NBME Form 29 Practice Test

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• A mildly obese woman experiences chest pain and cough after laundry. What arteries provide collateral flow to a compromised lung segment?
• Which test is commonly used to confirm the diagnosis of renal artery stenosis?
• Which lymphocyte marker is commonly absent in follicular lymphoma?
• In a patient with chronic renal failure and type 2 diabetes, which laboratory finding is most likely to increase?
• A 55-year-old woman has cough productive of blood-tinged sputum and a chest X-ray shows a mass. What type of lung neoplasm is most likely indicated?
• A 79-year-old woman has a monoclonal IgG spike in serum protein electrophoresis without signs of multiple myeloma. What is the most likely explanation for this finding?
• A patient receives rituximab for rheumatoid arthritis and experiences fever and muscle pain shortly after infusion. What is the most likely cause of her symptoms?
• What condition is indicated by a leukocyte count of 90,000/mm3 in synovial fluid with primarily neutrophils?
• In a clinical trial assessing a new treatment for depression, what is the treatment being compared against?
• What is the most likely effect on peptide secretion when fatty acids are infused into the proximal small intestine of an animal?
• Which factor is most likely responsible for the exacerbation of acne vulgaris in a patient wearing a helmet while working?
• In septic shock, which of the following receptors should be stimulated to increase systemic vascular resistance?
• What is the most likely cause of thrombocytopenia in a patient with recent viral illness and easy bruising?
• A 79-year-old woman with a hip fracture presents with a shortened left lower extremity. Which muscle is primarily responsible for lateral rotation of the thigh?
• A patient's blood pressure is significantly low due to hypovolemia. What mechanism primarily acts to compensate for this condition?
• What condition is characterized by confusion, drowsiness, and asterixis due to a buildup of ammonia in a patient with liver dysfunction?
• Which cut point on an ROC curve should be prioritized for screening a fatal disease that requires early detection?
• Which cranial nerve's afferent limb is most likely blocked when anesthetizing the pharynx to prevent a gag reflex during bronchoscopy?
• What is the term for the obstruction of the bladder due to advanced cervical cancer leading to upper urinary tract dilation?
• For a 3-month-old boy with diarrhea and no increase in serum glucose after oral glucose, what deficiency is likely present?
• A patient presents with blisters and direct immunofluorescence shows IgG at the dermal-epidermal junction. What is the function of the target structure?
• A 27-year-old man presents with weakness and absent reflexes after a viral infection. What is the most likely cause of his symptoms?
• In a case of β-thalassemia major, which imbalance primarily causes anemia?
• What enzyme deficiency is most closely associated with the symptoms of Lesch-Nyhan syndrome?
• Which condition is indicated by a significant rise in alkaline phosphatase compared to AST and ALT in a patient taking oral contraceptives?
• In which situation is referral to a psychologist considered appropriate for a non-compliant diabetic patient?
• What is the likely cause of agrade 4/6 crescendo systolic murmur heard and radiating to the carotids?
• Which congenital anomaly is associated with an abnormal positioning of the cecum?
• What characterizes a holosystolic murmur best heard in the left lower sternal border?
• In a study evaluating the effects of compression stockings on chronic venous insufficiency, what type of study design is being employed?
• What genetic deficiency is most likely implicated in patients with recurrent infections involving Neisseria species?
• A 7-year-old boy with double vision and imbalance is most likely suffering from which condition?
• What condition in a 76-year-old with dementia is suggested by weight loss, muscle wasting, and anemia?
• Which method is crucial for preventing the spread of methicillin-resistant Staphylococcus aureus (MRSA) in healthcare settings?
• Which of the following conditions is associated with significant metabolic alkalosis after volume contraction due to loop diuretics?
• Which anatomical pathway describes how a throat infection can spread to the middle ear during otitis media?
• A 49-year-old man presents with dehydration, hypokalemia, and watery diarrhea. Which hormone would most likely control his condition?
• A 68-year-old man presents with dysphagia due to enlargement of which structure is the most likely cause of his swallowing difficulty?
• A patient presents with symptoms of scleroderma. What is the primary underlying pathological process in this autoimmune disorder?
• A 30-year-old woman with recurrent retrosternal burning is likely suffering from which condition?
