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 MRSA?
- A. Methicillin-resistant Staphylococcus aureus (MRSA) is a significant problem both within and outside of hospitals, and there are ways to mitigate the risk.
- B. A new textile made of nanomaterials could significantly reduce the spread of hospital-associated MRSA infections.
- C. There are multiple strains of MRSA, and they pose various risks beyond just fatality.
- D. MRSA is a significant problem both within and outside of hospitals, but there are ways to mitigate the risk.
Correct answer: D
Rationale: The main idea of the passage is that MRSA is a significant issue both within and outside of hospitals. It highlights the challenges posed by MRSA, including its resistance to antibiotics, high mortality rates, and widespread presence in various settings. While the development of new technologies like nanomaterial textiles shows promise in reducing hospital-associated MRSA, the passage also emphasizes the importance of practicing good hygiene to prevent community-associated MRSA infections. Choices A, B, and C are incorrect because they do not capture the comprehensive overview of MRSA provided in the passage. Choice A encompasses the main idea by emphasizing the significance of MRSA and ways to mitigate the risk. Choice B focuses on a specific solution rather than the broader issue of MRSA. Choice C is incorrect as it oversimplifies the risks associated with MRSA strains by only mentioning fatality.
3. What is the meaning of the word "pulses" as it appears in the first paragraph?
- A. The regular throbbing of the arteries caused by successive contractions of the heart
- B. The general attitude of the public or a specific population toward health concerns
- C. The edible seeds produced by legumes such as peas, beans, or lentils
- D. Any type of food with animal origins such as butter, honey, or eggs
Correct answer: C
Rationale: In the context of the passage, "pulses" refers to the edible seeds produced by legumes.
4. What is implied about Benjamin Franklin in the passage on Daylight Savings Time?
- A. Benjamin Franklin opposed the idea of Daylight Savings Time.
- B. Benjamin Franklin was the first to implement Daylight Savings Time.
- C. Benjamin Franklin proposed the idea of Daylight Savings Time.
- D. Benjamin Franklin had no role in Daylight Savings Time.
Correct answer: C
Rationale: The correct answer is C. The passage states that Benjamin Franklin first suggested the introduction of Daylight Savings Time in the 18th century. However, the first serious proposal came in 1907 from William Willet. Franklin's idea was not implemented during his lifetime, but he did propose the concept. Therefore, choices A, B, and D are incorrect. Choice A is incorrect because Franklin did not oppose the idea. Choice B is incorrect because he was not the first to implement it. Choice D is incorrect because he did have a role in proposing the idea.
5. Which statement would not be inferred by the reader in the passage about Hypertension?
- A. Maintaining a healthy weight may help to prevent hypertension.
- B. There is presently no reliable treatment for hypertension.
- C. Your ethnicity may contribute to your risk for hypertension.
- D. A 60-year-old is more likely to have hypertension than a teenager is.
Correct answer: B
Rationale: The correct answer is B. The passage clearly states that there are treatments for hypertension, so the statement that there is presently no reliable treatment for hypertension cannot be inferred from the text. Choice A can be inferred from paragraph 3 where it mentions losing weight to decrease blood pressure. Choice C can be inferred from paragraph 1 where it states that African Americans are more likely to have hypertension. Choice D can be inferred from paragraph 2 where it explains that older people are most often diagnosed with hypertension due to changes in blood vessels as they age.
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