Repeated USMLE Questions Step 1 Review- 137- Pathology

Q- A 60-year-old woman presents with progressive jaundice and weight loss. Imaging shows a mass at the head of the pancreas. Which of the following is the most likely paraneoplastic finding? A- Cushing syndrome B- Hypercalcemia due to PTHrP secretion C- Hyponatremia due to SIADH D- Migratory thrombophlebitis (Trousseau syndrome)   Q- A 27-year-old man … Read more

Repeated USMLE Questions Step 1 Review- 136- Pharmacology

Q- Which of the following drugs is a reversible cholinesterase inhibitor used in the management of myasthenia gravis? A- Atropine B- Neostigmine C- Pralidoxime D- Succinylcholine   Q- A patient with atrial fibrillation is prescribed warfarin. Which of the following factors will increase the anticoagulant effect of warfarin? A- Vitamin K deficiency B- Rifampin therapy … Read more

Repeated USMLE Questions Step 2 CK- Review- 42

Q- A 35-year-old man presents with palpitations, sweating, and episodic headaches. Blood pressure is persistently high. Urinary catecholamines and metanephrines are elevated. Which of the following is the best initial management before surgery? A- ACE inhibitor B- Alpha-blocker C- Beta-blocker D- Calcium channel blocker   Q- A 23-year-old woman presents with fever, dysuria, and flank … Read more

Repeated USMLE Questions Step 1 Review- 135- Pathology

Q- A 62-year-old man with a history of chronic alcohol use presents with weight loss, epigastric pain, and jaundice. CT scan shows a mass in the head of pancreas. Which tumor marker is most useful for this diagnosis? A- Alpha-fetoprotein (AFP) B- Cancer antigen 19-9 (CA 19-9) C- Carcinoembryonic antigen (CEA) D- Prostate-specific antigen (PSA) … Read more

Repeated USMLE Questions Step 1 Review- 134- Pharmacology

Q- A 25-year-old man is treated with chloramphenicol for typhoid fever. He later develops pallor, fatigue, and pancytopenia. Which adverse effect best explains this presentation? A- Dose-dependent reversible anemia B- Folate deficiency C- Irreversible aplastic anemia D- Vitamin B12 deficiency   Q- A 60-year-old woman with hypertension is prescribed hydralazine. Which adverse effect is most … Read more

Repeated USMLE Questions Step 2 CK- Review- 41

Q- A 25-year-old woman presents with sudden-onset shortness of breath and pleuritic chest pain. She started oral contraceptive pills 3 months ago. On exam, she is tachycardic and has mild hypoxia. CT pulmonary angiography shows multiple filling defects. Which of the following is the best initial treatment? A- Aspirin B- Heparin infusion C- Thrombolysis D- … Read more