• A patient with major depressive disorder develops urinary retention and constipation. What neurotransmitter blockade is most likely responsible for these effects?
• In patients with polyposis, what is the primary risk related to the observed colonic malignancies over time?
• In terms of energy yield during aerobic catabolism, which type of compound yields the greatest amount of ATP?
• What type of infection is least likely to cause a rapid pulmonary injury following a burn injury?
• Which marker is typically expressed in high levels in diffuse large B-cell lymphoma?
• In patients with hyperthyroidism due to Graves' disease, which would be an expected laboratory finding?
• Which laboratory finding would confirm the diagnosis of slipped capital femoral epiphysis (SCFE)?
• When a patient with migraines expresses fear of serious conditions, what is the most appropriate initial response by the physician?
• Infusion reactions associated with rituximab are primarily related to which immune response component?
• Which diagnosis is likely for a 15-year-old boy with a lytic skull lesion based on histological findings?
• An 18-year-old man with hypovolemic shock receives saline infusion. What is the expected effect on cardiac output following this infusion?
• What typical physical examination finding would you expect in a patient with fragile X syndrome?
• Which curves indicate the highest cooperative binding between a hormone and its receptor?
• What is the most likely diagnosis for a 55-year-old man with a firm cervical lymph node showing a specific immunophenotype?
• In a patient with anemia, which deficiency is most likely responsible for the findings if they have a history of alcohol use?
• What type of lung cancer is characterized by cavitary lesions and is often located centrally?
• What condition is most likely indicated by multiple erythematous lesions on a man's skin associated with low platelet counts?
• A patient in septic shock shows signs of cortical necrosis in the kidneys. Which nephron structure is most likely to be affected?
• A 3-year-old girl presents with a loud holosystolic murmur and a palpable thrill. What is the most likely defect?
• Which mediator, when upregulated, would likely prevent lung injury in an experimental model of acute respiratory distress syndrome?
• Doxorubicin's cardiotoxicity primarily results from which mechanism?
• In a patient presenting with hyperthyroidism and an enlarged thyroid gland, the condition is most likely due to antibodies against which receptor?
• Administration of which drug is likely to block the release of the influenza virus from infected epithelial cells?
• When establishing a herpes simplex virus infection, which neuronal process is primarily involved in transporting the virus to sensory ganglia?
• What is the most likely diagnosis for a woman with a pruritic rash characterized by a herald patch followed by smaller macules, often resolving within 6 to 8 weeks?
• A 28-year-old woman describes distress over her husband's indifference and social disinterest. Which personality disorder might he have?
• A young man presents with a painless ulcer followed by a maculopapular rash. What is the likely treatment for his condition?
• A 30-year-old man shows increased contractility in the gastrointestinal tract. What neurotransmitter is most likely responsible for this response?
• What is the likely cause of severe abdominal pain, irregular pulse, and signs of intestinal distension in an emergency department patient?
• What is the primary mechanism through which dihydropyridine calcium-channel blockers reduce blood pressure?
• In a patient with poorly controlled hypertension and symptoms indicative of purging catecholamines, which structure is the most likely source of dysfunction?
• In a patient experiencing involuntary movements due to basal ganglia damage, what condition is most likely being referenced?
• For an elderly patient with a history of tuberculosis and calcified aortic valve, what is the best explanation for the clinical findings?
• In which condition would you expect epigastric pain that radiates to the back, especially in a patient with a history of gallstones?
• A 40-year-old man with type 2 diabetes is switched to pioglitazone. What is the primary mechanism of action of this drug?
• Where does the ureter narrow just above the sacroiliac joint, making it a common site for kidney stones to obstruct?
• A 24-year-old man experiences seasonal allergic rhinitis. Which type of drug is effective for short-term relief of his symptoms?
• Which immunophenotype is consistent with follicular lymphoma?
• Which of the following statements about folate is true?
• During which physiological condition does increased intestinal absorption of calcium primarily occur?
• Which pathological condition is characterized by cutaneous spider angiomata, jaundice, and ascites due to liver disease?
• A full-term newborn with respiratory distress and imaging showing herniation of abdominal contents into the pleural cavity is most likely due to maldevelopment of which structure?
• In the context of synaptic transmission, which neurotransmitter is primarily released at the neuromuscular junction?
