Free Antimicrobial Agents MCQs with Answers
144 Antimicrobial Agents MCQs from Pharmacology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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- A. Staining of teeth
- B. Aplastic anaemia
- C. Bone marrow suppression
- D. B & C
Explanation: Chloramphenicol inhibits mitochondrial protein synthesis in haemopoietic cells, causing dose-related bone-marrow suppression and, rarely…
Correct answer: B & C- A. More reliable oral obsorption
- B. Greater resistance to pencillinase
- C. Slower renal excretion
- D. Broader antibacterial spectrum
Explanation: Penicillin V is more acid-stable than penicillin G, so it survives gastric acid and gives more reliable absorption after oral…
Correct answer: More reliable oral obsorption- A. Chloramphenicol
- B. Gentamicin
- C. Sulphadiazine
- D. Tetracycline
Explanation: Gentamicin is primarily bactericidal because it irreversibly disrupts bacterial protein synthesis and causes misreading of mRNA.
Correct answer: Gentamicin- A. Anaphylactic shock
- B. Diarrhoea
- C. Oral candidiasis
- D. Renal failure
Explanation: Diarrhoea is the commonest adverse effect of oral ampicillin, caused by disturbance of normal intestinal flora and direct gastrointestinal…
Correct answer: Diarrhoea