Nursing Elites

1. Which element is used in semiconductors like computer chips and solar panels?

• A. Germanium
• B. Silicon
• C. Gallium
• D. Arsenic

Correct answer: B

Rationale: Silicon is the correct answer. Silicon is widely used in semiconductors for electronic applications because of its unique properties that allow it to be manipulated to conduct or not conduct electricity effectively. Germanium is also used in semiconductors but to a lesser extent compared to silicon. Gallium and arsenic are not as commonly used in semiconductors like computer chips and solar panels, making them incorrect choices for this question.

2. When is a solution considered saturated?

• A. More solute cannot be dissolved
• B. The solvent starts to evaporate
• C. The solution becomes cloudy
• D. It reaches a specific temperature

Correct answer: A

Rationale: A solution is considered saturated when it has dissolved the maximum amount of solute that can be dissolved at a given temperature. At this point, adding more solute will not result in further dissolution, indicating that the solution is saturated. The other choices are incorrect because the solvent evaporating or the solution becoming cloudy are not definitive indicators of a saturated solution. Additionally, reaching a specific temperature does not determine saturation, as the solubility of a solute can vary with temperature. Therefore, the correct answer is that more solute cannot be dissolved in a saturated solution.

3. What are the primary differences between systemic and pulmonary circulation?

• A. Systemic circulation is shorter and has lower blood pressure
• B. Pulmonary circulation is shorter and has higher blood pressure
• C. Systemic circulation is longer and has higher blood pressure
• D. Systemic circulation is shorter but has higher blood pressure

Correct answer: C

Rationale: The correct answer is C. Systemic circulation is longer as it involves carrying oxygenated blood throughout the body, requiring higher blood pressure. Pulmonary circulation is shorter and involves the flow of blood only through the lungs, hence having lower blood pressure. Therefore, systemic circulation is longer and has higher blood pressure compared to pulmonary circulation. Choice A is incorrect as systemic circulation is longer, not shorter, and has higher blood pressure. Choice B is incorrect as pulmonary circulation has lower blood pressure, not higher. Choice D is incorrect as systemic circulation is longer, not shorter, despite having higher blood pressure.

4. Which of the following phrases is grammatically correct and uses parallel structure?

• A. He enjoys reading, writing, and playing sports.
• B. Walking, swimming, and cooking are his favorite hobbies.
• C. He likes to read, write, and play sports.
• D. Singing, dancing, and traveling are his passions.

Correct answer: B

Rationale: Option B is the correct answer as it uses the gerund (-ing) form for all three hobbies, achieving parallel structure. Parallel structure requires that elements in a sentence are grammatically balanced. In this case, all three activities are presented in the same form, making the sentence clear and consistent. Choices A, C, and D do not exhibit parallel structure as they mix verb forms or use infinitives, breaking the parallelism needed for correct grammar.

5. Which of the following statements based on the passage should be considered an opinion?

• A. Julia’s boss asked her to help one of her coworkers with work.
• B. Julia was late to work due to traffic.
• C. It was irresponsible for Julia to leave work early.
• D. Julia was tired because she’d been woken up early.

Correct answer: C

Rationale: The statement 'It was irresponsible for Julia to leave work early' is an opinion because it reflects a judgment or evaluation of Julia's actions, rather than stating a fact. The other statements (A, B, D) provide factual information about events that occurred in the passage. Option A states a fact about Julia being asked by her boss; option B explains the reason for Julia being late; option D provides a reason for Julia feeling tired. These are not opinions but rather statements of events or circumstances.

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