• Which first-line treatment is indicated for ADHD in children over six years old?
• What best describes the pain in a patient with diabetic neuropathy?
• A 28-year-old man develops an abscess after a splinter injury on his finger. What adhesion molecule is primarily involved in the inflammation process?
• What is a common histologic finding in cytomegalovirus pneumonia?
• What characterizes the pain with urination experienced by the patient with acute pyelonephritis?
• In a study of facial nerve regeneration, which best explains why optic nerves do not regenerate?
• A 28-year-old man presents with fatigue and pulmonary symptoms. He has a history of exposure to potential environmental toxins. Which disease should be suspected based on symptoms and exposure?
• A 49-year-old man with diarrhea has fluid loss. What therapy can counteract the effects of vasoactive intestinal peptide?
• What laboratory finding typically supports the diagnosis of septic arthritis in a joint?
• If a value of serum creatinine is mistakenly recorded, which measures of central tendency will be affected?
• What genetic mechanism explains the absence of albinism in children of two affected parents?
• What is the typical orientation of follicular lymphoma in relation to the immunological structure?
• A patient has a spinal biopsy done for evaluation of vertebral fractures. What finding is characteristic of osteoporosis?
• Which key feature would most clearly indicate a diagnosis of Parkinson’s disease in a patient?
• A 2-month-old male infant exhibits jaundice and pale stools. Which vitamin deficiency is most likely?
• What condition is defined by painful abdominal symptoms and elevated pancreatic enzymes?
• What phenomenon explains the presence of both 45,X and 46,XX karyotypes in a patient with Turner syndrome?
• What is the most common clinical presentation of acute pyelonephritis?
• What underlying condition is commonly associated with the development of renal cysts in young adults?
• What is the mechanism of action of neostigmine in the management of muscle paralysis?
• What condition does tamoxifen primarily treat due to its effects on estrogen receptors?
• What enzyme deficiency is most likely responsible for the symptoms of a 6-year-old boy with leg stiffness and dystonia, shown by decreased homovanillic acid in cerebrospinal fluid?
• In terms of antihypertensive therapy, diuretics predominantly decrease:
• What might a red smooth tongue indicate in an elderly patient?
• Which factor is primarily responsible for the enhancement of renal blood flow in renal artery stenosis-related hypertension?
• What condition is characterized by tenesmus, mucoid bloody diarrhea, and cramping abdominal pain?
• What class of medication is typically indicated for the treatment of vulvovaginitis due to a Candida infection?
• A 45-year-old man with type 1 diabetes presents with edema and high blood pressure. What is the likely cause of his left testicular swelling?
• What is a common mechanism employed by bile acid resins like cholestyramine in reducing cholesterol levels?
• Which statistical method would best compare the average number of days until lesions resolve between two treatment groups?
• What factor significantly increases the likelihood of an ectopic pregnancy in a patient with abdominal pain and vaginal bleeding?
• Which neurotransmitter pathway is activated by drugs such as cocaine and amphetamines, contributing to their rewarding effects?
• What is a common side effect of calcium-channel blockers when used for hypertension?
• A 3-month-old boy has a hernia that increases in size when he cries. Which best describes the position of the hernia sac?
• What is the likely cause of acute respiratory distress syndrome (ARDS) in a patient with severe burns?
• In a brain biopsy showing intermediate filaments of the cytokeratin type, from which cell type did the tumor most likely originate?
• A 20-year-old with a long face and large testes has expanded CGG repeats in the FMR1 gene. What is the most likely effect of these repeats on FMR1 mRNA transcription?
• In a patient with macrocytic anemia, which vitamin deficiency might be present?
• A 72-year-old woman with a systolic ejection murmur most likely suggests which condition?
• In dehydration, which mechanism is likely engaged to maintain water homeostasis in the kidneys?
• A 73-year-old woman has multiple vertebral compression fractures. If a bone biopsy is performed, what is the most likely finding?
• What is the underlying pathology of the patient's symptoms in acute inflammatory demyelinating polyradiculopathy?
• In opioid intoxication, which finding is typically expected in a patient’s vitals?
• A patient presents with intermittent light brown urine and hematuria associated with upper respiratory infections. What immunoglobulin would likely be found in a renal biopsy?
