What is the equivalent of 500 milliliters in liters?

Correct Answer: B

Rationale: To convert milliliters to liters, you need to divide by 1000 since 1 liter is equal to 1000 milliliters. Therefore, 500 milliliters divided by 1000 equals 0.5 liters. Choice A (0.05 liters) is incorrect because it represents 50 milliliters, not 500 milliliters. Choice C (5 liters) and Choice D (50 liters) are both incorrect as they are higher values and do not accurately represent the conversion of 500 milliliters to liters.

Correct Answer: A

Rationale: To convert kilometers to meters, you need to multiply by 1,000 since there are 1,000 meters in a kilometer. Therefore, 1.5 kilometers is equal to 1,500 meters (1.5 x 1,000 = 1,500). Choice A, '1,500 meters,' is the correct answer. Choice B, '150 meters,' is incorrect as it represents converting 0.15 kilometers to meters. Choice C, '15,000 meters,' is incorrect as it represents multiplying by 10,000 instead of 1,000. Choice D, '1.5 meters,' is incorrect as it doesn't convert the kilometers to meters accurately.

Correct Answer: C

Rationale: In nursing, accurate metric conversions are crucial for safe medication administration and clinical practice. When converting 1.25 kilograms to grams, the correct answer is C) 1,250 grams. The rationale for this answer lies in the basic metric system conversion: 1 kilogram is equal to 1000 grams. Therefore, 1.25 kilograms would be 1.25 x 1000 = 1,250 grams. Option A) 12.5 grams is incorrect as it reflects a misunderstanding of the decimal placement when converting between kilograms and grams. Option B) 125 grams is incorrect as it fails to account for the magnitude of the conversion from kilograms to grams. Option D) 1250 mg is incorrect as it represents milligrams, not grams. Educationally, understanding metric conversions is fundamental for nurses to ensure accurate dosing, IV fluid calculations, and patient monitoring. Practicing these conversions reinforces numerical skills essential for nursing practice. Remembering the metric system prefixes (kilo-, milli-) and their relative values is key to mastering these conversions effectively.

Correct Answer: A

Rationale: To convert grams to kilograms, you need to divide by 1000 since there are 1000 grams in a kilogram. So, 100 grams divided by 1000 equals 0.1 kilograms, making choice A the correct answer. Choices B, C, and D are incorrect because they do not involve the correct conversion factor or calculation. Choice B of 1 kg is the equivalent of 1000 grams, which is 10 times the given value of 100 grams, making it too large. Choice C of 10 kg is 100 times the given value, and choice D of 0.01 kg is 10 times smaller than the correct conversion.

Correct Answer: B

Rationale: To convert centimeters to millimeters, you multiply by 10 since there are 10 millimeters in a centimeter. Therefore, 5 centimeters x 10 = 50 millimeters, making choice A the correct answer. Choice C, '5 mm,' is incorrect as it represents the original quantity in millimeters. Choice D, '500 cm,' is incorrect as it converts the centimeters to centimeters instead of millimeters.