Nursing Metric Conversion

Questions 49

ATI TEAS 7

ATI TEAS 7 Test Bank

Nursing Metric Conversion Questions

Question 1 of 5

How many centimeters are in 1 inch?

Correct Answer: A

Rationale: The correct answer is A: 2.54 cm. To convert inches to centimeters, we use the conversion factor 1 inch = 2.54 cm. This conversion factor is derived from the definition of an inch in the metric system. Therefore, there are 2.54 centimeters in 1 inch. Option B (3 cm) is incorrect because it does not align with the correct conversion factor of 1 inch = 2.54 cm. Option C (2 cm) is also incorrect as it does not match the accurate conversion. Option D (1 cm) is incorrect because it is not the correct conversion factor for inches to centimeters.

Question 2 of 5

What is the equivalent of 3,450 milliliters in liters (L)?

Correct Answer: B

Rationale: To convert milliliters to liters, we divide by 1000 since 1 liter is equal to 1000 milliliters. Therefore, 3450 milliliters / 1000 = 3.45 liters. Choice B is correct. Choice A is incorrect as it is off by a factor of 10. Choice C is incorrect as it is off by a factor of 100. Choice D is incorrect as it is off by a factor of 1000.

Question 3 of 5

Convert 0.5 liters to milliliters.

Correct Answer: B

Rationale: To convert liters to milliliters, you need to multiply by 1000 since there are 1000 milliliters in 1 liter. Therefore, 0.5 liters x 1000 = 500 milliliters, which is choice B. Choices A, C, and D are incorrect because they do not follow the correct conversion factor from liters to milliliters.

Question 4 of 5

What is 0.5 liters to milliliters?

Correct Answer: A

Rationale: To convert liters to milliliters, you need to multiply by 1000 since 1 liter equals 1000 milliliters. So, 0.5 liters * 1000 = 500 ml. Therefore, the correct answer is A: 500 ml. Choice B (50 ml) is incorrect as it is 10 times less than the correct answer. Choice C (5 ml) is incorrect as it is 100 times less, and choice D (0.5 ml) is incorrect as it is the original volume in milliliters, not the conversion from liters.

Question 5 of 5

Convert 0.025 mg to micrograms.

Correct Answer: A

Rationale: To convert milligrams (mg) to micrograms (mcg), you need to multiply by 1000 since there are 1000 micrograms in 1 milligram. So, 0.025 mg x 1000 = 25 mcg, which is option A. Option B is incorrect as it incorrectly multiplies by 10. Option C is incorrect as it incorrectly divides by 10. Option D is incorrect as it incorrectly divides by 100. Always remember the conversion factor of 1000 when converting between milligrams and micrograms.

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