HESI A2
HESI A2 Quizlet Math
1. Sarah had 1 quart of milk. How many ounces of milk is that?
- A. 16 ounces
- B. 24 ounces
- C. 32 ounces
- D. 48 ounces
Correct answer: C
Rationale: The correct answer is 32 ounces. One quart is equivalent to 32 ounces. To convert quarts to ounces, you need to know that 1 quart equals 32 ounces. Therefore, 1 quart of milk is equal to 32 ounces. Choices A, B, and D are incorrect as they do not accurately convert 1 quart to ounces.
2. Subtract and simplify: 8¼ − 1½.
- A. 4¼
- B. 6¾
- C. 6â…ž
- D. 7¼
Correct answer: A
Rationale: To subtract mixed numbers, convert them to improper fractions. 8¼ = 33/4 and 1½ = 3/2. Subtracting, we get 33/4 - 3/2 = 33/4 - 6/4 = 27/4 = 6¾, which simplifies to 4¼. Therefore, the correct answer is 4¼. Choice B is incorrect as it represents the intermediate step of 6¾ before simplification. Choice C is incorrect as it is the result of the subtraction but not simplified. Choice D is incorrect as it is the original mixed number 7¼, not the simplified result.
3. A nurse needs to administer 0.8 milliliters of medication. The only available syringe measures in teaspoons. How many teaspoons should the nurse use?
- A. 0.2 teaspoons
- B. 0.4 teaspoons
- C. 0.6 teaspoons
- D. 0.8 teaspoons
Correct answer: B
Rationale: 1 milliliter is approximately equal to 0.2 teaspoons. To find out how many teaspoons are in 0.8 milliliters, we can set up a proportion: 0.8 milliliters * 0.2 teaspoons/1 milliliter = 0.16 teaspoons. Since 0.16 teaspoons is not one of the answer choices, we need to convert it to a more practical measurement. The closest option is 0.4 teaspoons, making it the correct answer. Choice A, 0.2 teaspoons, is incorrect because 0.8 milliliters is more than that. Choices C and D, 0.6 teaspoons and 0.8 teaspoons, respectively, are also incorrect based on the conversion factor of 1 milliliter to 0.2 teaspoons.
4. Subtract 12 - 7 & 4\5.
- A. 4 & 4\5
- B. 5 & 4\5
- C. 4 & 1\5
- D. 5 & 1\5
Correct answer: C
Rationale: 12 - 7 & 4\5 equals 4 & 1\5.
5. What is the result of multiplying 10 by 5?
- A. 65
- B. 50
- C. 45
- D. 55
Correct answer: B
Rationale: The correct answer is B. To find the result of multiplying 10 by 5, you perform the calculation: 10 × 5 = 50. Choices A, C, and D are incorrect because they do not represent the accurate product of 10 multiplied by 5.
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