Pharmacology for Technicians Flashcards
6 cards from real PTCB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Pharmacology for Technicians flashcards as text
What is the mechanism of action of NSAIDs?
Answer: Inhibit COX enzymes to reduce prostaglandin synthesis
NSAIDs work by inhibiting cyclooxygenase (COX-1 and COX-2) enzymes, reducing the production of prostaglandins that cause pain and inflammation.
Which drug is the antidote for acetaminophen overdose?
Answer: N-acetylcysteine
N-acetylcysteine (Mucomyst, Acetadote) is the antidote for acetaminophen toxicity, replenishing glutathione stores to prevent liver damage.
What is the antidote for opioid overdose?
Answer: Naloxone
Naloxone (Narcan) is an opioid receptor antagonist that rapidly reverses opioid-induced respiratory depression.
Which electrolyte imbalance is a common side effect of loop diuretics like furosemide?
Answer: Hypokalemia
Loop diuretics cause increased urinary excretion of potassium, leading to hypokalemia (low blood potassium levels).
What is the main therapeutic use of digoxin?
Answer: Heart failure and atrial fibrillation
Digoxin is a cardiac glycoside used to improve myocardial contractility in heart failure and control ventricular rate in atrial fibrillation.
Which drug is a direct-acting oral anticoagulant (DOAC) that inhibits Factor Xa?
Answer: Rivaroxaban
Rivaroxaban (Xarelto) is a direct Factor Xa inhibitor used for stroke prevention and DVT/PE treatment.