Free Questions and Answers for All Medical Students all over the World
Dr Ray Makar Q- A middle-aged male presents with an edematous circular skin lesion of black eschar. Which of the following bacteria is the most likely causative organism of this condition? A- Bacillus anthracis B- Pneumonitis aeruginosa C- Staphylococcus aureus D- Streptococcus viridans Q- During spermatogenesis, which type of cells enter meiosis 1 to form primary spermatocytes? … Read more
Q- Which one of the following medications stimulates muscarinic receptors in airways when inhaled? A- Bethanechol B- Carbachol C- Methacholine D- Pilocarpine Q- Which of the following characterizes syndrome of inappropriate antidiuretic hormone secretion? A- Euvolemic hyponatremia with continued Na excretion B- Hyperosmotic volume contraction C- Recommended treatment is desmopressin acetate and hydration D- … Read more
Q- Which one of the following medications act as bacteriostatic by inhibiting bacterial dihydrofolate reductase? A- Ciprofloxacin B- Dapsone C- Sulfamethoxazole D- Trimethoprim Q- Which of the following statements is true about innate immunity? A- Highly specific and refined over time B- Its main components are T cells, B cells and circulating antibodies C- … Read more
Q- What is the most effective treatment for gastroparesis in a diabetic patient? A- Gastric resection B- Metoclopramide C- Omeprazole D- Vagotomy Q- Decreased production of which type of collagen may result in osteogenesis imperfecta? A- Type I B- Type II C- Type III D- Type IV Q- Which of the following correctly describes pleiotropy? … Read more
Q- Acute decrease in response to a drug after initial or repeated intake is known as which of the following drug interactions? A- Additive B- Permissive C- Synergetic D- Tachyphylactic Q- Which one of the following correctly describes nicotinic ACh receptors? A- Enzyme-linked receptors B- G-protein–coupled receptors C- Ligand-gated Na+/K+ channels Q- Which of the … Read more
Q- Which one of the following features characterizes Crohn’s disease from ulcerative colitis? A- Bloody diarrhea B- Colectomy is curative C- Continuous disease beginning at the rectum and extending without skipped areas D- Perineal fissures and fistulas Q- Which of the following is the main site of action of HMG-CoA reductase inhibitors? A- Blood B- … Read more