Pharmacology MCQs- 256

Q- Which of the following is the mechanism of action of cromolyn for asthmatic patients? A- Blocks adenosine receptors in bronchial smooth muscle B- Inhibits COX 2 C- Inhibits phosphodiesterase D- Prevents degradation of mast cells Q- Which of the following receptors are membrane receptors (not intracellular)? A- Receptors for steroids B- Receptors for thyroid … Read more

Repeated USMLE Questions Step 1- Review- 336

Q- Which one of the following drugs inhibits ribonucleotide reductase? A- 5-Fluorouracil B- Hydroxyurea C- Mycophenolate D- Ribavirin Q- Disease prevalence can be measured by which one of the following studies? A- Adoption study B- Case-control study C- Cohort study D- Cross-sectional study Q- Which one of the following stain is most likely relevant to … Read more

Pharmacology MCQs- 255

Q- Which of the following is the first-line treatment for anaphylactic shock? A- Adrenaline B- Diphenhydramine C- Dopamine D- Phenylephrine Q- Alendronate is effective in which one of the following conditions? A- Hypoparathyroidism B- Hyperthyroidism C- Osteoporosis D- Spinal cord lesions Q- Which of the following drugs is most effective in improving ascites? A- Digoxin … Read more

Repeated USMLE Questions Step 1- Review- 335

Q- Which of the following ligaments is most likely torn in a case of posterior dislocation of the hip? A- Iliofemoral ligament B- Ischiofemoral ligament C- Sacrotuberous ligament Q- Which one of the following tests can be used to distinguish between Folic acid and vitamin B12 deficiencies? A- Serum cystathionine level B- Serum homocysteine level … Read more

Pharmacology MCQs- 254

Q- Which one of the following glucocorticoids can cause sodium and water retention? A- Betamethasone B- Cortisol C- Dexamethasone D- Triamcinolone Q- Which one of the following drugs acts mainly by blocking the synthesis of leukotrienes? A -Cromolyn B- Ipratropium C- Montelukast D- Zileuton Q- Which of the following controls the secretion of thyrotropin? A- … Read more

Repeated USMLE Questions Step 1- Review- 334

Q- Which of the following is the correct statement about the difference between a strain and a sprain? A-  Strain affects ligaments, while a sprain affects muscles and tendons B-  Strain affects muscles or tendons, while a sprain affects ligaments C-  Strain affects muscles or ligaments, while a sprain affects tendons D-  Strain affects tendons … Read more