Dosage Calculations & Measurement Accuracy 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 Dosage Calculations & Measurement Accuracy flashcards as text
How many milliliters are in 2 fluid ounces?
Answer: 60 mL
1 fluid ounce = 30 mL, so 2 fluid ounces = 60 mL.
A resident weighs 154 pounds. What is their weight in kilograms?
Answer: 70 kg
154 pounds ÷ 2.2 = 70 kg.
The order reads: give 1/2 teaspoon of liquid acetaminophen. How many mL should be measured?
Answer: 2.5 mL
1 teaspoon = 5 mL; 1/2 teaspoon = 2.5 mL.
A medication vial contains 10 mg/mL. The order is for 25 mg. How many mL should be drawn up?
Answer: 2.5 mL
25 mg ÷ 10 mg/mL = 2.5 mL.
Which of the following is the most appropriate action when a calculated dose seems unusually high?
Answer: Withhold the dose and notify the nurse immediately
An unusually high calculated dose should be reported to a nurse before administration to prevent a medication error.
A medication label states 125 mg/5 mL. The order is for 250 mg. How many mL should be administered?
Answer: 10 mL
250 mg ÷ 125 mg × 5 mL = 10 mL.
A resident needs 1,000 mg of a medication. The available tablets are 0.5 g each. How many tablets are needed?
Answer: 2 tablets
0.5 g = 500 mg; 1,000 mg ÷ 500 mg = 2 tablets.