Nursing Metric Conversion

Questions 49

ATI TEAS 7

ATI TEAS 7 Test Bank

Nursing Metric Conversion Questions

Question 1 of 5

Is 0.25 mg equal to 250 mcg?

Correct Answer: A

Rationale: Step 1: Convert 0.25 mg to mcg: 0.25 mg * 1000 mcg/mg = 250 mcg Step 2: Compare the converted value (250 mcg) to 250 mcg. Step 3: Since the converted value matches 250 mcg, the statement "0.25 mg is equal to 250 mcg" is TRUE. Summary: - Option B (FALSE) is incorrect because the conversion shows they are equal. - Option C (Sometimes) doesn't apply as the conversion is a precise equivalence. - Option D (None of the above) is incorrect as option A is true based on the conversion.

Question 2 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.

Question 3 of 5

How many kilograms are in 1,500 grams?

Correct Answer: B

Rationale: To convert grams to kilograms, divide by 1000 since there are 1000 grams in a kilogram. So, 1500 grams / 1000 = 1.5 kg. Therefore, the correct answer is B: 1.5 kg. Incorrect choices: A: 0.15 kg - Incorrect as it is 10 times smaller than the correct answer. C: 15 kg - Incorrect as it is 10 times greater than the correct answer. D: 150 kg - Incorrect as it is 100 times greater than the correct answer.

Question 4 of 5

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

Correct Answer: A

Rationale: The correct answer is A: liter. In the metric system, 'L' stands for liter, which is a unit of volume. The liter is commonly used to measure liquid volumes. The other choices, B: log, C: link, and D: lever, do not represent units of measurement in the metric system. Log is a mathematical function, link is a unit of distance in surveying, and lever is a simple machine. Therefore, the correct answer is A: liter, as it is the only choice that corresponds to a valid unit of measurement in the metric system.

Question 5 of 5

What is the equivalent of 255.0 pounds in kilograms (1 kg = 2.205 lbs)?

Correct Answer: D

Rationale: To convert pounds to kilograms, divide the weight in pounds by the conversion factor (2.205 lbs/kg). So, 255 lbs ÷ 2.205 lbs/kg = 115.60 kg, which is closest to choice D (115.6 kg). This choice is correct as it accurately converts 255 pounds to kilograms. The other choices are incorrect because they do not provide the correct conversion based on the given conversion factor.

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