MCQs PAGE - 01
❂ The drug entacapone acts on the ___________________ enzyme. 1) Monoamine oxidase (MAO-B) 2) Dopamine hydroxylase 3) DDC (dopamine decarboxylase) 4) COMT(catechol ortho-methyl transferase) ❂  Which drug is responsible for producing neutropenia and agranulocytosis? 1) Thioureylenes 2) Levothythyroxine 3) Liothyronine 4) Radioiodine ❂  Which drug inhibits thymidine kinase enzyme? 1) Saquinavir 2) Sildenafil 3) Aciclovir 4) Captopril ❂  Which substance is a dopamine (D2) receptor agonist? 1) Ethinylestradil 2) Bromocriptine 3) Isoprenaline 4) Vareniciline ❂  Which drug is responsible for blocking the renal tubule Na+ channel? 1) Amiloride 2) Tetrodotoxin 3) Local anaesthetics 4) Divalent cations(cd+2) ❂  Which drug is an estrogen receptor antagonist? 1) Chlorpromazine 2) Propranolol 3) Tamoxifen 4) Naloxone ❂  Picrotoxin act on the_______________________________. 1) ATP-sensitive K+ channels 2) GABA gated Cl- channels 3) Voltage gated Cl- channels 4) Renal tubule Na+ c...