HESI A2
HESI A2 Math Practice
1. How many pounds are in 192 ounces?
- A. 16 pounds
- B. 10 pounds
- C. 12 pounds
- D. 16 pounds
Correct answer: C
Rationale: To convert ounces to pounds, divide the number of ounces by 16 since there are 16 ounces in a pound. Therefore, 192 ounces รท 16 = 12 pounds. Choice A, 16 pounds, is incorrect because it does not represent the correct conversion from ounces to pounds. Choice B, 10 pounds, is incorrect as it is not the result of dividing 192 ounces by 16. Choice D, 16 pounds, is the same as choice A and is incorrect in the context of this conversion.
2. What is true about caloric intake for the average person?
- A. It should increase with age.
- B. It should decline and then increase with age.
- C. It should decline with age.
- D. It should remain constant over a lifetime.
Correct answer: C
Rationale: Caloric intake for the average person typically declines with age due to factors such as changes in metabolism, muscle mass, and physical activity levels. As people age, their metabolism tends to slow down, and they may also experience a decrease in muscle mass and physical activity, leading to a reduced need for calories. Option A is incorrect because caloric intake generally decreases rather than increases with age. Option B is incorrect as it suggests a fluctuation in caloric intake that is not typically seen. Option D is incorrect as caloric needs usually change over a person's lifetime due to various factors.
3. What is the coefficient of O after the following equation is balanced?
- A. 1
- B. 2
- C. 3
- D. 4
Correct answer: A
Rationale: In a balanced chemical equation, the coefficient of oxygen (O) in O2 is already 2, so there is no need to adjust its coefficient further. Therefore, the coefficient of O remains as 1. Since the coefficient of O2 is 2, each O atom is represented by the coefficient of 1, and it does not change during the balancing process. Choices B, C, and D are incorrect as they suggest changing the coefficient of oxygen, which is not necessary for O2 in a balanced equation.
4. What is stated about Benjamin Franklin's role in Daylight Savings Time?
- A. Benjamin Franklin invented Daylight Savings Time.
- B. Benjamin Franklin proposed the concept of Daylight Savings Time.
- C. Benjamin Franklin opposed Daylight Savings Time.
- D. Benjamin Franklin had no connection to Daylight Savings Time.
Correct answer: B
Rationale: Benjamin Franklin is credited with proposing the idea of Daylight Savings Time, as stated in the extract. However, it was not implemented during his lifetime. Choice A is incorrect because he proposed, not invented, Daylight Savings Time. Choice C is incorrect as there is no mention of Franklin opposing it. Choice D is incorrect as the extract clearly states his connection to the proposal of Daylight Savings Time.
5. How many millimeters are in 5 meters?
- A. 5000 mm
- B. 4000 mm
- C. 5500 mm
- D. 6000 mm
Correct answer: A
Rationale: To convert meters to millimeters, you multiply by 1000 since there are 1000 millimeters in 1 meter. Therefore, 5 meters multiplied by 1000 equals 5000 millimeters. Choice A is correct as it represents the accurate conversion from meters to millimeters. Choices B, C, and D are incorrect as they do not provide the correct conversion factor from meters to millimeters.
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