ATI LPN
Foundations and Adult Health Nursing Test Bank
Chapter 17 : Dosage Calculation and Medication Administration Cooper: Foundations and Adult Health Nursing, 9th Edition Questions
Question 1 of 5
What is the product of 1/2 ? 3/4?
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.
Question 2 of 5
What is 3/8 divided by 1/4?
Correct Answer: B
Rationale: Write the problem down correctly, invert the second number, and multiply. 3/8 divided by 1/4 = 3/8 ? 4/1 = 12/8 = 3/2 or 1 1/3
Question 3 of 5
What is 2.34 + 0.77?
Correct Answer: D
Rationale: Align the decimal point of each decimal fraction in a column and add.
Question 4 of 5
What is 6.147 rounded to the nearest tenth?
Correct Answer: D
Rationale: A subsequent number that is 5 or larger can increase the previous number by one whole number. A subsequent number that is less than 5 will leave the number unchanged.
Question 5 of 5
What is 2.5 ? 2?
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.