Nursing Metric Conversions

Questions 50

ATI TEAS 7

ATI TEAS 7 Test Bank

Nursing Metric Conversions Questions

Question 1 of 5

Convert 0.1 liter to milliliters. What is the equivalent volume?

Correct Answer: C

Rationale: To convert 0.1 liter to milliliters, we know that 1 liter equals 1000 milliliters. Therefore, 0.1 liter is equivalent to 0.1 x 1000 = 100 milliliters. Hence, the correct answer is C: 100 ml. Explanation for other choices: A: 1 ml - Incorrect, as 0.1 liter is larger than 1 ml. B: 10 ml - Incorrect, as 0.1 liter is equivalent to 100 ml, not 10 ml. D: 1000 ml - Incorrect, as 0.1 liter is smaller than 1000 ml.

Question 2 of 5

What is the equivalent of 0.3 milliliters?

Correct Answer: B

Rationale: The correct answer is B: 0.3 ml. To convert milliliters to milliliters, we don't need to change the value. Therefore, the equivalent of 0.3 milliliters is still 0.3 ml. A: 0.03 ml - This is incorrect as it represents a value that is one-tenth of the original amount. C: 3 ml - This is incorrect as it represents a value that is 10 times greater than the original amount. D: 30 ml - This is incorrect as it represents a value that is 100 times greater than the original amount.

Question 3 of 5

What is it called when base units are combined, such as g/mL for density?

Correct Answer: B

Rationale: The correct answer is B: derived units. Derived units are formed when base units are combined using mathematical operations. In the case of g/mL for density, grams (g) and milliliters (mL) are base units that are combined to express the derived unit of density. This combination involves division to represent the mass per unit volume. Therefore, derived units are the appropriate term for such combinations. Summary: A: Combined units is a vague term and does not specifically refer to the mathematical combination of base units. C: Base units refer to the fundamental units from which derived units are formed, but they are not the combination of base units. D: Calculated units do involve mathematical operations, but they do not specifically refer to the combination of base units to form derived units.

Question 4 of 5

How many milligrams are in 1 gram?

Correct Answer: D

Rationale: The correct answer is D: 1,000 mg. This is because there are 1,000 milligrams in 1 gram. This conversion is based on the metric system, where the prefix "milli-" represents one thousandth of the base unit. Therefore, 1 gram is equal to 1,000 milligrams. Explanation for other choices: A: 1 mg - This is incorrect as 1 mg is one-thousandth of a gram, not the other way around. B: 10 mg - This is incorrect as it is too small to be equivalent to 1 gram. C: 100 mg - This is incorrect as it is one-tenth of 1 gram, not the correct conversion.

Question 5 of 5

What is 0.05 mg in mcg?

Correct Answer: A

Rationale: To convert mg to mcg, we multiply by 1000. So, 0.05 mg x 1000 = 50 mcg. Therefore, the correct answer is A: 50 mcg. Choice B (500 mcg) is incorrect as it would be the result if we mistakenly multiplied by 10, not 1000. Choice C (5 mcg) is incorrect as it represents the original value in mcg, not the converted value. Choice D (0.5 mcg) is incorrect as it is the result if we mistakenly divided by 1000 instead of multiplying.

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