ATI TEAS 7
Metric Conversions for TEAS 7
1. How many ounces are in one pint?
- A. 12 ounces
- B. 16 ounces
- C. 8 ounces
- D. 20 ounces
Correct answer: B
Rationale: The correct answer is B: 16 ounces. One pint is equivalent to 16 ounces. This is a common conversion in cooking and baking measurements. Choice A (12 ounces) is incorrect because it does not represent the correct conversion of pints to ounces. Choice C (8 ounces) is incorrect as it is not the correct equivalent for a pint. Choice D (20 ounces) is incorrect as it overestimates the number of ounces in a pint. Understanding these conversions is essential when following recipes or working with liquid measurements in various contexts.
2. What mnemonic helps in recalling metric conversions?
- A. King Hector Died By Drinking Chocolate Milk
- B. Kittens Have Delighted By Dancing Cool Moves
- C. Memorize Your Units Well
- D. Convert These Every Time
Correct answer: A
Rationale: The mnemonic 'King Hector Died By Drinking Chocolate Milk' aids in recalling metric prefixes in order: kilo-, hecto-, deca-, base (meter, liter, gram), deci-, centi-, milli-. Choice B does not provide a relevant mnemonic for metric conversions. Choices C and D do not offer a helpful phrase for remembering metric prefixes, making them incorrect.
3. Convert 345 kilometers to meters (m).
- A. 345,000 m
- B. 34,500 m
- C. 34,500,000 m
- D. 345,000,000 m
Correct answer: B
Rationale: To convert kilometers to meters, you need to multiply by 1,000 since there are 1,000 meters in a kilometer. Therefore, 345 km multiplied by 1,000 equals 345,000 meters. Choice A is incorrect as it incorrectly places the comma. Choice C is incorrect as it adds an extra zero at the end. Choice D is incorrect as it adds an extra zero at the beginning, resulting in an incorrect conversion.
4. How many grams are in 1 kilogram?
- A. 10 grams
- B. 100 grams
- C. 1,000 grams
- D. 10,000 grams
Correct answer: C
Rationale: The correct answer is C: 1,000 grams. The metric system follows a logical conversion where 1 kilogram is equal to 1,000 grams. This conversion is a fundamental concept in understanding units of measurement. Choices A, B, and D are incorrect because they do not accurately reflect the conversion between kilograms and grams. Option A (10 grams) is incorrect as it represents 1/100th of the correct conversion. Option B (100 grams) is also incorrect as it represents 1/10th of the correct conversion. Option D (10,000 grams) is significantly higher than the actual conversion, making it incorrect. Understanding these basic unit conversions is essential for various fields where precise measurements are necessary.
5. What is the equivalent of 0.3 mg in mcg?
- A. 300 mcg
- B. 30 mcg
- C. 3000 mcg
- D. 3 mcg
Correct answer: A
Rationale: To convert milligrams (mg) to micrograms (mcg), you need to multiply by 1000 since 1 mg is equal to 1000 mcg. Therefore, 0.3 mg x 1000 = 300 mcg. This conversion is crucial in healthcare to ensure accurate medication dosages. Choice B (30 mcg) is incorrect as it represents the conversion of 0.03 mg to mcg. Choice C (3000 mcg) is incorrect as it is the result of multiplying 0.3 mg by 10 instead of 1000. Choice D (3 mcg) is incorrect as it is the result of not multiplying by 1000 to convert milligrams to micrograms.
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