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 milliliters are in 2 liters?

Correct Answer: A

Rationale: To convert liters to milliliters, you multiply by 1000 because 1 liter = 1000 milliliters. Therefore, 2 liters x 1000 = 2000 milliliters. This is why choice A (2000 mL) is correct. Choices B, C, and D are incorrect because they do not correctly convert 2 liters to milliliters using the conversion factor of 1000. Choice B (20,000 mL) is 10 times the correct answer, choice C (200 mL) is 10 times less, and choice D (2 mL) is 1000 times less than the correct answer.

Question 2 of 5

What is 0.04 g in mg?

Correct Answer: A

Rationale: To convert grams to milligrams, you need to multiply by 1000 since 1 g = 1000 mg. Therefore, 0.04 g * 1000 = 40 mg. Thus, the correct answer is A: 40 mg. Choice B is incorrect as it is 10 times more than the correct answer. Choice C is incorrect as it is 10 times less than the correct answer. Choice D is incorrect as it is 100 times less than the correct answer.

Question 3 of 5

What is the value of one femtometer (fm) in meters?

Correct Answer: A

Rationale: The correct answer is A: 10^-15 meters. 1 femtometer is equal to 10^-15 meters. This is because the prefix "femto-" represents 10^-15. Therefore, one femtometer is equivalent to 10^-15 meters. Choice B: 10^-9 meters is incorrect as this corresponds to the prefix "nano-" not "femto-". Choice C: 10^-12 meters is incorrect as this corresponds to the prefix "pico-" not "femto-". Choice D: 10^-18 meters is incorrect as this corresponds to the prefix "atto-" not "femto-". In summary, the correct answer is A because 1 femtometer is equal to 10^-15 meters, as per the corresponding SI prefix.

Question 4 of 5

What is the official name of the metric system?

Correct Answer: B

Rationale: The correct answer is B: International System of Units (SI). This is because the SI system is the internationally recognized standard for units of measurement. It is based on seven base units, from which all other units are derived. It provides a consistent and coherent framework for measurements across different fields of science and technology. Choice A (International Measurement System) is incorrect because the official name does not include the word "measurement." Choice C (Metric Unit System) is incorrect because while the metric system is a component of the SI system, it does not encompass all the units used in the SI system. Choice D (Measurement System of Units) is incorrect as it does not accurately reflect the comprehensive nature of the SI system.

Question 5 of 5

What is 0.5 liters in ml?

Correct Answer: A

Rationale: To convert liters to milliliters, you multiply by 1000 since 1 liter is equal to 1000 milliliters. Therefore, 0.5 liters is equal to 0.5 x 1000 = 500 ml. Choice A (500 ml) is correct. Choices B, C, and D are incorrect because they do not follow the correct conversion factor of 1 liter to 1000 milliliters. B (50 ml), C (5 ml), and D (0.5 ml) are not the correct conversions for 0.5 liters.

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