Nokea
What is the product of 1/2 ? 3/4?
- A. 3/8
- B. 4/5
- C. 2/3
- D. 1/4
Correct Answer: A
Rationale: Multiply the numerators. Multiply the denominators. The first step when multiplying fractions is to multiply the two numerators. The second step is to multiply the two denominators. Finally, simplify the new fractions. The fractions can also be simplified before multiplying by factoring out common factors in the numerator and denominator.
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What is the main organ that inactivates and metabolizes drugs?
- A. Spleen
- B. Liver
- C. Lungs
- D. Pancreas
Correct Answer: B
Rationale: The liver is the main organ that inactivates and metabolizes drugs.
What is 4.5 divided by 3?
- A. 0.75
- B. 1.5
- C. 5
- D. 0.66
Correct Answer: B
Rationale: In the divisor, move the decimal point all the way to the right and move the decimal point in the dividend the same number of places as moved in the divisor.
What is 2.34 + 0.77?
- A. 0.01
- B. 90.4
- C. 2.417
- D. 3.11
Correct Answer: D
Rationale: Align the decimal point of each decimal fraction in a column and add.
A 150-lb man is to receive a medication based on milligrams/kilograms. He is to receive 1 mg/kg. What dosage should the nurse administer?
- A. 50 mg
- B. 68 mg
- C. 75 mg
- D. 80 mg
Correct Answer: B
Rationale: 2.2 lb equals 1 kg.
The medication order reads "Ibuprofen 600 mg PO tid." The bottle is labeled "Ibuprofen 200 mg/tab." How many tablets should the nurse administer?
- A. 1
- B. 2
- C. 3
- D. 6
Correct Answer: C
Rationale: Desired dose over available dose times the unit. The unit is what the available dose is contained in.