Nursing Elites

1. Select the correct verb to complete the following sentence: Our family _____________ staying home for the holidays this year.

• A. is
• B. be
• C. am
• D. are

Correct answer: A

Rationale: The correct answer is 'A: is.' In the sentence, 'Our family is staying home for the holidays this year,' the singular collective noun 'family' requires a singular verb to maintain subject-verb agreement. 'Is' is the correct singular form of the verb to match with 'family.' Choice B 'be' is incorrect as it is the base form of the verb and does not agree with the subject 'family.' Choice C 'am' is incorrect as it is a first-person singular form of the verb 'to be,' which does not align with the subject 'family.' Choice D 'are' is incorrect as it is a plural form of the verb and does not match with the singular subject 'family.'

2. Based on the information in the announcement, what might the reader assume about how the university determined the lunch schedule?

• A. The university arranged the schedule based on the department with the most faculty members.
• B. The university checked with the departments to see when the majority of faculty members would be entering the canteen.
• C. The university checked to see when the most faculty members from each department would be entering the canteen.
• D. The university established different times for each department to reduce crowding in the canteen.

Correct answer: C

Rationale: The university determined the lunch schedule by considering when the most faculty members from each department usually enter the canteen. This information is provided in the announcement where it states that the schedules were recommended based on when members of each department should visit the canteen for lunch. Choice A is incorrect because the schedule was not arranged solely based on the department with the most faculty members. Choice B is incorrect as it implies checking with departments about the majority of faculty members entering the canteen, which is not explicitly mentioned. Choice D is incorrect as it simplifies the university's decision-making process, which involved considering the timing of faculty members from different departments entering the canteen.

3. Which of the following equations does not represent a function?

• A. y = x^2
• B. y = sqrt(x)
• C. x = y^2
• D. y = 2x + 1

Correct answer: C

Rationale: An equation represents a function if each input (x-value) corresponds to exactly one output (y-value). In the equation x = y^2, for a single x-value, there are two possible y-values (positive and negative square root), violating the definition of a function. This violates the vertical line test, where a vertical line intersects the graph in more than one point for non-functions. Choices A, B, and D all pass the vertical line test and represent functions, making them incorrect answers.

4. Which structure in the respiratory system is responsible for gas exchange?

• A. Trachea
• B. Alveoli
• C. Bronchi
• D. Diaphragm

Correct answer: B

Rationale: The alveoli in the lungs are responsible for gas exchange. Alveoli have a rich blood supply and thin walls, enabling the exchange of oxygen and carbon dioxide. Oxygen diffuses into the blood from the alveoli, while carbon dioxide diffuses out. The trachea functions as an air passage, bronchi are the main airways into the lungs, and the diaphragm is the primary muscle involved in breathing by aiding in lung expansion and contraction, but they are not directly responsible for gas exchange like the alveoli.

5. Which of the following nutrients is correctly matched with its foundational components?

• A. Carbohydrates are formed when glucose molecules bond together.
• B. Lipids consist of fatty acids and glycerol.
• C. Nucleic acids consist of nitrogenous bases, sugar, and phosphate groups.
• D. Proteins consist of strings of amino acids.

Correct answer: D

Rationale: Proteins consist of strings of amino acids. Amino acids are the basic building blocks of proteins, and they are linked together in a specific sequence to form a protein structure. This is a correct match between the nutrient (proteins) and its foundational components (amino acids). Choices A, B, and C are incorrect as they do not accurately match the foundational components of the respective nutrients. Carbohydrates are not formed by glucose molecules bonding together; they are made up of sugar molecules. Lipids consist of fatty acids and glycerol, but they are not nutrients typically associated with bonding for formation. Nucleic acids do consist of nitrogenous bases, sugar, and phosphate groups, but they are not the correct match for the question.

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