Drug Classifications Flashcards
7 cards from real PTCE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Drug Classifications flashcards as text
Which drug class reduces platelet aggregation by irreversibly inhibiting the COX-1 enzyme?
Answer: Aspirin (salicylates)
Aspirin irreversibly acetylates and inhibits COX-1 in platelets, reducing thromboxane A2 production and platelet aggregation for the platelet's lifetime.
A drug ending in '-pril' most likely belongs to which antihypertensive class?
Answer: ACE inhibitors
The '-pril' suffix is a naming convention for ACE inhibitors (e.g., lisinopril, enalapril, ramipril).
Which class of medications is classified as Schedule IV controlled substances and used for anxiety disorders?
Answer: Benzodiazepines
Benzodiazepines (e.g., diazepam, alprazolam) are Schedule IV controlled substances used for anxiety, seizures, and muscle relaxation.
Which antibiotic class carries a black box warning for tendon rupture and is contraindicated in patients under 18?
Answer: Fluoroquinolones
Fluoroquinolones carry FDA black box warnings for tendinitis, tendon rupture, and peripheral neuropathy and are generally avoided in pediatric patients.
Digoxin, used for heart failure and atrial fibrillation, is classified as which type of drug?
Answer: Cardiac glycoside
Digoxin is a cardiac glycoside derived from the foxglove plant that inhibits Na+/K+ ATPase, increasing myocardial contractility and slowing AV conduction.
A drug with the suffix '-mab' is classified as which type of biologic medication?
Answer: Monoclonal antibody
The '-mab' suffix denotes monoclonal antibodies (e.g., adalimumab, trastuzumab, infliximab), a naming convention used by the WHO.
Which drug class is used in chemotherapy to interfere with microtubule function, preventing cell division?
Answer: Vinca alkaloids
Vinca alkaloids (vincristine, vinblastine) bind tubulin and inhibit microtubule polymerization, arresting cells in mitosis.