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Which is the same ratio as 2:100?
- A. 1:50
- B. 10:00
- C. 1:20
- D. 4:25
Correct Answer: A
Rationale: The value of a ratio is not changed if both sides are multiplied or divided by the same number.
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Which of the following fractions is the largest?
- A. 3/4
- B. 1/4
- C. 1/2
- D. 1/8
Correct Answer: A
Rationale: The smaller the denominator, the larger the fraction.
What is the correct conversion for the improper fraction?
- A. 7
- B. 8
- C. 7.79
- D. 79.7
Correct Answer: B
Rationale: Divide the numerator by the denominator. The correct conversion for the improper fraction is 8.
Tylenol gr V is ordered. The available tablet is 0.3 g. What dosage should the nurse administer?
- A. 1 tablet
- B. 1.5 tablets
- C. 0.5 tablet
- D. 2 tablets
Correct Answer: A
Rationale: Gram to grain, multiply by 15, (0.3 ? 15 = 4.5 grains).
What is 2.5 ? 2?
- A. 1.25
- B. 5
- C. 50
- D. 22.5
Correct Answer: B
Rationale: When multiplying, decimal points do not have to be aligned. The decimal point in the answer is determined by the number of decimal points found to the right of the decimal point in the numbers multiplied.
What landmarks are used for the administration of an intramuscular injection into the gluteal site?
- A. The tip of the coccyx and the greater trochanter
- B. Between the center of the gluteus and the iliac spine
- C. Between the posterior iliac crest and the greater trochanter
- D. On an imaginary line between the center of the gluteus and the greater trochanter
Correct Answer: C
Rationale: The gluteal site is marked by the greater trochanter and the posterior iliac crest.