How many centimeters are in one meter?

Correct Answer: B

Rationale: The correct answer is B: 100 cm. One meter is equivalent to 100 centimeters. This conversion is based on the metric system, where the prefix 'centi-' represents one hundredth. Choices A, C, and D are incorrect because they do not accurately reflect the conversion of meters to centimeters. Choice A, '1/10 cm,' is incorrect as it represents a fraction of a centimeter, not the full conversion from meters to centimeters. Choice C, '10 cm,' is incorrect as it represents the conversion from decimeters to centimeters, not meters to centimeters. Choice D, '1000 cm,' is incorrect as it represents the conversion from meters to millimeters, not centimeters.

Correct Answer: C

Rationale: To convert liters to milliliters, you need to multiply the number of liters by 1,000 since there are 1,000 milliliters in 1 liter. Therefore, 2 liters x 1,000 = 2,000 milliliters. Choices A, B, and D are incorrect because they do not account for the correct conversion factor from liters to milliliters.

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.