HESI A2
Math HESI A2 Practice Test
1. If Kevin can wash 30 cars in 15 minutes, how many minutes will it take him to wash 100 cars?
- A. 50 minutes
- B. 55 minutes
- C. 30 minutes
- D. 45 minutes
Correct answer: A
Rationale: To find out how many minutes Kevin will take to wash 100 cars, set up a proportion: 30 cars is to 15 minutes as 100 cars is to x minutes. Cross multiplying gives 30x = 1500. Solving for x, x = 1500 / 30 = 50. Therefore, it will take Kevin 50 minutes to wash 100 cars. Choice A is correct. Choice B, C, and D are incorrect as they do not correctly calculate the time needed based on the given information.
2. Select the word or phrase that is misplaced in the sentence. There was a long fence behind the farmhouse made of crisscrossed logs.
- A. There
- B. a long fence
- C. the farmhouse
- D. made of crisscrossed logs
Correct answer: C
Rationale: In the sentence, the phrase 'the farmhouse' is misplaced because it should come before 'behind' to clarify the location properly. The corrected sentence should read, 'There was a long fence behind the farmhouse made of crisscrossed logs.' Placing 'the farmhouse' after 'behind' creates a clearer and more logical sentence structure. Choice A, 'There,' is correct in its placement at the beginning of the sentence. Choice B, 'a long fence,' is also correctly positioned as it describes the object being referred to. Choice D, 'made of crisscrossed logs,' is properly placed to provide additional detail about the fence.
3. Another word for SITE is?
- A. Severity
- B. Location
- C. Fortunate
- D. Appearance
Correct answer: B
Rationale: Another word for 'SITE' is 'Location.' In this context, 'site' typically refers to a place or area, making 'Location' the most appropriate synonym among the given choices. Choice A, 'Severity,' does not relate to the meaning of 'site' as a place or area. Choice C, 'Fortunate,' and Choice D, 'Appearance,' are also unrelated to the concept of 'site,' making them incorrect choices.
4. What is the primary function of the kidneys in the urinary system?
- A. To filter waste from the blood
- B. To produce urine
- C. To regulate blood pressure
- D. To absorb nutrients
Correct answer: A
Rationale: The correct answer is A: 'To filter waste from the blood.' The primary function of the kidneys in the urinary system is to filter waste products and excess substances from the blood, forming urine, which is then excreted from the body. Kidneys play a crucial role in maintaining the body's overall balance by filtering out waste, regulating fluid levels, and helping in the elimination of toxins. Choices B, C, and D are incorrect because while the kidneys do produce urine, regulate blood pressure, and help in nutrient absorption indirectly, their primary function is the filtration of waste from the blood.
5. Which part of the eye is responsible for color vision?
- A. Cornea
- B. Iris
- C. Retina
- D. Lens
Correct answer: C
Rationale: The correct answer is option C: Retina. The retina contains photoreceptor cells, including cones that are responsible for color vision. Cones are sensitive to different wavelengths of light, allowing us to perceive and differentiate various colors. Choice A, Cornea, is the transparent outer layer of the eye that helps focus light. It does not play a direct role in color vision. Choice B, Iris, is the colored part of the eye that controls the size of the pupil and regulates the amount of light entering the eye. While it is essential for adjusting light levels, it is not directly involved in color vision. Choice D, Lens, is responsible for focusing light onto the retina. It helps to form clear images on the retina but does not play a role in color vision.
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