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- 66

Q- A middle-aged woman presents with trouble vision, amenorrhea and galactorrhea for 4 months. Examination reveals bitemporal hemianopsia. Which of the following tests is most likely beneficial to reach the correct diagnosis? A- Serum glucose B- Serum growth hormone C- Serum prolactin D- Serum TSH C- Serum prolactin- This case is most likely pituitary adenoma. … 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- 64

Q- Which one of the following types of protein is the most likely deficient in a case of Duchene muscular dystrophy? A- Actin B- Dystrophin C- Troponin D- Titin Q- Which one of the following locations is the most common site for carcinoid tumors? A- Appendix B- Esophagus C- Colon D- Small intestine E- Stomach … Read more

Repeated USMLE Questions Step 1- Review- 62

Q- A patient complains of loss of vision of the right half of the left eye and the left half of the right eye. Color vision and intraocular pressure are normal. Which of the following is the most likely diagnosis? A- Calcification of the internal carotid artery B- Optic neuritis C- Pituitary macroadenoma D-Retrobulbar neuritis … Read more