HESI A2
HESI A2 Reading Comprehension V1 2024
1. What is the best summary of the passage?
- A. Electric currents within the body are due to electrostatic charges set off by the heart. Medical staff are trained to recognize any abnormalities within the heart.
- B. Every individual has unique electric currents on the surface of the body. The ECG measures and records these electric currents.
- C. The ECG systematically and rather quickly measures the stages at which the 'wave of excitation' occurs within the heart and records them. This wave has three distinct steps that spread from the SA node to the AV node.
- D. The ECG measures the electric currents within the body. These currents are detected on the surface of the body when the body is connected to an amplifier.
Correct answer: C
Rationale: The correct summary of the passage is option C. The passage explains how the ECG systematically measures and records the 'wave of excitation' that occurs within the heart in three distinct steps, spreading from the SA node to the AV node. This summary effectively captures the main focus of the passage. Option A is incorrect because it only mentions the detection of electric currents in the body and recognizing abnormalities by medical staff, missing the key information about the 'wave of excitation' and its stages. Option B is incorrect as it focuses solely on the measurement and recording of unique electric currents on the body's surface, neglecting the specific process described in the passage. Option D is also incorrect as it provides a general description of how the ECG measures electric currents without emphasizing the specific stages of the 'wave of excitation' as detailed in the passage.
2. What is the main idea of the passage about Toxins and Your Health?
- A. Environmental toxins may have dire health effects over time.
- B. Of three toxins studied, lead has the worst effect on health.
- C. Toxins may accumulate in the bones of older patients.
- D. Johns Hopkins University has discovered a new use for lead.
Correct answer: A
Rationale: The passage emphasizes the long-term effects of environmental toxins such as lead, pesticides, and mercury on brain health, particularly as individuals age. Dr. Brian Schwartz's quote highlights the link between environmental exposure and cognitive decline, framing the entire discussion around the potential health ramifications of such exposure over time. This clearly aligns with choice A, making it the main idea of the passage.
3. Which statement from the selection presents a fact rather than an opinion?
- A. One of the worst voice qualities is harshness
- B. Harsh voice qualities usually come from too much tension in the throat and jaw
- C. Your voice will sound unpleasant if it is shrill, grating, hard, piercing, brassy, too loud, or too nasal
- D. Because tension occurs in higher pitched voices, women tend to have shriller voices than men, which usually makes them less desirable public speakers, newscasters, or political candidates
Correct answer: B
Rationale: Statement B, 'Harsh voice qualities usually come from too much tension in the throat and jaw,' presents a fact rather than an opinion. This statement provides a clear and objective observation about the potential cause of harsh voice qualities, based on physical tension in specific areas of the body, which can be objectively measured and identified. Choice A is an opinion as it states 'One of the worst voice qualities is harshness' without providing a verifiable basis. Choice C lists subjective descriptors of an unpleasant voice without stating a definite cause. Choice D introduces a gender-based assertion about voice quality, making it an opinion rather than a factual observation.
4. What is the meaning of the word compelling as used in the passage about Sunny-Side Up?
- A. Reasonable.
- B. Convincing.
- C. Common.
- D. Worthwhile.
Correct answer: B
Rationale: In this context, "compelling" refers to something that is convincing or persuasive. The passage presents a strong argument in favor of sunlight's benefits, particularly in relation to vitamin D synthesis. Therefore, B is the correct choice as it aligns with the author's intent to present a convincing argument.
5. What is the author’s attitude toward vegetarianism?
- A. Scoffing
- B. Positive
- C. Cautious
- D. Uninterested
Correct answer: B
Rationale: The author presents a positive view of vegetarianism, citing benefits and supporting evidence.
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