Nursing Elites

1. Which process allows for the movement of large molecules, such as proteins and polysaccharides, across the cell membrane?

• A. Endocytosis
• B. Exocytosis
• C. Active transport
• D. Facilitated diffusion

Correct answer: A

Rationale: Endocytosis is the process by which cells engulf large molecules or particles by wrapping the cell membrane around them to form a vesicle that is brought into the cell. This mechanism facilitates the movement of large molecules like proteins and polysaccharides across the cell membrane. Exocytosis involves the release of large molecules or particles from the cell, opposite to the scenario described in the question. Active transport requires energy to move molecules against their concentration gradient and is not primarily used for transporting proteins and polysaccharides. Facilitated diffusion entails the movement of molecules aided by transport proteins but is not the primary mechanism for transporting large molecules such as proteins and polysaccharides.

2. In which chapter should Clothilde look for more information?

• A. Chapter 7
• B. Chapter 9
• C. Chapter 10
• D. Chapter 12

Correct answer: B

Rationale: Clothilde should look for more information in Chapter 9, 'Herbs for Immunity,' as her sister's daughter has a chronic cough. Immune-boosting herbs may help strengthen the child's immune system and potentially alleviate the cough. Chapter 9 focuses on herbs that support immune health, making it the most relevant chapter for addressing a chronic cough related to immunity. Chapters 7, 10, and 12 do not specifically focus on immunity or respiratory conditions, making them less likely to provide the information Clothilde needs.

3. Which of the following structures helps filter pathogens from the blood?

• A. Lymph nodes
• B. Kidneys
• C. Spleen
• D. Pancreas

Correct answer: C

Rationale: The spleen is the correct answer. The spleen is a vital organ in the immune system responsible for filtering pathogens from the blood. It contains specialized immune cells that aid in recognizing and eliminating harmful substances. Additionally, the spleen plays a role in recycling old red blood cells. Choices A, B, and D are incorrect. Lymph nodes primarily filter lymph fluid, not blood. Kidneys are involved in filtering waste and regulating fluid balance, not specifically filtering pathogens from the blood. The pancreas functions in hormone regulation and digestion, unrelated to filtering pathogens from the blood.

4. Which word is most closely synonymous with the word patronage as it appears in the following statement? . . . that I am sure he will need no charitable aid or condescending patronage

• A. Auspices
• B. Aberration
• C. Acerbic
• D. Adulation

Correct answer: A

Rationale: In the context provided, the word 'patronage' implies supporting or helping someone in a condescending manner. 'Auspices' is the correct answer as it refers to support or sponsorship, especially from an influential or powerful source, without the negative connotations associated with patronage. 'Aberration' (choice B) means a departure from what is normal or expected and is not a synonym for patronage. 'Acerbic' (choice C) means sharp or bitter in tone, which is not related to patronage. 'Adulation' (choice D) means excessive admiration or praise, which is not synonymous with patronage.

5. What is the primary function of the strong nuclear force?

• A. Binding electrons in atomic orbitals
• B. Binding protons and neutrons within the nucleus
• C. Mediating the attractive force between opposite charges
• D. Mediating the repulsive force between like charges

Correct answer: B

Rationale: The strong nuclear force primarily functions to bind protons and neutrons within the nucleus. It is responsible for overcoming the electrostatic repulsion between positively charged protons, holding the nucleus together. Choices A, C, and D are incorrect because the strong nuclear force specifically acts on nucleons (protons and neutrons) within the nucleus, not on electrons in atomic orbitals or charges outside the nucleus.

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