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Nursing Elites

ATI TEAS 7

physics

1. Which type of waves exhibit both longitudinal and transverse motion?

Correct answer: b

Rationale: Surface waves, like those on water surfaces, exhibit both longitudinal and transverse motion.

2. Which element is used in fluorescent lamps and emits ultraviolet light when excited?

Correct answer: A

Rationale: Mercury vapor in fluorescent lamps generates UV light that excites phosphors on the lamp's inner surface, producing visible light.

3. What is the process of removing waste products from the cell called?

Correct answer: A

Rationale: Rationale: A) Exocytosis is the process by which cells expel waste products or other substances by fusing a vesicle containing the waste with the cell membrane, releasing its contents outside the cell. This process is essential for maintaining cellular homeostasis by removing waste products from the cell. B) Endocytosis is the process by which cells take in substances by engulfing them in a vesicle formed from the cell membrane. This process is the opposite of exocytosis and is used to bring substances into the cell. C) Phagocytosis is a type of endocytosis where cells engulf solid particles or other cells to form a vesicle called a phagosome. This process is used by immune cells to engulf and destroy pathogens. D) Pinocytosis is a type of endocytosis where cells engulf fluids and dissolved solutes. This process allows cells to take in nutrients and

4. What is the term for the first exposure to a specific pathogen, leading to the development of an initial immune response?

Correct answer: A

Rationale: The correct answer is A: 'Primary immune response.' The primary immune response refers to the initial encounter with a specific pathogen, which triggers the immune system to respond by producing antibodies and memory cells. This process lays the foundation for the secondary immune response, which occurs upon subsequent exposure to the same pathogen. The primary immune response is characterized by the lag time in antibody production as the immune system is mobilized to combat the new threat. In contrast, the secondary immune response is faster and more robust due to the presence of memory cells from the primary response. Hypersensitivity reactions involve an exaggerated immune response to an antigen, while immunological tolerance refers to the immune system's ability to recognize self from non-self to prevent autoimmunity.

5. The phrase "think outside the box" encourages readers to:

Correct answer: B

Rationale: The phrase emphasizes unconventional thinking and exploring new approaches.

6. What is the name of a condition where the immune system mistakenly attacks healthy body tissues?

Correct answer: B

Rationale: The correct answer is B: Autoimmune disease. This condition occurs when the immune system mistakenly targets and attacks healthy tissues in the body, leading to inflammation and tissue damage. Autoimmune diseases can affect various organs and systems in the body, such as rheumatoid arthritis, lupus, and multiple sclerosis. Allergies (A) involve the immune system overreacting to harmless substances, but they do not involve attacking healthy tissues. Immunodeficiency (C) refers to a weakened immune system that is less able to fight off infections. Sepsis (D) is a life-threatening condition caused by the body's response to an infection, not an autoimmune reaction.

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