Nursing Elites

1. Which claim from the passage best describes the benefits of nanotechnology?

• A. Scientists can develop novel technologies and products.
• B. Nanotechnology is defined as the understanding and control of matter at dimensions of roughly 1 to 100 nanometers.
• C. The different colors can be used in simple medical tests to indicate infection or disease.
• D. Unique properties of materials emerge.

Correct answer: D

Rationale: The correct answer is D because the passage specifically states that at the nanoscale, unique properties of materials emerge, which is a key benefit of nanotechnology. Choice A talks about what scientists can do but does not directly describe the benefits mentioned in the passage. Choice B is the definition of nanotechnology and not a specific benefit. Choice C mentions the use of different colors in medical tests, which is a specific application rather than a general benefit of nanotechnology.

2. What is the best definition of 'efficient' as used in the third paragraph?

• A. Slow but steady.
• B. Productive without waste.
• C. Wasteful and careless.
• D. Quick but sloppy.

Correct answer: B

Rationale: The correct definition of 'efficient' in the third paragraph is 'Productive without waste.' In the extract provided, it discusses how different cultures developed tools like cutlery and chopsticks to efficiently eat food. Efficiency here refers to getting something done with the least amount of waste. Choices A, C, and D are incorrect because they do not accurately capture the concept of efficiency discussed in the passage.

3. What is the overall tone of the essay?

• A. Informative
• B. Insensitive
• C. Grim
• D. Uplifting

Correct answer: C

Rationale: The passage discusses the challenges and symptoms associated with sickle-cell anemia, portraying a somber and serious tone. The descriptions of persistent pain, difficulties, and the impact on individuals' lives make the overall tone fairly grim. The essay focuses on the hardships faced by individuals with sickle-cell anemia, highlighting the severity of the disease. Choices A, B, and D are incorrect because the tone of the essay is not informal, insensitive, or uplifting. It is important to consider the language used, the subject matter, and the overall emotional impact of the text to determine the tone accurately.

4. Which rainforest plant has more than one use?

• A. The Buruti plant
• B. The Banana tree
• C. The Cinnamon tree
• D. The Coconut tree

Correct answer: A

Rationale: The correct answer is the Buruti plant. The passage mentions that Amazonian Indians use the fruit and stem of the Buruti plant for various purposes, such as a drink, making bread, and building houses. The other choices, Banana tree, Cinnamon tree, and Coconut tree, are not specifically mentioned as having multiple uses in the passage. While the passage does mention that bananas and coconuts are available as food in the rainforest, it does not specify multiple uses for these plants as it does for the Buruti plant.

5. What is the meaning of the word composed in the first paragraph?

• A. To consist of
• B. To break apart
• C. To mix with other elements
• D. To heat up

Correct answer: A

Rationale: The word 'composed' means to be made up of or to consist of something. In the provided extract, it describes how a single drop of water is composed of an oxygen atom and two hydrogen atoms. Therefore, the correct answer is 'To consist of.' Choice B, 'To break apart,' is incorrect as it is the opposite of 'composed.' Choice C, 'To mix with other elements,' is incorrect as 'composed' refers to being made up of specific components, not mixed with others. Choice D, 'To heat up,' is unrelated to the meaning of 'composed' in this context.

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