Nursing Metric Conversions

Questions 50

ATI TEAS 7

ATI TEAS 7 Test Bank

Nursing Metric Conversions Questions

Question 1 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.

Question 2 of 5

What is 0.2 rounded to the nearest tenth?

Correct Answer: B

Rationale: The number 0.2 rounded to the nearest tenth means rounding to one decimal place. Since the digit after the tenths place is 0, we keep the tenths place as it is. Therefore, the correct answer is B: 0.2. A: 0.1 - Incorrect, this is rounding down to the nearest tenth. C: 0.3 - Incorrect, this is rounding up to the nearest tenth. D: 0.25 - Incorrect, this is rounding to the nearest hundredth, not tenth.

Question 3 of 5

What is 0.5 liters expressed in milliliters?

Correct Answer: B

Rationale: The correct answer is B: 500 ml. To convert liters to milliliters, you need to remember that 1 liter is equal to 1000 milliliters. Therefore, 0.5 liters is equal to 0.5 * 1000 = 500 milliliters. Option A (50 ml) is incorrect as it represents 0.05 liters, Option C (5 ml) is incorrect as it represents 0.005 liters, and Option D (0.5 ml) is incorrect as it represents 0.0005 liters.

Question 4 of 5

What is the correct formula to convert Fahrenheit to Celsius?

Correct Answer: B

Rationale: The correct formula to convert Fahrenheit to Celsius is C = (F - 32) x 5/9. To convert Fahrenheit to Celsius, you subtract 32 from the Fahrenheit temperature and then multiply by 5/9. This is because the freezing point of water is 32°F and 0°C, and the slope of the Fahrenheit to Celsius conversion is 5/9. Choice A (F = (C x 9/5) + 32) incorrectly reverses the formula for converting Celsius to Fahrenheit. Choice C (C = (F - 32) x 9/5) incorrectly uses the wrong multiplier. Choice D (F = (C + 32) x 5/9) incorrectly adds 32 before multiplying by 5/9.

Question 5 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.

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