Nursing Elites

1. Which sound waves have a higher 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: A

Rationale: Sound waves that are closer together have a higher pitch. This is explained by the Doppler Effect, where as a source of sound moves closer to an observer, the waves are compressed, resulting in a higher frequency and a higher pitch. Conversely, when the source moves away, the waves are stretched, leading to a lower frequency and a lower pitch. Therefore, choice A is correct. Choices B, C, and D are incorrect as they do not accurately describe the relationship between sound wave frequency and pitch.

2. Choose the best summary of the passage.

• A. We often think of all fat as bad, but it is clear that certain fats, especially the more healthful unsaturated fats, are important for bodily function.
• B. If you must consume some fat, be sure to choose unsaturated fats such as oils rather than saturated fats found in prepackaged snacks or animal products.
• C. Doctors and researchers have discovered that without the calories found in fat, people would not have functioning metabolisms.
• D. Some intake of saturated fat is necessary, but you should stay away from the kind of fat found in fried food, which can lead to heart disease.

Correct answer: A

Rationale: The best summary of the passage emphasizes the importance of certain fats, particularly unsaturated fats, for bodily function. It highlights that after years of negative publicity, experts now recognize the significance of consuming fats for overall health. The passage discusses how fat is essential for cell health, vitamin absorption, and various bodily functions. It also distinguishes between healthier unsaturated fats like olive oil and detrimental trans fats. Choice B is not the best summary as it focuses more on the choice between unsaturated and saturated fats rather than the overall importance of fats. Choice C is incorrect as the passage doesn't solely attribute functioning metabolisms to fat calories. Choice D is not the best summary as it only briefly mentions saturated fats and fried foods, missing the broader context provided in the passage.

3. What is implied by the author's mention of the Kayapo people in the passage on the Amazon Rainforest?

• A. The Kayapo people destroy the environment for farming.
• B. The Kayapo people farm in an environmentally friendly way.
• C. The Kayapo people contribute to deforestation.
• D. The Kayapo people hunt animals for survival.

Correct answer: B

Rationale: The mention of the Kayapo people in the passage highlights how they farm in an environmentally friendly manner. Instead of using chemicals, they enrich the soil by burning wood and plant banana trees, attracting wasps that feed on harmful insects. This sustainable farming practice showcases their efforts to coexist with the rainforest ecosystem without causing harm. The other choices are incorrect: A is refuted by the passage as the Kayapo people are described as farming in an environmentally friendly way, C is incorrect as the passage does not mention the Kayapo people contributing to deforestation, and D is not supported by the text as there is no mention of the Kayapo people hunting animals for survival.

4. What motivates athletes to participate in the Summer Olympic Games?

• A. Athletes strive for winning medals.
• B. Athletes seek opportunities to travel the world.
• C. Athletes aim for financial gain.
• D. Athletes feel patriotic pride.

Correct answer: D

Rationale: The main reason athletes want to participate in the Summer Olympic Games is often driven by a sense of patriotic pride. Representing their country and showcasing their skills on an international platform instills a deep sense of national pride in athletes. While winning medals is a significant goal for many athletes, the primary motivation to participate in the Olympics is often rooted in representing their nation. Choices A, B, and C are incorrect because although athletes may aspire to win medals, travel the world, or earn money through endorsements, the core driving factor for most athletes in the Summer Olympics is the patriotic pride of representing their country.

5. The main idea of the passage is ___________.

• A. The CDC keeps an eye out for new potentially threatening health issues
• B. Children require several more hours of sleep per night than adults do
• C. More people are staying up at night to surf the Internet or watch television
• D. Lack of adequate sleep is becoming a major national health problem

Correct answer: D

Rationale: The main idea of the passage is that lack of adequate sleep is becoming a major national health problem.

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