Repeated USMLE Questions Step 1- Review- 341

Q- Which one of the following parts of the cell is the site of steroid synthesis? A- Golgi apparatus B- Peroxisome C- Rough endoplasmic reticulum D- Smooth endoplasmic reticulum Q- Which of the following errors is considered if the researcher states that there is no difference when one exists? A- Type 1 error B- Type … Read more

Pharmacology MCQs- 260

Q- Which of the following groups of medications prolongs GABA activity in the brain? A- Alcohols B- Barbiturates C- Benzodiazepines D- Methamphetamines B- Barbiturates- Barbiturates prolong the duration of chloride channel opening at the GABA-A receptor, thereby prolonging GABA activity. Benzodiazepines increase the frequency, Q- Which of the following medications inhibits folic acid synthesis through … Read more

Repeated USMLE Questions Step 1- Review- 340

Q- Which of the following differentiates Dubin-Johnson syndrome from Rotor syndrome? A- Black pigmentation of the liver B- Conjugated hyperbilirubinemia C- Level of liver enzymes D- Mode of inheritance Q- At which of these vertebral levels does the trachea bifurcate? A- Seventh cervical B- First thoracic C- Fourth thoracic D- Sixth thoracic Q- Which one … Read more

Pharmacology MCQs- 259

Q- Which of the following characterizes the intravenous (IV) route of administration? A- Efficacy is affected by liver disorders B- Maximum bioavailability C- Rapidly excreted D- Undergo first pass metabolism Q- Which of the following medications reduces the effectiveness of oral contraceptives? A- Carbamazepine B- Ketoconazole C- Omeprazole D- Ritonavir Q- Which of the following … Read more

Repeated USMLE Questions Step 1- Review- 339

Q- Prophylaxis in HIV patients with TMP-SMX should be initiated at which of the following CD4 counts? A- Under 300 B- Under 200 C- Under 100 D- Under 50 Q- Which one of the following tests is diagnostic for acromegaly? A- Fasting blood glucose level B- Serum cortisol level C- Serum growth hormone level D- … Read more

Pharmacology MCQs- 258

Q- Ingestion of which of the following products may cause hypertensive crisis in patients taking MAO inhibitors? A- Carbohydrates such as starch B- Gluten-rich food C- Tyramine-rich food D- Vitamin D and calcium Q- Which of the following drugs is the initial therapy for Alzheimer’s disease? A- Carbachol B- Donepezil C- Methacholine D- Pilocarpine Q- … Read more