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What is the meaning of the word diminished as used in the passage about Concussions?
- A. Miniature.
- B. Reduced.
- C. Recurrent.
- D. Hollow.
Correct Answer: B
Rationale: Substitute the choices in place of the vocabulary word. Only
reduced (choice B) fits the context.
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Which of the following is not listed as a detail in the passage about Concussions?
- A. Football and lacrosse players suffer the most concussions.
- B. More than a million Americans a year suffer concussions.
- C. Concussions may result in diminished alertness.
- D. It may take longer to recover from a second concussion.
Correct Answer: A
Rationale: Skim the passage to identify the detail that does not appear. The
sports in choice A are never mentioned, so you do not even need to
look at the other choices.
Which might be a good title for this passage about Barefoot Running?
- A. Everyone Should Run Barefoot
- B. How to Prevent Running Injuries
- C. Modern Road Surfaces Versus Barefoot Running
- D. The Debate over Barefoot Running
Correct Answer: D
Rationale: The title 'The Debate over Barefoot Running' captures the main discussion in the passage.
Which of the following is not mentioned as a detail in the passage about Sickle-Cell Anemia?
- A. People of South American or African descent may be prone to sickle-cell anemia.
- B. Symptoms of sickle-cell anemia may include sudden occurrences of extreme abdominal and back pain.
- C. The red blood cells of sickle-cell patients are unusually shaped, forming crescent or sickle shapes.
- D. Vitamin and mineral deficiencies may result in some anemia.
Correct Answer: D
Rationale: The correct answer is D because the passage does not mention anything about vitamin and mineral deficiencies in relation to sickle-cell anemia. Choice A is incorrect as the passage specifies that sickle-cell anemia is more common among people of South American or African descent. Choice B is correct as the passage states that symptoms of sickle-cell anemia can include sudden occurrences of extreme abdominal and back pain. Choice C is correct as the passage describes that the red blood cells of sickle-cell patients are unusually shaped, forming crescent or sickle shapes. The passage does not discuss any relationship between vitamin and mineral deficiencies and sickle-cell anemia, making choice D the correct option.
What does the term elasticity mean, as used in the passage about Hypertension?
- A. Firmness.
- B. Compactness.
- C. Flexibility.
- D. Rigidity.
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.
What is the overall tone of the essay about A Short History of the CDC?
- A. Appreciative.
- B. Awestruck.
- C. Somber.
- D. Disheartened.
Correct Answer: A
Rationale: The tone is appreciative of the work and impact of the CDC over time.