ATI TEAS 7
Metric Conversions for Nursing Questions
Question 1 of 5
How many quarts are in 1 gallon?
Correct Answer: B
Rationale: The correct answer is B: 4 quarts. There are 4 quarts in 1 gallon because a quart is a unit of volume equal to a quarter of a gallon. Therefore, when you multiply 1 gallon by 4 quarts per gallon, you get 4 quarts. Choice A (2 quarts) is incorrect because 2 quarts is only half of a gallon. Choice C (3 quarts) is incorrect because 3 quarts is three-quarters of a gallon. Choice D (1 quart) is incorrect because 1 quart is only a quarter of a gallon.
Question 2 of 5
What is the official name of the metric system?
Correct Answer: B
Rationale: The correct answer is B: International System of Units (SI). This is because the SI system is the internationally recognized standard for units of measurement. It is based on seven base units, from which all other units are derived. It provides a consistent and coherent framework for measurements across different fields of science and technology. Choice A (International Measurement System) is incorrect because the official name does not include the word "measurement." Choice C (Metric Unit System) is incorrect because while the metric system is a component of the SI system, it does not encompass all the units used in the SI system. Choice D (Measurement System of Units) is incorrect as it does not accurately reflect the comprehensive nature of the SI system.
Question 3 of 5
How many quarts are equivalent to 2 liters?
Correct Answer: A
Rationale: The correct answer is A: 1.06 quarts. To convert liters to quarts, we use the conversion factor 1 liter = 1.05668821 quarts. Therefore, 2 liters would be approximately 2.11337642 quarts, which can be rounded to 1.06 quarts. The other choices are incorrect because B (0.5 quarts), C (2.1 quarts), and D (4 quarts) do not accurately represent the conversion of 2 liters to quarts based on the conversion factor.
Question 4 of 5
Convert 0.875 to a fraction,
Correct Answer: A
Rationale: To convert 0.875 to a fraction, we first note that the decimal places indicate the denominator. Since there are three decimal places, the denominator is 10^3 = 1000. Then, 0.875 = 875/1000, which simplifies to 7/8 by dividing both the numerator and denominator by 125. Therefore, the correct answer is A (7/8). The other choices are incorrect because B (8/7) is the reciprocal of the correct answer, C (3/4) and D (9/10) do not equal 0.875.
Question 5 of 5
What does the prefix 'milli' mean?
Correct Answer: B
Rationale: The prefix 'milli' denotes 1/1000, which is equivalent to 0.001. This means that any unit following 'milli' is divided by 1000. Therefore, the correct answer is B, 0.001. Choice A (0.01) is incorrect as it represents the prefix 'centi,' which means 1/100. Choice C (0.0001) is incorrect as it represents the prefix 'micro,' which means 1/1,000,000. Choice D (0.00001) is incorrect as it represents the prefix 'nano,' which means 1/1,000,000,000.
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