• What does the presence of keratin positive cells in a lymph node biopsy suggest regarding the patient's diagnosis?
• What laboratory findings typically suggest anemia of chronic disease in a patient with systemic lupus erythematosus?
• What type of hernia is likely in a child with a bulge that appears with crying?
• Which area of the kidney is most susceptible to anoxic injury during oxygen deprivation?
• In the case of a myocardial infarction affecting a patient with left dominant coronary circulation, which artery must be navigated to reach the narrowed vessel?
• Which method of measuring serum sodium concentration is more precise based on coefficients of variation?
• What type of murmur is typically associated with aortic stenosis?
• What is the most likely diagnosis for a 12-year-old boy with edema, hypoalbuminemia, and proteinuria?
• A patient with contralateral hemiballismus is most likely to have a lesion in which area of the brain?
• A 3-month-old girl shows coarse facial features and increased serum activity of lysosomal enzymes. What biochemical pathway is most likely affected?
• Which factor is most effective in preventing the development of decubitus ulcers in patients with limited mobility?
• A 52-year-old woman with recurrent UTIs has a high urine pH. Which organism is most likely responsible for her condition?
• The patient presents with renal cysts and a family history of hypertension and renal calculi. Which protein is likely mutated?
• What condition is characterized by pulmonary edema, high blood pressure, and peripheral cyanosis in a patient presenting with congestive heart failure?
• An 82-year-old woman with perforated diverticulitis has fibrin deposition on her liver. What is this material primarily composed of?
• What is the expected treatment approach for a patient with acute gastric volvulus?
• Which complication can arise from overly rapid correction of sodium levels in a patient?
• What is the primary risk factor associated with the development of supplies in patients with Turner syndrome?
• How can the presence of hyaline membranes in lung biopsies assist with the diagnosis of ARDS?
• Which of the following is the initial step a physician should take for a non-compliant adolescent diabetic patient?
• What is the most likely diagnosis for a patient with a bloody nasal discharge and a biopsy showing neoplastic cells positive for keratin and Epstein-Barr nuclear antigen?
• In an experiment on nerve regeneration, which axons are least likely to regenerate after injury?
• A 35-year-old man enjoys sailing and is at increased risk for melanoma, particularly in which location?
• What underlying pathology leads to an increased incidence of ectopic pregnancy?
• What condition is characterized by dysfunction of peroxisome proliferator-activated receptors?
• During a clinical trial, how should participants who did not adhere to the protocol be treated in an intention-to-treat analysis?
• What is the main underlying issue in β-thalassemia that leads to ineffective erythropoiesis?
• Which bleeding disorder is characterized by decreased platelet function primarily due to a deficiency of a specific factor?
• A 72-year-old woman with muscle pain and weakness is likely suffering from which condition?
• In acute respiratory distress syndrome, the notation of “increased work of breathing” implies which physiological concept?
• Which of the following diseases is characterized by a monoclonal spike of immunoglobulin without signs of more severe diseases?
• In a newborn presenting with vomiting and convulsions shortly after delivery, which organism is most commonly responsible?
• A previously healthy elderly man shows signs of weakness and fatigue. What is the most likely cause if laboratory findings indicate microcytic anemia?
• Which physiological factor determines the maximum rate of shortening in skeletal muscle during isotonic contraction?
• What percentage of cells in the lymph node biopsy showed CD3 expression associated with normal T lymphocytes?
• What type of pneumonia is commonly seen in immunocompromised patients following bone marrow transplantation?
• Which amino acid is targeted by diisopropyl fluorophosphate in the inhibition of acetylcholinesterase?
• During surgical repair of an abdominal aortic aneurysm, which artery maintains adequate blood supply to the left testis if the left testicular artery is ligated?
• Natural killer (NK) cells are particularly effective against malignant tumors that have:
• What is the most common presentation of slipped capital femoral epiphysis (SCFE)?
• In an experimental model of thermal injury, what effect would administering an antihistamine prior to injury have on dye extravasation?
• A young patient is affected by a central nervous system infection. Which neurotransmitter is responsible for increasing gastrointestinal motility and potentially related findings?
• Which histological feature is commonly observed in Langerhans cell histiocytosis?
