ATI TEAS 7
Nursing Metric Conversions Questions
Question 1 of 5
Convert 0.2 liters to milliliters.
Correct Answer: B
Rationale: To convert liters to milliliters, you need to multiply by 1000 since 1 liter equals 1000 milliliters. So, 0.2 liters x 1000 = 200 milliliters, making choice B the correct answer. Choice A is incorrect as it represents 0.02 liters. Choice C is incorrect as it represents 0.002 liters. Choice D is incorrect as it represents 2 liters, not 0.2 liters.
Question 2 of 5
The SI prefixes micro and milli represent, respectively:
Correct Answer: A
Rationale: The SI prefix "micro" represents 10^-6 and "milli" represents 10^-3. To understand this, recall that "micro" comes from the Greek word for small, and it signifies a factor of 1/1,000,000 (10^-6). On the other hand, "milli" indicates a factor of 1/1,000 (10^-3). Therefore, the correct answer is A: 10^-6 and 10^-3. Choice B (10^-9 and 10^-6) is incorrect because it confuses the values of micro and nano prefixes. Choice C (10^-12 and 10^-9) is incorrect as it mixes up the prefixes for pico and nano. Choice D (10^-15 and 10^-12) is incorrect as it refers to femto and pico prefixes, respectively.
Question 3 of 5
How many ounces are in 2 quarts?
Correct Answer: C
Rationale: To convert from quarts to ounces, you need to know that 1 quart is equal to 32 ounces. Therefore, 2 quarts would be 2 * 32 = 64 ounces. The correct answer is C (16 ounces) because it is the only option that correctly states the conversion from quarts to ounces. Option A (8 ounces) is incorrect as it is half of the correct answer. Option B (32 ounces) is incorrect as it represents the amount in 1 quart, not 2 quarts. Option D (64 ounces) is incorrect as it corresponds to the total number of ounces in 2 quarts, not the conversion from quarts to ounces.
Question 4 of 5
What is 0.025 mg converted to micrograms?
Correct Answer: A
Rationale: To convert mg to mcg, you multiply by 1000 since 1 mg = 1000 mcg. Therefore, 0.025 mg * 1000 = 25 mcg, which is choice A. Choice B is incorrect as it incorrectly multiplies by 10 instead of 1000. Choice C is incorrect as it incorrectly divides by 10. Choice D is incorrect as it incorrectly divides by 100 instead of multiplying by 1000.
Question 5 of 5
How many centimeters are in 0.25 meters?
Correct Answer: B
Rationale: To convert meters to centimeters, we know that 1 meter is equal to 100 centimeters. Therefore, to find how many centimeters are in 0.25 meters, we multiply 0.25 by 100, giving us 25 centimeters. Explanation for incorrect choices: A: 2.5 cm - Incorrect because 0.25 meters is equivalent to 25 cm. C: 250 cm - Incorrect because multiplying 0.25 by 100 gives 25 cm, not 250 cm. D: 0.25 cm - Incorrect because this doesn't follow the conversion from meters to centimeters.
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