Nursing Elites

1. What is a benefit of a taxonomic system?

• A. Researchers can describe how living things behave.
• B. Researchers can develop names for new organisms.
• C. Living things can be distinguished from nonliving things.
• D. Living things can be classified based on their molecular traits.

Correct answer: D

Rationale: The correct answer is D. A taxonomic system allows scientists to classify living organisms based on their molecular and genetic traits. This classification helps in understanding the relationships and evolutionary history of different organisms, providing insights into their characteristics and behaviors. Choices A, B, and C do not directly relate to the primary purpose and benefit of a taxonomic system, which is the systematic classification of organisms.

2. Which statement is TRUE about valence electrons?

• A. They are located in the innermost electron shell.
• B. They have the highest binding energy to the nucleus.
• C. They are most likely to participate in chemical bonding.
• D. They have no influence on the element's chemical properties.

Correct answer: C

Rationale: Valence electrons are the outermost electrons in an atom's electron cloud and are crucial in forming chemical bonds with other atoms. These electrons determine the reactivity and chemical properties of an element, making option C the correct statement. Option A is incorrect as valence electrons are found in the outer shell, not the innermost shell. Option B is incorrect because valence electrons have lower binding energy compared to inner electrons. Option D is incorrect since valence electrons play a significant role in an element's chemical behavior.

3. Which of the following terms refers to the degeneration of nerve tissue?

• A. Potentiation
• B. Demyelination
• C. Reuptake
• D. Neurogenesis

Correct answer: B

Rationale: Demyelination specifically refers to the degeneration of the myelin sheath that covers nerve fibers. When demyelination occurs, nerve function and communication can be impaired. Potentiation involves the strengthening of synaptic connections, reuptake is the reabsorption process of neurotransmitters by the presynaptic neuron, and neurogenesis is the generation of new neurons. Therefore, the correct term for the degeneration of nerve tissue among the options provided is demyelination.

4. Which sentence uses parentheses correctly?

• A. The suspect was seen driving a red car (a witness reported).
• B. The movie (released in 2022) received critical acclaim.
• C. The restaurant offers a variety of dishes (including vegetarian options).
• D. All participants (must register by Friday) will receive a free gift.

Correct answer: B

Rationale: The correct use of parentheses is to provide additional non-essential information to the main sentence. In option B, 'released in 2022' is additional detail about the movie but not necessary for the sentence's core meaning. Options A, C, and D could function without parentheses without affecting their essential message, making them incorrect uses of parentheses in this context. Therefore, choice B is the correct answer.

5. Every morning we would wake up, eat breakfast, and break camp. Which of the following is the correct revision for the sentence?

• A. NO CHANGE
• B. we would wake up, eat breakfast, and break camp.
• C. would we wake up, eat breakfast, and break camp?
• D. we are waking up, eating breakfast, and breaking camp.

Correct answer: B

Rationale: The correct answer is B: 'we would wake up, eat breakfast, and break camp.' The original sentence is a list of actions in the past, so the verb 'break' should also be in the past tense to maintain consistency. Choice A is incorrect because 'broke' is incorrect in this context. Choice C is a question format and does not fit the original sentence structure. Choice D changes the tense to present progressive, which does not match the past tense context of the sentence.

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