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Repeated USMLE Questions Step 1- Review- 69- Pharmacology

Q- Which one of the following medications is used as sleeping pills and is considered over-the-counter preparation? A- Fexofenadine B- Melatonin C- Temazepam D- Zolpidem Q- Hepatotoxicity due to overdose of acetaminophen is greatly increased in an alcoholic than in a non-alcoholic because of which one of the following? A- Acetaminophen inhibits ethanol metabolism B- … Read more

Repeated USMLE Questions Step 1- Review- 67- Pharmacology

Q- Ingestion of mushroom containing pilocarpine may cause which one of the following side effects? A- Bronchodilation B- Diarrhea C- Hypertension D- Tachycardia Q- In adrenergic synapses, increasing the concentration of norepinephrine leads to which one of the following? A- Activation of dopa decarboxylase B- Activation of presynaptic G coupled receptors C- Increased release of … Read more

Repeated USMLE Questions Step 1- Review- 65- Pharmacology

Q- Which one of the following antibiotics is effective against beta-lactamase-producing organisms and can penetrate the blood brain barrier (BBB)? A- Amoxicillin B- Cefazolin C- Imipenem D- Ticarcillin Q- Which one of the following is the mechanism of action of losartan to slow the progression of heart failure? A- ACE inhibitor B- Angiotensin receptor antagonist … Read more

Repeated USMLE Questions Step 1- Review- 63- Pharmacology

Q- Which one of the following medications is beneficial in osteoporosis and acts by inhibition of osteoclastic activity more than osteoblastic activity? A- Alendronate B- Calcitonin C- Calcium gluconate D- Vitamin D Q- In a patient diagnosed with carcinoid tumor, which of the following conditions is manifested due to high level of serotonin? A- Constipation … Read more

Repeated USMLE Questions Step 1- Review- 61- Pharmacology

Q- Which of the following is the mechanism of action of metoprolol in treating hypertension and arrhythmias? A- β1 -Selective adrenoreceptor agonist B- β1 -Selective adrenoreceptor antagonist C- Blocks Ca 2+ entry in vascular smooth muscle cells D- Reduces production of angiotensin II Q- Which of the following is the receptor site of action of … Read more

Repeated USMLE Questions Step 1- Review- 59- Pharmacology

Q- A 21-year-old woman presents to the clinic for contraception. She wants to take oral contraceptives but she has concerns about their interaction to other medications. Which one of the following drugs will raise the plasm levels of OCP and increases the risk of side effects? A-Carbamazepine B- Ciprofloxacin C- Phenytoin D- Rifampin Q- Which … Read more