Medication Concepts and Calculations Flashcards
7 cards from real MACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Medication Concepts and Calculations flashcards as text
A resident requires 1,000 mL of IV fluid to infuse over 8 hours. What is the infusion rate in mL/hr?
Answer: 125 mL/hr
1,000 mL ÷ 8 hours = 125 mL/hr.
Which class of medications works by blocking H2 receptors to reduce stomach acid production?
Answer: H2 receptor antagonists
H2 receptor antagonists (e.g., famotidine, ranitidine) block histamine H2 receptors on stomach cells to reduce acid secretion.
When a drug order reads 'ASA 325 mg PO QID PRN pain,' what does PRN mean?
Answer: As needed
PRN is a Latin abbreviation for 'pro re nata,' meaning as needed or when necessary.
A medication has a narrow therapeutic index. What does this mean for the medication aide?
Answer: Small dose changes can cause toxicity or treatment failure
A narrow therapeutic index means there is little difference between an effective dose and a toxic dose, requiring careful monitoring.
An order reads: 'Give amoxicillin 500 mg PO q8h × 10 days.' How many total doses will be given over the treatment course?
Answer: 30 doses
3 doses/day (q8h = every 8 hours) × 10 days = 30 total doses.
Which of the following is an example of a Schedule II controlled substance?
Answer: Oxycodone
Oxycodone is a Schedule II controlled substance with high abuse potential and accepted medical use with severe restrictions.
A resident is taking a diuretic medication. Which electrolyte imbalance should the medication aide monitor for most closely?
Answer: Hypokalemia
Loop and thiazide diuretics commonly cause hypokalemia (low potassium) as they increase urinary potassium excretion.