ATI TEAS 7
Metric Conversions for Nursing Questions
Question 1 of 5
What does 'cm' stand for in the metric system?
Correct Answer: A
Rationale: The correct answer is A: centimeter. 'cm' stands for centimeter in the metric system. 'Centi' is a prefix that means one hundredth, so centimeter represents one hundredth of a meter. Choice B, cubic meter, is incorrect because 'cm' does not refer to volume. Choice C, cord, is a unit of measurement for stacked firewood and is not related to 'cm.' Choice D, centi, is a prefix used to indicate one hundredth, but it is not the complete unit itself.
Question 2 of 5
How many centimeters are in one meter?
Correct Answer: B
Rationale: The correct answer is B: 100 cm. There are 100 centimeters in one meter because the metric system is based on units of 10. 1 meter is equivalent to 100 centimeters. Choice A is incorrect because 1/10 cm is not a valid conversion from meters to centimeters. Choice C is incorrect as 10 cm is the conversion from decimeters to centimeters, not meters. Choice D is incorrect because 1000 cm is the conversion from meters to millimeters, not centimeters. Therefore, the correct choice is B as it accurately reflects the conversion from meters to centimeters in the metric system.
Question 3 of 5
What is the base unit for volume of a solid in the metric system?
Correct Answer: A
Rationale: The correct answer is A: cubic meters. Volume is a three-dimensional measurement, so the base unit for volume of a solid in the metric system is cubic meters. Cubic meters represent the amount of space that a solid occupies in three dimensions. Meters cubed (B) is not the correct term for the base unit, as cubic meters is the standard notation. Grams (C) is a unit of mass, not volume. Centimeters (D) is a unit of length, not volume. Therefore, the most appropriate and accurate base unit for volume of a solid in the metric system is cubic meters.
Question 4 of 5
Convert 0.345 kilometers to meters (m).
Correct Answer: B
Rationale: To convert kilometers to meters, we need to multiply by 1000 since there are 1000 meters in 1 kilometer. Therefore, 0.345 km * 1000 = 345 meters. Choice B, 345 meters, is the correct answer. Choice A (3.45 m) is incorrect as it doesn't account for the conversion factor of 1000. Choice C (345 cm) is incorrect as it converts to centimeters instead of meters. Choice D (345 m) is incorrect as it matches the correct answer but lacks the necessary conversion step.
Question 5 of 5
What is 0.075 mg in mcg?
Correct Answer: D
Rationale: To convert mg to mcg, you multiply by 1000. Therefore, 0.075 mg x 1000 = 75 mcg. Correct Answer: D. Option A is incorrect as it is the same unit, not converted. Option B is 10 times the correct answer. Option C is 100 times the correct answer.
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