HESI A2
HESI A2 Reading Comprehension V1 2024
1. Which statement is not listed as a detail within the passage?
- A. Changes in the ECG are typically used for the diagnosis of abnormal cardiac rhythm.
- B. The signal has a characteristic record called the electrocardiogram.
- C. The 'wave of excitation' starts at the SA node.
- D. The 'wave of excitation' spreads through the heart wall and is accompanied by electric changes.
Correct answer: A
Rationale: The corrected statement should be: Changes in the ECG are not typically used for the diagnosis of abnormal cardiac rhythm. The passage mentions that the heart sends out electric currents in waves, and the 'wave of excitation' spreads through the heart wall accompanied by electric changes. It details the process of how the heart's electric impulses are recorded and how abnormalities can be detected. However, it does not state that ECG changes are specifically used for diagnosing abnormal cardiac rhythms. Choice A is the correct answer because it misrepresents the information provided in the passage. Choices B, C, and D are all supported by the passage and align with the details mentioned regarding the electrocardiogram and the wave of excitation in the heart.
2. What is the meaning of the word 'pathogens' as it is used in the first paragraph?
- A. diseases
- B. vaccines
- C. disease-causing substances
- D. foods
Correct answer: C
Rationale: In the context provided, 'pathogens' refers to disease-causing substances such as bacteria and viruses. These microorganisms can contaminate food and lead to foodborne illnesses. Choice A ('diseases') is incorrect as pathogens themselves cause diseases but are not diseases. Choice B ('vaccines') is incorrect as vaccines are used to prevent diseases caused by pathogens. Choice D ('foods') is incorrect as pathogens are not foods, but rather contaminants that can be found in food.
3. Throughout this passage, the word suit means?
- A. A set of clothing.
- B. A group of cards in a deck.
- C. A legal case.
- D. A formal request.
Correct answer: B
Rationale: The correct answer is B. In the passage, the word 'suit' refers to one of the four groups of cards in a deck of playing cards. The passage explains how the suits of cards, such as spades, hearts, diamonds, and clubs, are used in the game of Bridge. Choice A, 'A set of clothing,' is incorrect as it does not relate to the context of playing cards. Choice C, 'A legal case,' and Choice D, 'A formal request,' are also incorrect as they have no relevance to the discussion of card games in the passage.
4. Which of the following is not listed as a detail in the passage?
- A. Many patients die each year from medical error.
- B. Lifewings Partners educates patients on consumer safety.
- C. Steve Harden is the founder of Lifewings Partners.
- D. The most common medical error is overmedication.
Correct answer: D
Rationale: The passage discusses the dangers of medical errors and provides specific examples of such errors but does not indicate that overmedication is the most common error. Therefore, since option D is not supported by the text, it is the correct choice for what is not mentioned.
5. Which sound waves have a lower pitch?
- A. Those waves that are closer together
- B. Those waves that are farther apart
- C. Those waves that travel a long distance
- D. Those waves that travel a short distance
Correct answer: B
Rationale: Sound waves that are farther apart have a lower pitch. The Doppler Effect explains that as objects emitting sound move away, the sound waves become more spaced out, resulting in a lower frequency and a lower pitch. Choice A is incorrect because waves that are closer together have a higher frequency and a higher pitch. Choices C and D are not directly related to determining the pitch of sound waves.
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