ATI TEAS 7
Nursing Metric Conversion Questions
Question 1 of 5
What is 0.02 as a ratio?
Correct Answer: C
Rationale: To express 0.02 as a ratio, we need to convert it to a fraction: 0.02 = 2/100. Simplifying this fraction gives us 2:100, which is the same as 2/100 or 1/50. Therefore, the correct ratio for 0.02 is 2:100 (C). The other choices are incorrect because: A: 1:50 - Incorrect, as 0.02 is equivalent to 2:100, not 1:50. B: 1:20 - Incorrect, as 0.02 is equivalent to 2:100, not 1:20. D: 4:20 - Incorrect, as 0.02 simplifies to 2:100, not 4:20.
Question 2 of 5
What is 0.02 as a ratio?
Correct Answer: C
Rationale: To express 0.02 as a ratio, we need to convert it to a fraction: 0.02 = 2/100. Simplifying this fraction gives us 2:100, which is the same as 2/100 or 1/50. Therefore, the correct ratio for 0.02 is 2:100 (C). The other choices are incorrect because: A: 1:50 - Incorrect, as 0.02 is equivalent to 2:100, not 1:50. B: 1:20 - Incorrect, as 0.02 is equivalent to 2:100, not 1:20. D: 4:20 - Incorrect, as 0.02 simplifies to 2:100, not 4:20.
Question 3 of 5
Which metric prefix represents 10^-2?
Correct Answer: A
Rationale: The correct answer is A: centi. The metric prefix "centi" represents 10^-2, which means one hundredth. This is because "centi" comes from the Latin word for hundred. Therefore, when using this prefix, the base unit is divided by 100. The other choices are incorrect because: B: milli represents 10^-3, which is one thousandth. C: nano represents 10^-9, which is one billionth. D: deci represents 10^-1, which is one-tenth.
Question 4 of 5
What is 0.04 grams converted to milligrams?
Correct Answer: A
Rationale: To convert grams to milligrams, you need to multiply by 1000 since there are 1000 milligrams in a gram. So, 0.04 grams * 1000 = 40 milligrams. Therefore, the correct answer is A: 40 mg. Incorrect choices: B: 4 mg - This is incorrect because it does not account for the conversion factor of 1000. C: 400 mg - This is incorrect as it is a result of multiplying by 10 instead of 1000. D: 0.4 mg - This is incorrect as it is the result of dividing by 10 instead of multiplying by 1000.
Question 5 of 5
What is the term for the amount of space an object occupies?
Correct Answer: B
Rationale: The correct answer is B: volume. Volume refers to the amount of space an object occupies in three dimensions. It is calculated by multiplying the length, width, and height of an object. Mass (A) is the amount of matter in an object, density (C) is the mass per unit volume, and area (D) is the measurement of the surface of an object in two dimensions. Therefore, volume is the most appropriate term for describing the amount of space an object occupies.
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