Nursing Metric Conversion

Questions 49

ATI TEAS 7

ATI TEAS 7 Test Bank

Nursing Metric Conversion Questions

Question 1 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 2 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 3 of 5

The metric system is based on what concept?

Correct Answer: B

Rationale: The correct answer is B: Powers of 10. The metric system is based on the concept of powers of 10, where each unit is a multiple or fraction of 10. This allows for easy conversion between units by simply moving the decimal point. Multiplication (A), addition (C), and subtraction (D) are not the foundational principles of the metric system. Multiplication is involved in converting between different metric units, but the fundamental concept is the use of powers of 10. Addition and subtraction are not directly related to the structure of the metric system.

Question 4 of 5

What is 0.2 mg converted to mcg?

Correct Answer: A

Rationale: To convert 0.2 mg to mcg, we need to remember that 1 mg is equal to 1000 mcg. So, to convert 0.2 mg to mcg, we multiply 0.2 by 1000, which gives us 200 mcg. Therefore, the correct answer is A: 200 mcg. Incorrect answers: B: 20 mcg - Incorrect because it does not account for the correct conversion factor of 1000 mcg per 1 mg. C: 2000 mcg - Incorrect as it incorrectly multiplies 0.2 mg by 1000 twice. D: 2 mcg - Incorrect as it does not consider the correct conversion of 0.2 mg to mcg.

Question 5 of 5

Which conversion is accurate?

Correct Answer: C

Rationale: The correct answer is C because 1 liter is equivalent to 1.057 quarts. To convert liters to quarts, we know that 1 liter is approximately equal to 1.057 quarts. This conversion is accurate because it reflects the actual conversion factor between liters and quarts. A: 1 inch = 2.54 cm, not 2.5 cm. B: 1 meter = 39.37 inches, not an incorrect conversion but not the most accurate one. D: 1 gram = 1000 milligrams, not 100 milligrams. In summary, choices A, B, and D are incorrect due to inaccurate conversion factors, whereas choice C is correct as it provides the accurate conversion between liters and quarts.

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