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Repeated USMLE Questions Step 1- Review- 70

Q- A patient presents with end-stage chronic renal disease. Which of the following substances is most likely increased in blood value in this patient? A- Calcium B- Erythropoietin C- Hematocrit D- Phosphate   Q- Calcitonin acts on which one of the following cell types to decrease serum calcium and bone resorbing activity? A- Osteoblast B- … Read more

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- 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