ATI TEAS 7
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
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 grams are in one kilogram?
Correct Answer: B
Rationale: The correct answer is B: 1000 grams. This is because there are 1000 grams in one kilogram. The prefix "kilo-" signifies 1000 in the metric system. Therefore, when converting from kilograms to grams, we multiply by 1000. The other choices are incorrect because A (100 grams) is the conversion from decagrams to grams, C (500 grams) is not the correct conversion from kilograms, and D (2000 grams) is the equivalent of 2 kilograms, not 1 kilogram. Thus, B is the correct answer.
Question 4 of 5
How many milliliters are in 0.5 liters?
Correct Answer: A
Rationale: To convert liters to milliliters, you need to multiply by 1000 since there are 1000 milliliters in 1 liter. Therefore, to find how many milliliters are in 0.5 liters, you would multiply 0.5 by 1000 which equals 500 ml. This makes choice A, 500 ml, the correct answer. Choices B, C, and D are incorrect because they do not correctly convert liters to milliliters. Choice B (50 ml) is 10 times less than the correct answer, choice C (5 ml) is 100 times less, and choice D (0.5 ml) is 1000 times less than the correct answer.
Question 5 of 5
Convert 0.5 centimeters to millimeters.
Correct Answer: A
Rationale: To convert centimeters to millimeters, you multiply by 10 since 1 cm = 10 mm. Therefore, 0.5 cm * 10 mm/cm = 5 mm. Choice A (5 mm) is correct. Choice B (0.5 mm) is incorrect as it represents the original value in millimeters. Choice C (50 mm) is incorrect as it is 10 times greater than the correct value. Choice D (0.05 mm) is incorrect as it is 100 times smaller than the correct value.
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