HESI A2
HESI A2 Grammar Practice Exam
1. What word is best to substitute for the underlined words in the following sentence? You can hear the nurses’ laughter all the way down the hallway.
- A. his
- B. hers
- C. them
- D. their
Correct answer: D
Rationale: The phrase 'the nurses’ laughter' indicates possession by the nurses, a plural subject. Therefore, the appropriate possessive pronoun to use in this context is 'their,' which correctly reflects possession by multiple nurses. Choice A ('his') is singular and refers to a male subject, not suitable for a group of nurses. Choice B ('hers') is singular and refers to a female subject, not suitable for a group of nurses. Choice C ('them') is a pronoun used for a group of people, but it doesn't indicate possession as required in the sentence.
2. If a patient has SALLOW skin, what is true?
- A. Her skin has a yellow tint
- B. Her skin has a blue tint
- C. Her skin has a red tint
- D. Her skin has a green tint
Correct answer: A
Rationale: Sallow skin is a term used to describe skin that appears yellowish in color. This discoloration can be due to various factors, such as an underlying health condition, poor circulation, or certain medications. Observing sallow skin can be an important clinical indicator that prompts further investigation into the patient's overall health status. Choice B, blue tint, is incorrect as sallow skin is not associated with a blue color. Choice C, red tint, and Choice D, green tint, are also incorrect as sallow skin specifically refers to a yellowish complexion, not red or green.
3. Which enzyme functions to break down lactose, a specific sugar found in milk and dairy products?
- A. Catalase
- B. Lipase
- C. Protease
- D. Lactase
Correct answer: D
Rationale: Lactase is the enzyme responsible for breaking down lactose, a sugar present in milk and dairy products. When lactase breaks down lactose, it splits it into two simpler sugars, glucose, and galactose, which can then be absorbed and used by the body. Catalase is involved in breaking down hydrogen peroxide into water and oxygen. Lipase breaks down fats into fatty acids and glycerol. Protease breaks down proteins into amino acids. Therefore, choices A, B, and C are incorrect for the specific breakdown of lactose.
4. What is implied by the author's mention of the Kayapo people in the passage on the Amazon Rainforest?
- A. The Kayapo people destroy the environment for farming.
- B. The Kayapo people farm in an environmentally friendly way.
- C. The Kayapo people contribute to deforestation.
- D. The Kayapo people hunt animals for survival.
Correct answer: B
Rationale: The mention of the Kayapo people in the passage highlights how they farm in an environmentally friendly manner. Instead of using chemicals, they enrich the soil by burning wood and plant banana trees, attracting wasps that feed on harmful insects. This sustainable farming practice showcases their efforts to coexist with the rainforest ecosystem without causing harm. The other choices are incorrect: A is refuted by the passage as the Kayapo people are described as farming in an environmentally friendly way, C is incorrect as the passage does not mention the Kayapo people contributing to deforestation, and D is not supported by the text as there is no mention of the Kayapo people hunting animals for survival.
5. Which part of the brain monitors and controls the body's movement?
- A. Top, middle portion of the parietal lobe
- B. Back of the head
- C. Front portion of the parietal lobe
- D. Around the auditory cortex
Correct answer: C
Rationale: The correct answer is the front portion of the parietal lobe. The motor cortex, located in this area, is responsible for planning, controlling, and executing voluntary movements. It plays a crucial role in coordinating the body's movement. Choice A, the top, middle portion of the parietal lobe, is incorrect as this region is more involved in processing sensory information rather than controlling movement. Choice B, the back of the head, is incorrect as it typically refers to the occipital lobe responsible for processing visual information. Choice D, around the auditory cortex, is incorrect as the auditory cortex is primarily involved in processing auditory information, not controlling body movement.
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