Nursing Metric Conversion

Correct Answer: A

Rationale: To convert liters to milliliters, you need to multiply by 1000 since 1 liter is equal to 1000 milliliters. Therefore, 0.5 liters x 1000 = 500 milliliters. So, the correct answer is A: 500 ml. Explanation of other choices: B: 50 ml - Incorrect, this would be the equivalent of 0.05 liters. C: 5 ml - Incorrect, this would be the equivalent of 0.005 liters. D: 0.5 ml - Incorrect, this is the same value as the given amount in liters, not the conversion to milliliters.

Correct Answer: B

Rationale: To convert 0.2 liters to milliliters, you need to multiply by 1000 since there are 1000 milliliters in 1 liter. So, 0.2 liters x 1000 = 200 milliliters, which is equivalent to 200 ml. Therefore, the correct answer is B. Other choices are incorrect because they do not follow the correct conversion factor. A is 10 times less, C is 100 times less, and D is 10 times more than the correct answer.

Correct Answer: C

Rationale: To convert mg to mcg, you multiply by 1000 since 1 mg = 1000 mcg. So, 0.175 mg x 1000 = 175 mcg. Therefore, the correct answer is C: 1750 mcg. Choices A, B, and D are incorrect because they do not correctly convert milligrams to micrograms.

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.

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.