Reading Comprehension Questions
Reading Comprehension Questions
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| Reading Comprehension Questions 473. c. Paragraph 2 states that normally, after the digestive system breaks down food into smaller molecules, including glucose otherwise known as sugar, the blood-sugar level rises. Insulin is then released from the pancreas, thus signaling tissues to metabolize the glucose. c. Type I diabetes is the insulin-dependent form of this condition. The minority of diabetics are afflicted with this form. They are diagnosed as children and must take daily injections of insulin to compensate for what their pancreases do not produce. a. The final paragraph says that there is no cure for diabetes, so choices b and d are incorrect. Choice c is a possibility, but consider the sound of the word soothe. It does not fit with the objective tone of the passage nearly as well as the word counteract. 476. c. In the first paragraph, the communication network of the millions of cells in the immune system is compared to bees swarming around a hive. b. All the answers indicate peaceful coexistence. However, according to the fifth sentence of paragraph 2, in this instance, the state is referred to as self-tolerance. 478. c. See the last paragraph. The substances known as allergens are responsible for triggering an inappropriate immune response to ragweed pollen. d. The last paragraph of the passage mentions that an antigen announces its foreignness with intricate shapes called epitopes that protrude from the surface. a. Every individual’s immune system must learn to recognize and deal with non-self molecules through experience. However, the last section of paragraph 2 mentions that the immune system is capable of choices b, c, and d. 481. b. According to paragraph 2, the ability to distinguish between self and non-self is the heart of the immune system. This topic is setup in the first paragraph and further elucidated throughout the body of the passage. b. The last paragraph mentions that tissues or cells from another individual may act as antigens except in the case of identical twins whose cells carry identical self-markers. 6801_501_ReadingCompQuest_4E[fin].indd 239 3/18/10 1:35:01 PM |