Nursing Elites

1. Which sentence contains a homonym?

• A. I need to bear the pain.
• B. She found a bear in the woods.
• C. I can't bear to see this.
• D. He bears a striking resemblance.

Correct answer: C

Rationale: The correct answer is C: 'I can't bear to see this.' The words 'bear' and 'bare' are homonyms, as they sound the same but have different meanings. Choice A does not contain a homonym; it correctly uses 'bear' in the context of enduring pain. Choice B uses 'bear' as a noun referring to the animal, not a homonym. Choice D uses 'bears' as a verb, not a homonym.

2. Which of the following organs is responsible for filtering waste from the blood?

• A. Liver
• B. Kidneys
• C. Pancreas
• D. Heart

Correct answer: B

Rationale: The correct answer is B: Kidneys. The kidneys play a vital role in filtering waste from the blood, regulating fluid and electrolyte balance in the body. The liver is involved in detoxification and metabolism, while the pancreas aids in digestion and blood sugar regulation. The heart is responsible for pumping blood throughout the body and does not directly filter waste from the blood.

3. Bi, re, and un are:

• A. Suffixes, appearing at the beginning of base words to change their meaning
• B. Suffixes, appearing at the end of base words to enhance their meaning
• C. Prefixes, appearing at the beginning of base words to emphasize their meaning
• D. Prefixes, appearing at the beginning of base words to change their meaning

Correct answer: D

Rationale: Bi, re, and un are prefixes, not suffixes. Prefixes are added at the beginning of base words to change their meanings. Therefore, choices A, B, and C are incorrect because they refer to suffixes or emphasize, which is not the case for these prefixes.

4. What is the basic unit of communication in the nervous system?

• A. Neuron
• B. Astrocyte
• C. Neurotransmitter
• D. Synapse

Correct answer: A

Rationale: A neuron is the basic unit of communication in the nervous system. Neurons are specialized cells responsible for transmitting information through electrical and chemical signals. Astrocytes are a type of glial cell that provide support and nourishment to neurons but do not participate in signal transmission. Neurotransmitters are chemicals that facilitate signal transmission between neurons, and synapses are the specific junctions where these signals are transmitted. Therefore, the correct answer is 'A: Neuron' as it is the primary cell involved in transmitting information in the nervous system.

5. Which source provides the best material for your assignment?

• A. It may be true that some businesses profit from buying up wetlands; however, the important point is that wetlands are disappearing. An ecologist noted that there are not enough private donors to buy these places.
• B. Greedy businesses are at the heart of the problem: they simply want to buy up cheap land to build and make money. They don't care about destroying our natural treasures. The physics professor noted that our town needs to buy this land.
• C. It's clear that wetlands are endangered; they are going to disappear unless we do something about it. We should get private donors to buy the land. An ecologist noted that wetlands are in danger.
• D. Businesses are part of the wetland problem. Without developers to buy them up, the town would not need to purchase the land to protect it. A physics professor noted that the wetland problem is related to greed.

Correct answer: C

Rationale: Source C provides the best material for the assignment because it emphasizes the importance of preserving wetlands, acknowledges the endangered status of wetlands, and suggests a solution involving private donors. The source highlights the crucial issue at hand - the disappearance of wetlands - and proposes a practical solution, making it a reliable and relevant source for an assignment on wetlands conservation. Choice A focuses more on the profit aspect rather than conservation. Choice B blames greedy businesses without offering a practical solution. Choice D discusses the relationship between businesses and wetlands but lacks a clear solution for conservation compared to Source C.

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