HESI A2
HESI A2 Quizlet Math
1. Convert 5 3/4 to a decimal. Round to the nearest tenth.
- A. 5.75
- B. 5.7
- C. 5.8
- D. 6
Correct answer: C
Rationale: To convert 5 3/4 to a decimal, divide the numerator (3) by the denominator (4) to get 0.75. Adding this to the whole number 5 results in 5.75. When rounding to the nearest tenth, 5.75 rounds to 5.8. Therefore, the correct answer is 5.8. Choice A, 5.75, is the result before rounding to the nearest tenth. Choice B, 5.7, is incorrect as it does not account for the 0.05 difference when rounding. Choice D, 6, is the next whole number and is not the correct decimal equivalent of 5 3/4.
2. Which word correctly completes the sentence? "Be careful not to ___ the bottle while you carry it to the table."
- A. Brak
- B. Break
- C. Brick
- D. Brake
Correct answer: B
Rationale: The correct answer is "Break." In this context, 'break' is the appropriate word as it means to damage or shatter something. The other choices are incorrect: 'Brak' is a misspelling, 'Brick' is unrelated to the context of the sentence, and 'Brake' refers to a device used to slow down or stop movement, which is not relevant to carrying a bottle to the table.
3. A spring has a spring constant of 20 N/m. How much force is needed to compress the spring from 40 cm to 30 cm?
- A. 200 N
- B. 80 N
- C. 5 N
- D. 2 N
Correct answer: D
Rationale: The change in length of the spring is 40 cm - 30 cm = 10 cm = 0.10 m. The force required to compress or stretch a spring is given by Hooke's Law: F = k × x, where F is the force, k is the spring constant (20 N/m in this case), and x is the change in length (0.10 m). Substituting the values into the formula: F = 20 N/m × 0.10 m = 2 N. Therefore, the correct answer is 2 N. Choice A (200 N) is incorrect because it miscalculates the force. Choice B (80 N) is incorrect as it does not apply Hooke's Law correctly. Choice C (5 N) is incorrect as it underestimates the force required.
4. What is the author’s primary purpose in writing the essay about Sunny-Side Up?
- A. To persuade.
- B. To reflect.
- C. To entertain.
- D. To inform.
Correct answer: D
Rationale: The author's primary purpose is to inform readers about the benefits of sunlight, including its role in vitamin D synthesis and other health benefits. While the passage does advocate for sunlight exposure, the primary aim is to provide information rather than persuade or entertain, making D the most accurate choice.
5. What does the term 'Sallow' mean in reference to skin?
- A. Has a reddish tint
- B. Has a yellowish tint
- C. Has a bluish tint
- D. Has a greenish tint
Correct answer: B
Rationale: Sallow skin refers to skin that has a yellowish tint. The term 'sallow' specifically describes a complexion that appears somewhat yellowish or unhealthy. Choice A, 'Has a reddish tint,' is incorrect as sallow skin is not reddish. Choice C, 'Has a bluish tint,' is incorrect as sallow skin is not bluish. Choice D, 'Has a greenish tint,' is incorrect as sallow skin is not greenish.
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