ATI TEAS 7
Metric Conversions for Nursing Questions
Question 1 of 5
What is 0.5 x 200?
Correct Answer: A
Rationale: To solve 0.5 x 200, we multiply 0.5 by 200, which equals 100. This is because when we multiply a decimal by a whole number, we move the decimal point to the right the same number of places as the total number of decimal places in the factors. In this case, 0.5 has one decimal place, and 200 is a whole number. Therefore, the correct answer is A: 100. Choice B: 50 is incorrect because it results from multiplying 0.5 by 100 instead of 200. Choice C: 150 is incorrect as it is the result of multiplying 0.5 by 300. Choice D: 200 is incorrect because it is one of the factors in the multiplication operation, not the result of the operation.
Question 2 of 5
Which of the following is equal to 0.16 inches?
Correct Answer: B
Rationale: To convert 0.16 inches to a fraction, we can write it as 16/100 or 4/25. Both 16/100 and 4/25 are equivalent to 0.16. Therefore, the correct answer is B: 0.16 inches. Option A (0.016 inches) is incorrect as it is one-tenth of the correct value. Option C (1.6 inches) is incorrect as it is ten times the correct value. Option D (16 inches) is incorrect as it is one hundred times the correct value.
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 does the prefix 'Tera' refer to?
Correct Answer: A
Rationale: The prefix 'Tera' corresponds to the value of 10^12. This can be understood by knowing that the International System of Units (SI) prefixes are based on powers of 10. 'Tera' comes after 'Giga' (10^9) and before 'Peta' (10^15). Therefore, the correct choice is A. Summary of other choices: B: Incorrect because 'Giga' represents 10^9. C: Incorrect as 'Peta' represents 10^15, a higher value. D: Incorrect because 'Mega' represents 10^6, a lower value than 'Tera'.
Question 5 of 5
How many milliliters are in 2 liters?
Correct Answer: A
Rationale: To convert liters to milliliters, you multiply by 1000 because 1 liter = 1000 milliliters. Therefore, 2 liters x 1000 = 2000 milliliters. This is why choice A (2000 mL) is correct. Choices B, C, and D are incorrect because they do not correctly convert 2 liters to milliliters using the conversion factor of 1000. Choice B (20,000 mL) is 10 times the correct answer, choice C (200 mL) is 10 times less, and choice D (2 mL) is 1000 times less than the correct answer.
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