Metric Conversions for Nursing

Questions 49

ATI TEAS 7

ATI TEAS 7 Test Bank

Metric Conversions for Nursing Questions

Question 1 of 5

How many milligrams (mg) are equal to 1 gram?

Correct Answer: B

Rationale: The correct answer is B: 1,000 mg. There are 1,000 milligrams in 1 gram. This is because the prefix "milli-" represents one thousandth, so 1 gram is equal to 1,000 milligrams. Choice A (100 mg) is incorrect because it represents only a hundredth of a gram. Choice C (1 mg) is incorrect as it is only one thousandth of a gram. Choice D (10,000 mg) is incorrect as it is actually 10 grams, not 1 gram.

Question 2 of 5

What does 'cm' stand for in the metric system?

Correct Answer: A

Rationale: The correct answer is A: centimeter. 'cm' stands for centimeter in the metric system. 'Centi' is a prefix that means one hundredth, so centimeter represents one hundredth of a meter. Choice B, cubic meter, is incorrect because 'cm' does not refer to volume. Choice C, cord, is a unit of measurement for stacked firewood and is not related to 'cm.' Choice D, centi, is a prefix used to indicate one hundredth, but it is not the complete unit itself.

Question 3 of 5

Convert 1.25 kilograms to grams.

Correct Answer: C

Rationale: To convert kilograms to grams, you need to multiply by 1000 since there are 1000 grams in 1 kilogram. So, 1.25 kg x 1000 = 1250 grams, which is choice C. Choice A (12.5 grams) is incorrect as it is 10 times less than the correct answer. Choice B (125 grams) is incorrect as it is missing a zero. Choice D (1250 mg) is incorrect as it is in milligrams, not grams.

Question 4 of 5

What does the prefix 'milli' mean?

Correct Answer: B

Rationale: The prefix 'milli' denotes 1/1000, which is equivalent to 0.001. This means that any unit following 'milli' is divided by 1000. Therefore, the correct answer is B, 0.001. Choice A (0.01) is incorrect as it represents the prefix 'centi,' which means 1/100. Choice C (0.0001) is incorrect as it represents the prefix 'micro,' which means 1/1,000,000. Choice D (0.00001) is incorrect as it represents the prefix 'nano,' which means 1/1,000,000,000.

Question 5 of 5

Which of the following is equal to 0.16 inches?

Correct Answer: B

Rationale: To convert 0.16 inches to a fraction, we can write it as 16/100 or 4/25. Both 16/100 and 4/25 are equivalent to 0.16. Therefore, the correct answer is B: 0.16 inches. Option A (0.016 inches) is incorrect as it is one-tenth of the correct value. Option C (1.6 inches) is incorrect as it is ten times the correct value. Option D (16 inches) is incorrect as it is one hundred times the correct value.

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