ATI TEAS 7
Nursing Metric Conversions
1. Convert 3,540 liters to milliliters (mL).
- A. 354,000 mL
- B. 3,540,000 mL
- C. 35,400 mL
- D. 35,400,000 mL
Correct answer: B
Rationale: To convert liters to milliliters, you need to multiply by 1,000 because there are 1,000 milliliters in 1 liter. Therefore, 3,540 liters × 1,000 = 3,540,000 milliliters. Choices A, C, and D are incorrect because they do not correctly convert liters to milliliters. A, C, and D are off by a factor of 1,000, as they do not account for the conversion factor between liters and milliliters.
2. Which conversion is accurate?
- A. 1 inch = 2.5 cm
- B. 1 meter = 39.37 inches
- C. 1 liter = 1.057 quarts
- D. 1 gram = 100 milligrams
Correct answer: C
Rationale: The correct answer is C: '1 liter = 1.057 quarts.' This conversion is accurate as it reflects the precise relationship between liters and quarts, where 1 liter is slightly more than a quart. Choice A is incorrect because 1 inch is approximately equal to 2.54 cm, not 2.5 cm. Choice B is incorrect as 1 meter is equivalent to approximately 39.37 inches, not exactly. Choice D is also inaccurate as 1 gram is equal to 1000 milligrams, not 100 milligrams.
3. Convert 25 millimeters to centimeters.
- A. 250 cm
- B. 25 cm
- C. 2.5 mm
- D. 25 mm
Correct answer: D
Rationale: To convert millimeters to centimeters, you need to divide by 10 because there are 10 millimeters in one centimeter. Therefore, 25 millimeters is equal to 25/10 = 2.5 centimeters, making choice D the correct answer. Choice A (250 cm) is incorrect as it incorrectly multiplies instead of dividing by 10. Choice B (25 cm) is also incorrect as it doesn't convert millimeters to centimeters. Choice C (2.5 mm) is incorrect as it provides the measurement in millimeters rather than centimeters.
4. Convert 0.29 pounds to ounces.
- A. 2.9 ounces
- B. 4.64 ounces
- C. 29 ounces
- D. 46.4 ounces
Correct answer: B
Rationale: To convert pounds to ounces, you need to know that there are 16 ounces in a pound. Multiplying 0.29 pounds by 16 gives you 4.64 ounces. Therefore, the correct answer is B. Choice A (2.9 ounces) is incorrect as it doesn't consider the conversion factor of 16 ounces per pound. Choice C (29 ounces) and Choice D (46.4 ounces) are incorrect because they incorrectly interpret the conversion from pounds to ounces.
5. How many kilograms are in 1,500 grams?
- A. 0.15 kg
- B. 1.5 kg
- C. 15 kg
- D. 150 kg
Correct answer: B
Rationale: To convert grams to kilograms, you divide by 1,000 since there are 1,000 grams in a kilogram. Therefore, 1,500 grams divided by 1,000 equals 1.5 kilograms, making choice B the correct answer. Choices A, C, and D are incorrect because they do not correctly convert grams to kilograms.
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