• In response to a positive PPD skin test, which cell type predominates in the lesion analysis?
• What is the main mechanism of action of tamoxifen in treating breast cancer?
• A patient with rectal cancer is likely to experience complications predominantly in which organ due to its metastatic potential?
• What should a physician's initial response be to a patient who expresses concern about care?
• Which structure is primarily involved in receptor-mediated endocytosis, particularly in the uptake of LDL by hepatocytes?
• In a case of a 14-year-old girl with hair loss and underlying normal skin, what condition is indicated?
• Which immunoglobulin domains are altered by isotype switching?
• What infection can be prevented by avoiding consumption of delicatessen meats during pregnancy?
• In patients with congestive heart failure, which function is most likely altered?
• What hypersensitivity type is responsible for the immune-mediated damage seen in systemic lupus erythematosus?
• A 12-year-old boy with severe deafness has a long QT interval on ECG. What is the likely genetic mutation in this patient?
• An 18-month-old girl with macrosomia exhibits a genetic abnormality at KCNQ10T1. What genetic mechanism is likely responsible for her condition?
• In follicular lymphoma, what does the presence of kappa light chains indicate?
• A male newborn presents with severe hypotonia and his mother shows little emotional expression. What genetic phenomenon most likely explains their conditions?
• A 28-year-old woman presents with heavy menstrual bleeding and a family history of prolonged bleeding. What is the most likely cause of her bleeding disorder?
• What type of treatment may be deferred in cases of follicular lymphoma?
• What is the most likely cause of hypercalcemia in a patient with multiple myeloma showing Bence Jones proteins?
• A urinary tract infection in a man with BPH is most likely caused by which gram-positive organism?
• What physiological change causes the extravascular accumulation of fluid after a bee sting?
• In a child with X-linked severe combined immunodeficiency who develops T-lymphocyte leukemia after gene therapy, what viral process likely caused the leukemia?
• In a patient with fever and malaise, which physical finding best indicates pneumonia?
• What is an incorrect characteristic associated with nodal marginal zone lymphoma?
• Which treatment is most appropriate following the diagnosis of neuroleptic malignant syndrome?
• What is the most likely developmental anomaly in a patient with abdominal pain and distention on x-ray suggesting obstruction?
• A 1-year-old girl presents with skin blisters and freckling. What DNA repair mechanism is most likely defective in her condition?
• A woman experiences vaginal dryness following childbirth. What hormone deficiency is most likely responsible?
• A 41-year-old woman is diagnosed with severe hypertension and shows an elevated right renal vein renin activity. What is the most likely source of the vasoconstrictor contributing to her hypertension?
• What effect does an allosteric modifier have on an enzyme's Km based on enzyme kinetic principles?
• Which condition is characterized by dependent edema and proteinuria in children?
• What condition typically results in hypochromic microcytic erythrocytes in a blood smear?
• What is the most likely site of damage in a patient with fluent but nonsensical speech and inability to comprehend language after a stroke?
• Which enzyme deficiency is most likely in a newborn with ambiguous external genitalia and electrolyte imbalances?
• A newborn presents with lethargy and urine with a burnt-sugar odor. What is the most likely enzyme deficiency?
• A 69-year-old man cannot take aspirin due to bronchospasm. What class of drug is most likely prescribed to inhibit platelet function?
• What does the presence of contrast in the peritoneal cavity during a hysterosalpingogram indicate?
• Which cytokine is primarily released in toxic shock syndrome caused by Streptococcus pyogenes?
• Which symptom is primarily associated with the beginning phase of gastric volvulus?
• What mechanism explains the ineffectiveness of tetracycline when taken with calcium-containing products?
• A 44-year-old woman diagnosed with breast cancer seeks advice from her physician. What is the most appropriate initial response?
• In a child with hydrocephalus and developmental delays, which division of the neural tube is likely affected during development?
• What is the likely diagnosis for a patient receiving haloperidol who develops fever, muscle rigidity, and elevated creatine kinase levels?
• How is the excess risk from heavy smoking calculated when considering lung cancer deaths?
• A 32-year-old man sustains a head injury and later shows increased thirst and confusion. What condition is most likely affecting the nephron?
• A 70-year-old woman presents with weight loss and a rectal mass. What organ is she at greatest risk for complications from her suspected malignancy?
