HESI A2
HESI A2 Reading Comprehension 2024
1. What does the term inhibitors mean, as used in the second paragraph?
- A. Protectors
- B. Deterrents
- C. Stressors
- D. Transporters
Correct answer: B
Rationale: Inhibitors refer to substances that slow down or prevent a particular process, in this case, the buildup of uric acid.
2. Which of the following is a conclusion that a reader can draw from this passage?
- A. Humans are not the only mammals that exhibit symptoms when infected by Borrelia burgdorferi.
- B. The life cycle of an uninfected tick includes a dormant phase before the nymph stage, which is not excluded.
- C. Unless a tick feeds on an infected mouse or squirrel, it will not spread Lyme disease.
- D. The combination of fever, headache, and joint pain is not a definite indication of Lyme disease.
Correct answer: C
Rationale: The correct answer is C. The passage clearly states that for Lyme disease to spread, a tick must feed on an infected host, such as a mouse or squirrel. This conclusion can be drawn from the information provided in the extract. Choice A is incorrect because the passage does not specify that humans are the only mammals that exhibit symptoms when infected by Borrelia burgdorferi. Choice B is incorrect as the passage mentions that the life cycle of an uninfected tick includes a dormant phase before the nymph stage, without excluding it. Choice D is incorrect because the passage does not state that the combination of fever, headache, and joint pain is a definitive sign of Lyme disease.
3. The author suggests that persistent passivity and imperturbability may be a direct result of which of the following?
- A. Drug-induced stimulation of the amygdala.
- B. A stroke that resulted in severe tissue damage in the limbic system.
- C. Encephalitis as a result of head trauma.
- D. Activation of a strategically implanted electrode in a patient’s amygdala.
Correct answer: B
Rationale: The correct answer is B. The passage highlights that damage to the limbic system, specifically the amygdala, can lead to passivity and lack of aggression. This is supported by the statement that patients with trauma or damage to the amygdala exhibit a complete absence of aggression. Thus, a stroke causing severe tissue damage in the limbic system, including the amygdala, can result in persistent passivity and imperturbability. Choices A, C, and D are incorrect because they do not directly relate to damage in the limbic system, which is specifically mentioned in the passage as the cause of the described behaviors.
4. What is the major difference between matter at the nanoscale and matter at larger scales such as millimeters or inches?
- A. At the nanoscale, metals are rigid, and at larger scales, they are bendable.
- B. Matter has different and special characteristics at the nanoscale.
- C. At the nanoscale, matter has different properties than matter at the atomic level.
- D. There is no difference.
Correct answer: B
Rationale: The correct answer is B. Matter at the nanoscale exhibits unique and special characteristics that distinguish it from matter at larger scales. This can include properties like increased surface area, different melting points, altered conductivity, and enhanced reactivity. Choice A is incorrect as metals at the nanoscale can be more rigid compared to their larger scale counterparts. Choice C is incorrect because matter at the nanoscale has properties that are distinct from both atomic and larger scales. Choice D is incorrect as there are significant differences in how matter behaves and interacts at the nanoscale compared to larger scales.
5. What is the main idea of the passage about Aromatherapy—Fact or Fiction?
- A. Aromatherapy is not a legitimate therapy by anyone’s standards.
- B. Lemon and lavender are not healthy scents to inhale or use.
- C. More studies are needed to determine if aromatherapy is truly beneficial.
- D. Adding aromatherapy to regular treatment will help speed healing.
Correct answer: C
Rationale: The main idea of the passage revolves around the skepticism regarding the efficacy of aromatherapy. The mention of needing more studies to determine its true benefits suggests that the current findings are inconclusive. This aligns with choice C, which reflects the need for further research to validate the claims associated with aromatherapy.
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