Nursing Metric Conversions

Questions 50

ATI TEAS 7

ATI TEAS 7 Test Bank

Nursing Metric Conversions Questions

Question 1 of 5

Convert 0.5 centimeters to millimeters.

Correct Answer: A

Rationale: To convert centimeters to millimeters, you multiply by 10 since 1 cm = 10 mm. Therefore, 0.5 cm * 10 mm/cm = 5 mm. Choice A (5 mm) is correct. Choice B (0.5 mm) is incorrect as it represents the original value in millimeters. Choice C (50 mm) is incorrect as it is 10 times greater than the correct value. Choice D (0.05 mm) is incorrect as it is 100 times smaller than the correct value.

Question 2 of 5

How many milligrams are in 2 grams?

Correct Answer: B

Rationale: To convert grams to milligrams, you need to multiply by 1,000 since there are 1,000 milligrams in 1 gram. So, 2 grams x 1,000 = 2,000 mg. Therefore, the correct answer is B. A: 200 mg - This is incorrect as it doesn't account for the conversion factor from grams to milligrams. C: 20 mg - This is incorrect as it is 100 times less than the correct conversion. D: 20,000 mg - This is incorrect as it is 10 times greater than the correct conversion.

Question 3 of 5

How many centimeters are in 0.25 meters?

Correct Answer: B

Rationale: To convert meters to centimeters, we know that 1 meter is equal to 100 centimeters. Therefore, to find how many centimeters are in 0.25 meters, we multiply 0.25 by 100, giving us 25 centimeters. Explanation for incorrect choices: A: 2.5 cm - Incorrect because 0.25 meters is equivalent to 25 cm. C: 250 cm - Incorrect because multiplying 0.25 by 100 gives 25 cm, not 250 cm. D: 0.25 cm - Incorrect because this doesn't follow the conversion from meters to centimeters.

Question 4 of 5

How many liters are in 2,000 milliliters?

Correct Answer: B

Rationale: To convert milliliters to liters, divide by 1000 since 1 liter = 1000 milliliters. So, 2000 milliliters ÷ 1000 = 2 liters. Choice B is correct. Choice A is incorrect as it's 0.2 liters (misplaced decimal). Choice C is incorrect as it's 0.02 liters (decimal off by a factor of 10). Choice D is incorrect as it's 20 liters (decimal misplaced).

Question 5 of 5

What is 0.45 liters in milliliters?

Correct Answer: A

Rationale: To convert liters to milliliters, we multiply the value by 1000 because 1 liter equals 1000 milliliters. Therefore, 0.45 liters is equal to 0.45 x 1000 = 450 milliliters. Choice A (450 ml) is correct. Choices B, C, and D are incorrect because they do not follow the correct conversion factor from liters to milliliters.

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