ATI TEAS 7
Nursing Metric Conversions Questions
Question 1 of 5
Convert 0.5 centimeters to millimeters.
Correct Answer: A
Rationale: To convert centimeters to millimeters, you multiply by 10 since 1 cm = 10 mm. Therefore, 0.5 cm * 10 mm/cm = 5 mm. Choice A (5 mm) is correct. Choice B (0.5 mm) is incorrect as it represents the original value in millimeters. Choice C (50 mm) is incorrect as it is 10 times greater than the correct value. Choice D (0.05 mm) is incorrect as it is 100 times smaller than the correct value.
Question 2 of 5
What is 0.45 liters in milliliters?
Correct Answer: A
Rationale: To convert liters to milliliters, we multiply the value by 1000 because 1 liter equals 1000 milliliters. Therefore, 0.45 liters is equal to 0.45 x 1000 = 450 milliliters. Choice A (450 ml) is correct. Choices B, C, and D are incorrect because they do not follow the correct conversion factor from liters to milliliters.
Question 3 of 5
How many millimeters are in 1 centimeter?
Correct Answer: B
Rationale: The correct answer is B: 10 mm. 1 centimeter is equal to 10 millimeters. This is because the metric system is based on units of 10. Therefore, to convert from centimeters to millimeters, you simply multiply by 10. The other choices are incorrect because: A: 1 mm - This is the equivalent of 1 millimeter, not 1 centimeter. C: 100 mm - This is the equivalent of 100 millimeters, not 1 centimeter. D: 1,000 mm - This is the equivalent of 1,000 millimeters, not 1 centimeter.
Question 4 of 5
What is 0.004 as a simplified ratio?
Correct Answer: A
Rationale: To simplify the ratio 0.004, we need to express it in the form of a ratio of integers. First, multiply by 1000 to get 4. So, the ratio becomes 4:1000. Further simplifying by dividing both terms by 4 gives us 1:250, which is the correct answer (A). Choices B, C, and D are incorrect because they do not represent the simplified ratio of 0.004. B, C, and D do not result from the correct calculation process and do not simplify to the equivalent ratio of 1:250.
Question 5 of 5
How many liters are in 2,000 milliliters?
Correct Answer: B
Rationale: To convert milliliters to liters, divide by 1000 since 1 liter = 1000 milliliters. So, 2000 milliliters ÷ 1000 = 2 liters. Choice B is correct. Choice A is incorrect as it's 0.2 liters (misplaced decimal). Choice C is incorrect as it's 0.02 liters (decimal off by a factor of 10). Choice D is incorrect as it's 20 liters (decimal misplaced).
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