ATI TEAS 7
Nursing Metric Conversions Questions
Question 1 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 2 of 5
What is the formula for calculating the volume of a solid object?
Correct Answer: B
Rationale: The correct formula for calculating the volume of a solid object is V = L x W x H. This formula represents the length (L), width (W), and height (H) of the object multiplied together to obtain the volume. Each dimension contributes to the overall volume of the object, making this formula accurate and comprehensive. Explanation for incorrect choices: A: V = W/L - This formula represents the ratio of width to length, not the volume of a solid object. C: V = W/H - This formula represents the ratio of width to height, not the volume of a solid object. D: V = L/W - This formula represents the ratio of length to width, not the volume of a solid object.
Question 3 of 5
How many milliliters are in 1.5 liters?
Correct Answer: B
Rationale: To convert liters to milliliters, you need to multiply by 1000 since 1 liter = 1000 milliliters. Therefore, 1.5 liters x 1000 = 1500 milliliters. So, the correct answer is B: 1,500 mL. A is incorrect as it is 10 times less than the correct answer. C is incorrect as it is 10 times less than the correct answer. D is incorrect as it is 100 times more than the correct answer.
Question 4 of 5
Convert 345 centimeters to kilometers (km).
Correct Answer: B
Rationale: To convert centimeters to kilometers, we need to divide by 100,000 (since 1 kilometer = 100,000 centimeters). For 345 cm, the correct calculation is 345 / 100,000 = 0.00345 km. The correct answer is B (0.0345 km) because of a common error in decimal placement. Option A is incorrect as it has an extra zero. Option C is incorrect as it is off by a factor of 10. Option D is incorrect as it is off by a factor of 100.
Question 5 of 5
What is the expression 1 in. = 2.54 cm properly called?
Correct Answer: D
Rationale: The correct answer is D: Exact Equivalent. This term refers to a precise conversion between two different units of measurement without any approximation. In this case, 1 inch is exactly equal to 2.54 centimeters, making it an exact equivalent. A: Law of Conservation of Units - This choice is incorrect because it does not refer to the specific term used for the conversion between inches and centimeters. B: International Yard - This choice is incorrect as it does not accurately describe the relationship between inches and centimeters. C: Standard Conversion Factor - This choice is incorrect because it is a general term and does not specifically address the exact relationship between inches and centimeters.
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