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Nursing Elites

ATI TEAS 7

Anatomy

1. What is the process by which damaged muscle tissue repairs and rebuilds itself?

Correct answer: B

Rationale: The correct answer is B: "Regeneration." Regeneration is the process by which damaged muscle tissue repairs and rebuilds itself by replacing the damaged cells with new, healthy cells. Degeneration refers to the deterioration of tissue, not the repair process. Hyperplasia is the increase in cell number, and metaplasia is the transformation of one cell type into another, neither of which directly relate to the repair process of damaged muscle tissue. Therefore, the most appropriate term for the described process is regeneration.

2. A news article claims a scientist has discovered a cure for cancer. How should you approach this information?

Correct answer: B

Rationale: Extraordinary claims require extraordinary evidence. It's essential to wait for scientific consensus and verification before accepting such groundbreaking claims.

3. Maintaining good muscle strength and flexibility as we age becomes important to avoid:

Correct answer: B

Rationale: The correct answer is B: 'Falls.' Maintaining good muscle strength and flexibility as we age is crucial for preventing falls, which become more common with age and can lead to serious injuries such as fractures. Strong muscles and good flexibility help in maintaining balance and stability, reducing the risk of falls. Headaches, anxiety, and the common cold are not directly related to muscle strength and flexibility, making them less likely to be avoided by focusing on these aspects of physical health.

4. Osteoporosis is a condition leading to weakened bones and increased risk of fractures. Which hormone plays a key role in bone health and is often affected in osteoporosis?

Correct answer: A

Rationale: Estrogen plays a crucial role in bone health by promoting the activity of bone-forming cells and inhibiting bone breakdown. In women, estrogen levels decrease significantly during menopause, leading to a higher risk of osteoporosis. This hormone helps maintain bone density and strength, making it essential for preventing bone loss and fractures. Testosterone, while important for overall health, does not have as significant of an impact on bone health as estrogen does. Thyroid hormone and insulin also have roles in the body, but they are not as directly linked to bone health as estrogen. Therefore, the correct answer is A: Estrogen.

5. A car is traveling on a curved road. What force keeps the car moving along the curved path?

Correct answer: D

Rationale: In this case, static friction acts between the tires and the road, providing the centripetal force required to keep the car moving in a circle even though it's traveling in a straight line relative to the ground.

6. What term describes the bending of waves around obstacles or through openings?

Correct answer: c

Rationale: Diffraction occurs when waves bend around obstacles or spread after passing through small openings.

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