• What is the most likely diagnosis for a patient experiencing severe, unilateral headaches accompanied by nasal congestion and tearing?
• What key symptom is associated with IgA nephropathy following respiratory infections?
• Which of the following mechanisms is most likely responsible for pain experienced in diabetic neuropathy?
• What initial response from the physician is most appropriate when a mother expresses concern about her son's bizarre behavior and possible psychosis?
• Which structure does the renal calculus commonly obstruct as it passes through the ureter?
• After a clinical trial for a new medication, relative risks for disability and mortality were observed. What can be concluded about the effects of the active drug compared to placebo?
• Which compound, when conjugated to polysaccharides in a vaccine, is likely to enhance antibody response?
• In a patient with orthostatic hypotension, how does the body's compensatory response generally manifest?
• Which pulmonary finding is most likely in a patient presenting with a left-sided pneumothorax?
• Which of the following mechanisms is primarily disrupted in X-linked agammaglobulinemia?
• What is the primary mechanism for the formation of eosinophilic hyaline membranes in ARDS?
• What percentage of malignant cells typically express CD10 in follicular lymphoma?
• What is the most likely explanation for this child's short stature considering his family history and growth patterns?
• What is the primary reason for the ineffectiveness of tetracycline in a patient who takes it with milk?
• What hormonal secretion from small cell lung carcinoma could cause muscle weakness and hypertension?
• A patient has spider angiomata and liver dysfunction. Which clinical finding is likely to accompany elevated portal vein pressure?
• In a patient with a history of angina pectoris experiencing worsening chest pain, what will the administration of a monoclonal antibody against platelet IIb/IIIa receptors prevent?
• A patient treated with a loop diuretic is monitored for acid-base/volume status. What findings are expected after treatment?
• What is the primary neurotransmitter involved in autonomic regulation during obstructive sleep apnea?
• In a patient with clear, yellowish synovial fluid and a leukocyte count of 250/mm3, what is the most likely condition?
• Increased serum phenylalanine concentration in a newborn is primarily a result of a defect in which metabolic process?
• What type of study is conducted when patients are assigned to a treatment group and a placebo group to assess the efficacy of an intervention?
• A 25-year-old man has been fasting in the desert for a week. Which liver enzyme is most likely upregulated during this time?
• Which of the following findings is consistent with a diagnosis of acute cholecystitis?
• An antibody inactivating inhibin in female animals would most likely lead to what change in hormone levels?
• Which hormone is known to decrease the synthesis of prostaglandins and leukotrienes?
• What likely caused metabolic acidosis in a patient with congestive heart failure presenting with hypotension and elevated creatinine?
• What most accurately describes the mechanism of action for tubocurarine in respiratory function?
• Which region of the brain is most likely the site of a mass in a patient with galactorrhea and bitemporal hemianopsia?
• What is the most likely diagnosis for a young woman with irregular menstrual periods and facial hirsutism?
• What is the primary action of stimulant medications in the treatment of ADHD?
• Which intervention is primarily used to prevent further uptake of ammonia in patients with hepatic encephalopathy?
• A 15-year-old with asthma has symptoms after taking a drug. Which enzyme does this drug likely inhibit?
• A healthy 30-year-old woman is on a commercial airliner with a cabin barometric pressure of 565 mm Hg. Using the alveolar gas equation, what is the inspiratory partial pressure of alveolar oxygen in mm Hg?
• What is a common characteristic of follicular lymphoma concerning disease progression?
• In a case of postrenal azotemia due to cervical cancer, which anatomic location is most likely the source of obstruction?
• A 54-year-old woman has severe back pain and elevated serum calcium. What is the least likely mechanism for her hypercalcemia?
• A 16-year-old girl has taken an overdose of acetaminophen. Which mechanism leads to hepatic toxicity?
• What diagnosis is suggested by flow cytometry showing a large population of T lymphocytes and a relative absence of IgM in a child with recurrent infections?
• Which condition presents with polydipsia, polyuria, and an inability to concentrate urine in the presence of elevated serum osmolality?
• What is the typical urinary finding in nephrogenic diabetes insipidus related to lithium use?
• A newborn presents with microcephaly, cataracts, and chorioretinitis. The mother had a mild illness with rash during the first trimester. What is the most likely causative virus?
