MRCS Pharmacology EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) Which receptors does dobutamine target? - Correct Answers ✅Beta 1 Which receptors does adrenaline target? - Correct Answers ✅Alpha 1 and 2, beta 1 and 2 Which receptor does noradrenaline target? - Correct Answers ✅Alpha 1 Which receptor does dopamine target? - Correct Answers ✅D 1 and 2. D1 causes renal and spleen vasodilation and d2 inhibits release of noradrenaline How does rifampicin work? - Correct Answers ✅Inhibits rna synthesis Which antibiotics inhibit dna synthesis? - Correct Answers ✅Quinolones Metronidazole Sulphonamides Trimethoprim How does ciprofloxacin work? - Correct Answers ✅Inhibits dna synthesis 1 / 2
MRCS Pharmacology EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) Which antibiotics inhibit protein synthesis? - Correct Answers ✅Aminoglycosides Chloramphenicol Macrolides Tetracyclines Which anticoagulant causes hyperkalemia? - Correct Answers ✅Heparin How do bisohosphonates work? - Correct Answers ✅Directly inhibit osteoclasts. Also cause inhibition of calcium phosphate crystals in the bone from breaking down What is the difference between morphine and pethidine? - Correct Answers ✅Pethidine is structurally different. Has 10% the potency of morphine.What is the toxic metabolite in pethidine? - Correct Answers ✅Norpethidine - cleared by the kidney but accumulates in renal failure. Can result in muscle twitching and convulsions How is morphine excreted? - Correct Answers ✅renal excretion
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