Nokea
What is the author's primary purpose in writing this essay about microbes?
- A. To persuade
- B. To inform
- C. To entertain
- D. To analyze
Correct Answer: B
Rationale: The author's primary purpose is to inform readers about the crucial role of microorganisms in the immune system. The essay focuses on presenting factual information and recent discoveries regarding the impact of microbes on human health. The author aims to educate the readers on the significance of microbes in human health rather than persuade them of a particular viewpoint (Choice A), entertain them with light-hearted content (Choice C), or analyze in-depth data and findings (Choice D). The essay's emphasis on informing readers about the role of microorganisms in the immune system makes 'To inform' the correct choice.
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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.
What conclusion can a reader draw from this passage?
- A. It is advisable to choose unsaturated fats over saturated fats.
- B. Saturated fats are more calorically dense than unsaturated fats.
- C. Trans fats are more calorically dense than saturated fats.
- D. Unsaturated fats are mostly found in animal products.
Correct Answer: A
Rationale: The correct conclusion that can be drawn from the passage is that it is advisable to choose unsaturated fats over saturated fats. The passage emphasizes the health benefits of unsaturated fats, such as lowering cholesterol levels and reducing the risk of heart disease. It also mentions that saturated fats, although not as healthy as unsaturated fats, should still be consumed sparingly. Trans fats are highlighted as the least healthy fats, increasing the risk of heart disease. Choice B is incorrect because the passage does not explicitly compare the caloric density of saturated and unsaturated fats. Choice C is incorrect as the passage does not discuss the caloric density of trans fats in comparison to saturated fats. Choice D is incorrect as the passage states that unsaturated fats are found in sources like olive oil, walnut oil, and avocado oil, not mostly in animal products.
Which of the following is not mentioned as being important for seniors?
- A. Vitamin B12
- B. Calcium
- C. Nitrates
- D. Exercise
Correct Answer: C
Rationale: The passage lists important nutrients for seniors, including fiber, calcium, vitamin D, and B12, while exercise is also discussed as crucial for health. However, nitrates are not mentioned at all, making option C correct since it stands out as the only nutrient not discussed in the context of seniors' health
What is the main idea of the passage about microbes?
- A. Recent discoveries are revealing the critical role of microorganisms in maintaining a properly functioning immune system.
- B. The human body is host to a staggering number of microorganisms.
- C. Bacteriotherapy reintroduces healthy bacteria into a colon lacking the capability to defend against pathogenic agents.
- D. Early research has shown remarkable discoveries in the possibilities of bacteriotherapy.
Correct Answer: A
Rationale: The main idea of the passage is that recent discoveries are shedding light on the pivotal role of microorganisms in maintaining a properly functioning immune system. The passage discusses how the human body hosts a wide array of microorganisms, emphasizes the importance of these bacteria in the development of the immune system, and explores the potential applications of bacteriotherapy. Choice A is the correct answer because it accurately reflects the central theme discussed in the passage. Choices B, C, and D are incorrect because they focus on specific details or applications mentioned in the passage, rather than capturing the overarching theme of the critical role of microorganisms in immune system function.
What is the meaning of the word overturn in the last paragraph of the passage?
- A. Justify
- B. Invalidate
- C. Support
- D. Review
Correct Answer: B
Rationale: Overturn in this context means invalidate, referring to whether the study is strong enough to change existing guidelines.