• Which of the following factors would warrant treatment for follicular lymphoma?
• A 26-year-old woman with a metastatic tumor shows high levels of desmin in biopsy. Where likely did this tumor originate?
• What indicates the primary mechanism of action for thiazide diuretics in treating hypertension?
• Which characteristic is NOT typical of follicular lymphoma?
• In a cluster headache, which associated symptoms are commonly observed?
• Fluoxetine primarily affects neurons originating in which brain structure involved in serotonin production?
• In a case of chronic iron deficiency, what is the most likely laboratory finding?
• A 10-year-old boy with immobilization shows signs of muscle atrophy. What change in capillarity is expected in the immobilized muscle?
• If a cancer patient survives for 3 years, what is the best representation of the probability of survival into the 4th year based on prior survival rates?
• What is a common consequence of untreated congenital heart disease seen on chest X-ray findings?
• What characteristic finding would most likely be noted on a CT scan in a patient with acute mesenteric ischemia?
• A 73-year-old man has daytime sleepiness and hypertension. What effect will continuous positive airway pressure treatment have?
• A patient has an injured finger and cannot flex the distal phalanx. Which tendon is most likely affected?
• What factor is primarily responsible for the production of ketone bodies in patients with prolonged starvation or untreated type 1 diabetes mellitus?
• In which type of leukemia is a predominance of myeloblasts often seen?
• What is the likely outcome when the fallopian tube is functioning normally during a hysterosalpingogram?
• A young boy shows signs of sadness after the death of his sister but has only minor performance issues at school. What best describes his condition?
• In a study of patients with colonic polyposis, three developed malignancies compared to one in controls. What limits concluding a causal relationship?
• How does diffuse large B-cell lymphoma typically present compared to follicular lymphoma?
• Which condition is characterized by the progressive loss of intellectual function across multiple domains?
• Following a coronary artery bypass grafting, what cell type prompts cortisol secretion in response to stress?
• A 24-year-old woman experiences nervousness, tremor, and weight loss post-delivery. Her thyroid function tests suggest what condition?
• In which condition is an infant not producing enough bile, leading to pale stool and jaundice?
• Which complication is most commonly associated with a diagnosis of acute pancreatitis?
• What condition is marked by abnormal adrenal cortex hormone production due to anterior pituitary dysfunction?
• What symptom is characteristic of central diabetes insipidus secondary to head trauma?
• What characteristic of chondroitin sulfate contributes to its gel-like properties and volume increase in solution?
• In the context of muscle contractions, what is primarily responsible for the shortening of a sarcomere during contraction?
• During cast immobilization for a fracture, which physiological change is most expected in the immobilized muscle?
• What would most likely cause resistance to ritonavir/lopinavir in a patient with HIV?
• What is the approximate risk for the wife of a man whose family history includes cystinosis, an autosomal recessive disorder?
• What is a common complication of hydrochlorothiazide treatment that relates to blood pressure?
• Which of the following is true regarding monoamine oxidase inhibitors (MAOIs)?
• Which neurotransmitter's concentration is likely increased with the use of monoamine oxidase inhibitors?
• A 12-year-old girl presents with seizures and CT shows calcified nodules. What organism is likely responsible for her condition?
• Which clinical finding may suggest an acute exacerbation of respiratory illness associated with pneumonia?
• What is the primary physiological terms for contraction without a change in muscle length?
• Which vitamin is essential for the functioning of certain enzymes involved in amino acid metabolism?
• Occlusion of which artery is most likely to cause ST-segment elevation in leads II, III, and aVF in a patient with acute chest pain?
• Which pharmacological agent is a partial agonist used to assist in tobacco cessation?
• What is the initial mechanism of action for selective serotonin reuptake inhibitors in treating major depressive disorder?
• A woman expresses emotional distress about her husband's indifference to social interactions. What personality style is characteristic of her husband?
• A 55-year-old man with chronic alcohol use presents with right upper quadrant pain and liver abnormalities. Which vein is likely experiencing hypertension?
• What method is primarily used to manage gastroesophageal reflux disease (GERD)?
• A 20-year-old woman shows thick, white vaginal discharge and erythema. What is the appropriate treatment mechanism for her condition?