Free Questions and Answers for All Medical Students all over the World
Q- A 26-year-old woman at 34 weeks’ gestation presents with severe headache, visual disturbances, and right upper quadrant pain. Blood pressure is 170/110 mmHg. Labs show platelets 85,000/mm³ and elevated AST/ALT. Fetal monitoring is reassuring. What is the most appropriate next step in management? A- Administer IV labetalol and observe B- Administer magnesium sulfate and … Read more
Q- A patient with heart failure is started on sacubitril/valsartan. What is the primary pharmacologic action of sacubitril? A- Angiotensin II receptor blockade B- Inhibition of neprilysin C- Inhibition of renin release D- Stimulation of natriuretic peptide receptors Q- A patient taking linezolid develops thrombocytopenia after prolonged therapy. What is the underlying mechanism? A- … Read more
Q- A 45-year-old woman presents with episodic headaches, sweating, and palpitations. Imaging reveals an adrenal medullary tumor. Which histologic pattern is most characteristic of this tumor? A- Keratin pearls B- Psammoma bodies C- Sheets of small blue cells D- Zellballen pattern Q- A 63-year-old man with long-standing diabetes presents with progressive renal failure. Renal … Read more
Q- A 64-year-old man presents to the emergency department with severe epigastric pain radiating to the back. He is febrile and tachycardic. Labs show lipase 1,800 U/L. RUQ ultrasound shows gallstones. Despite IV fluids and pain control, he develops hypotension and worsening hypoxemia over the next 12 hours. What is the best next step in … Read more
Q- A patient taking warfarin is given vitamin K. What is the primary effect of vitamin K administration? A- Decreases synthesis of clotting factors II, VII, IX, X B- Increases synthesis of clotting factors II, VII, IX, X C- Inhibits platelet aggregation D- Prevents fibrin degradation Q- A patient taking spironolactone develops breast enlargement … Read more
Q- A 2-year-old child has recurrent infections with catalase-positive organisms. Neutrophils show absent oxidative burst on flow cytometry. Which enzyme is defective? A- Adenosine deaminase B- Glucose-6-phosphate dehydrogenase C- NADPH oxidase D- Myeloperoxidase Q- A patient has difficulty rising from a chair and climbing stairs. Biopsy shows endomysial inflammation and CD8+ T-cell infiltration. Which … Read more