Practice Pharmacology questions with answers and explanations.
Choose an option to check your answer.
Proton-pump inhibitor is a drug that irreversibly suppresses the gastric hydrogen-potassium ATPase.
Choose an option to check your answer.
Naloxone is a competitive opioid receptor antagonist used to reverse opioid toxicity.
Choose an option to check your answer.
Naloxone is a competitive opioid receptor antagonist used to reverse opioid toxicity.
Choose an option to check your answer.
Atropine is a muscarinic receptor antagonist that can increase heart rate and reduce secretions.
Choose an option to check your answer.
Warfarin is an oral anticoagulant that inhibits vitamin-K dependent clotting factor synthesis.
Choose an option to check your answer.
Insulin is a peptide hormone drug used to lower blood glucose and treat insulin deficiency.
Choose an option to check your answer.
Aminoglycoside is an antibiotic class associated with nephrotoxicity and ototoxicity.
Choose an option to check your answer.
Adverse drug reaction is a harmful and unintended response to a medicine used at normal doses.
Choose an option to check your answer.
Agonist is a ligand that binds to a receptor and activates it to produce a biological response.
Choose an option to check your answer.
First-pass metabolism is presystemic metabolism that reduces oral bioavailability before a drug reaches systemic circulation.
Choose an option to check your answer.
Half-life is the time required for the plasma concentration of a drug to fall by one half.
Choose an option to check your answer.
Therapeutic index is a measure comparing toxic and effective doses and indicating a drug safety margin.
