What is the main idea of the passage about High Fructose Corn Syrup?

Correct Answer: B

Rationale: The main idea of the passage about High Fructose Corn Syrup is that it may be contributing to obesity in America. This is evident from the information provided in the extract, which discusses how HFCS has been linked to health issues, including obesity. Choice A is incorrect because the passage primarily focuses on the potential health risks associated with HFCS consumption, not just the examination by the American Medical Association. Choice C is irrelevant as it only talks about the manufacturing process of HFCS, which is not the central theme of the passage. Choice D is incorrect as it emphasizes the preference of rats for HFCS, which is a minor point compared to the potential impact on human health, particularly in relation to obesity.

Correct Answer: A

Rationale: The correct answer is A: 'To inform.' The essay provides detailed information about High Fructose Corn Syrup (HFCS), discussing its impact on health, how it is derived, its link to health issues like obesity, and the ongoing debates surrounding its consumption and health implications. The primary goal of the author is to educate the readers about HFCS and its effects, rather than persuade them to take a particular stance (choice B), entertain them (choice C), or analyze the topic in depth (choice D). The essay presents facts, studies, and expert opinions to inform the audience about the controversies and health risks associated with HFCS consumption, aiming to enhance the readers' knowledge and understanding of this sweetener's implications on health.

Correct Answer: B

Rationale: The best summary of the passage is choice B. The passage discusses concerns about the impact of high fructose corn syrup (HFCS) on health, particularly its link to obesity. It mentions a recent study on rats that confirms suspicions about HFCS contributing to unhealthful weight gains. Choices A, C, and D are incorrect as they introduce recommendations or implications not explicitly mentioned in the passage. Choice A goes beyond the information by stating that scientists recommend removing HFCS from grocery products, choice C suggests that using HFCS is preferable until more research is done, and choice D implies immediate healthful results on overweight patients by avoiding HFCS, as suggested by the AMA, which is not supported by the passage.

Correct Answer: C

Rationale: Elasticity, as used in the passage about Hypertension, refers to the stretchiness or flexibility of blood vessels. The text mentions that blood vessels lose elasticity and stiffen as a person ages, indicating that they become less flexible. This eliminates choices A and D (Firmness and Rigidity) as the correct answers. Choice B (Compactness) is unrelated to the concept of elasticity in the context of blood vessels and is therefore incorrect. Understanding elasticity as the ability to stretch or flex helps in choosing flexibility as the correct answer.

Correct Answer: D

Rationale: The best title for the passage about Hypertension is 'Causes, Symptoms, Complications, and Management of Hypertension.' This title accurately reflects the content of the passage, which provides information about the causes, symptoms, complications, and management of hypertension. It covers a broad spectrum of information presented in the passage, making it the most comprehensive and suitable title. Choice A, 'How to Manage Hypertension Successfully,' is too narrow as it focuses solely on management without encompassing the other crucial aspects like causes and symptoms. Choice B, 'Doctors Discover the Hidden Dangers of Hypertension,' is misleading as the passage does not focus on any recent discoveries but rather provides general information about hypertension. Choice C, 'Doctors Work to Understand the Causes of Hypertension,' is also inaccurate as the passage mainly discusses causes, symptoms, complications, and management, rather than doctors' ongoing research efforts.