Nursing Elites

1. Which of the following best describes the type of writing used in the email message sent by the instructor?

• A. technical
• B. narrative
• C. persuasive
• D. expository

Correct answer: C

Rationale: The email sent by the instructor after reconsidering his grading plan for the semester is aimed at persuading the students to understand the situation and potentially take certain actions based on his decision. It is not a technical piece that focuses on explaining complex processes, nor is it primarily a narrative recounting events. It also does not strictly provide information or explain a topic (expository writing). Instead, the email's purpose is to influence the students' perspective or behavior, making it a persuasive type of writing.

2. What can the reader conclude from the passage above?

• A. The kingsnake is dangerous to humans.
• B. The coral snake and the kingsnake are both hunted by the same predators.
• C. It's safe to handle snakes in the woods because you can easily tell whether they're poisonous.
• D. The kingsnake changes its markings when hawks or eagles are close by.

Correct answer: B

Rationale: The correct answer is B. The passage explains that the kingsnake mimics the venomous coral snake's markings to deter predators, particularly hawks and eagles, which cannot differentiate between the two species. This implies that both the coral snake and the kingsnake face similar threats from predators in their shared habitat. Choice A is incorrect because the passage clearly states that the kingsnake is nonvenomous, so it is not dangerous to humans. Choice C is incorrect as the passage highlights that not all snakes with flashy markings are venomous, emphasizing the need for caution. Choice D is incorrect as there is no mention of the kingsnake changing its markings in response to the presence of hawks or eagles in the passage.

3. The word 'cation' is closest in meaning to:

• A. element
• B. nutrient similar to magnesium
• C. symptom of deficiency
• D. nutritional supplement

Correct answer: A

Rationale: The word 'cation' refers to a positively charged ion, which is an atom or molecule that has lost one or more electrons. It is not related to nutrients, symptoms, or supplements. Therefore, the closest in meaning to 'cation' among the given choices is 'element.' In the provided extract, it mentions that cations like magnesium can affect the body's ability to absorb other cations, including calcium and potassium. This further emphasizes that 'cation' is related to elements rather than nutrients, symptoms, or supplements.

4. Which of the following is true of hypotheses of the form 'All x are y'?

• A. Something that is neither x nor y disproves the hypothesis.
• B. Something that is both x and y disproves the hypothesis.
• C. Something that is x but not y disproves the hypothesis.
• D. Something that is y but not x disproves the hypothesis.

Correct answer: D

Rationale: In hypotheses of the form 'All x are y,' the hypothesis is making a claim that all instances of x also fall under y. Therefore, if something is y but not x, it disproves the hypothesis because it contradicts the assertion that all x are y. Choice A is incorrect because something that is neither x nor y doesn't provide evidence against the hypothesis. Choice B is incorrect because if something is both x and y, it actually supports the hypothesis. Choice C is incorrect as something that is x but not y doesn't disprove the hypothesis, as it could still be consistent with the claim that all x are y.

5. What is the purpose of this passage?

• A. To describe the sun-fish's reproductive habits.
• B. To explain the ecosystem of the sun-fish.
• C. To persuade readers to protect aquatic ecosystems.
• D. To discuss the mating habits of sun-fish.

Correct answer: A

Rationale: The correct answer is A. The passage describes the reproductive habits of the sun-fish, focusing on how the mother sun-fish provides and guards her spawn until they are ready to take care of themselves. Choice B is incorrect as the passage does not delve into the broader ecosystem of the sun-fish. Choice C is incorrect as there is no persuasive element in the passage about protecting aquatic ecosystems. Choice D is incorrect as the passage does not discuss the mating habits of sun-fish but rather the care provided by the mother sun-fish.

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