Nursing Metric Conversion

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.

Correct Answer: A

Rationale: To express 0.07 as a fraction, we consider the decimal places. Since there are two decimal places in 0.07, we write it as 7/100. This simplifies to 7/100 as the correct fraction. Option A is correct as it represents 0.07 accurately. Options B, C, and D are incorrect as they do not match the decimal value of 0.07. B is 1/10, C is 1/20, and D is 1/50, which are not equivalent to 0.07.

Correct Answer: B

Rationale: To convert kilometers to meters, you multiply by 1000. Therefore, to find how many meters are in 3 kilometers, you would multiply 3 by 1000, resulting in 3,000 meters. Choice B is correct. Choices A, C, and D are incorrect because they do not correctly apply the conversion factor of 1000 for converting kilometers to meters.

Correct Answer: B

Rationale: To convert millimeters to centimeters, we divide by 10 since there are 10 millimeters in a centimeter. So, 345,000 mm ÷ 10 = 34,500 cm. Therefore, the correct answer is B. Choice A is incorrect as it doesn't involve dividing by 10. Choice C is incorrect as it doesn't consider the conversion factor. Choice D is incorrect as it adds extra zeros, which is not necessary for this conversion.

Correct Answer: B

Rationale: The correct answer is B: volume. Volume refers to the amount of space an object occupies in three dimensions. It is calculated by multiplying the length, width, and height of an object. Mass (A) is the amount of matter in an object, density (C) is the mass per unit volume, and area (D) is the measurement of the surface of an object in two dimensions. Therefore, volume is the most appropriate term for describing the amount of space an object occupies.