Nokea
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.
You may also like to solve these questions
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.
Which of the following fractions is the smallest?
- A. 1/8
- B. 1/4
- C. 1/2
- D. 3/4
Correct Answer: A
Rationale: The larger the denominator, the smaller the fraction.
What screening test is accomplished by performing an intradermal injection?
- A. Diabetes
- B. Tuberculosis
- C. Hepatitis
- D. Meningitis
Correct Answer: B
Rationale: Intradermal injection absorption is slow, which makes it the best route for tuberculosis screening.
The order is for 100 mL to run over 8 hours as a "piggyback." The drop factor of the secondary unit is 15. The nurse should set the drop control to deliver __ gtts/min.
Correct Answer: 3
Rationale: 100 mL divided by 8 = 12.5 mL/h; (12.5 mL/h ? 15 gtts/mL) ÷ 60 min/h ? 3 gtts/min.
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.