ATI TEAS 7
Metric Conversions for Nursing Questions
Question 1 of 5
Which basic SI conversion is incorrect?
Correct Answer: D
Rationale: The correct answer is D. In the metric system, 1 gram is equal to 1000 milligrams, not 100 milligrams. This is because the prefix "milli-" denotes a factor of 1/1000. Therefore, the conversion should be 1 g = 1000 mg. Choices A, B, and C are correct conversions as they follow the standard metric system prefixes: centi- (1/100), deci- (1/10), and kilo- (1000), respectively.
Question 2 of 5
What is the value of one femtometer (fm) in meters?
Correct Answer: A
Rationale: The correct answer is A: 10^-15 meters. 1 femtometer is equal to 10^-15 meters. This is because the prefix "femto-" represents 10^-15. Therefore, one femtometer is equivalent to 10^-15 meters. Choice B: 10^-9 meters is incorrect as this corresponds to the prefix "nano-" not "femto-". Choice C: 10^-12 meters is incorrect as this corresponds to the prefix "pico-" not "femto-". Choice D: 10^-18 meters is incorrect as this corresponds to the prefix "atto-" not "femto-". In summary, the correct answer is A because 1 femtometer is equal to 10^-15 meters, as per the corresponding SI prefix.
Question 3 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 4 of 5
What is the equivalent of 3.54 millimeters in meters (m)?
Correct Answer: B
Rationale: To convert millimeters to meters, we divide by 1000 since there are 1000 millimeters in a meter. Therefore, 3.54 mm in meters is 3.54/1000 = 0.00354 meters. Choice B is correct as it correctly converts 3.54 mm to meters. Choices A, C, and D are incorrect because they do not apply the correct conversion factor. Choice A incorrectly moves the decimal point two places to the left instead of three. Choice C incorrectly multiplies by 10 instead of dividing by 1000. Choice D incorrectly moves the decimal point one place to the left instead of three.
Question 5 of 5
Convert 100 grams to kilograms.
Correct Answer: A
Rationale: To convert grams to kilograms, divide the number of grams by 1000. In this case, 100 grams divided by 1000 equals 0.1 kilograms (A). Choice B is incorrect because it represents the equivalent of 1000 grams, not 100 grams. Choice C is incorrect as it represents 10 times the amount of 100 grams. Choice D is incorrect as it represents one-hundredth of 100 grams, not the correct conversion.
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