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Nursing Elites

ATI TEAS 7

Anatomy

1. The process of bone formation and breakdown is called:

Correct answer: C

Rationale: The correct answer is C: 'Remodeling.' Bone remodeling is the continuous process of bone formation (ossification) and breakdown (resorption). Ossification refers to the formation of bone tissue, while resorption is the breakdown and removal of old bone tissue. The term 'remodeling' encompasses both of these processes, making it the most appropriate choice. While ossification and resorption are part of bone remodeling, they do not cover the entire process on their own, hence 'All of the above' is incorrect.

2. Which type of muscle tissue is found in the walls of blood vessels and helps regulate blood flow?

Correct answer: B

Rationale: The correct answer is B: Smooth muscle. Smooth muscle is found in the walls of blood vessels and plays a crucial role in regulating blood flow by contracting and relaxing to adjust the diameter of the blood vessels. Skeletal muscle (option A) is responsible for movement of the body, cardiac muscle (option C) is found in the heart and responsible for pumping blood, and striated muscle (option D) refers to both skeletal and cardiac muscle due to their striated appearance. Therefore, the specific type of muscle tissue in blood vessel walls is smooth muscle.

3. Diabetic nephropathy, a complication of diabetes, affects the:

Correct answer: D

Rationale: The correct answer is D: Nephrons. Diabetic nephropathy is a type of kidney disease that occurs as a complication of diabetes. It specifically affects the nephrons, which are the functional units of the kidneys responsible for filtering waste and excess fluids from the blood to produce urine. Damage to the nephrons can lead to kidney failure and other serious complications in individuals with diabetes. Therefore, understanding the impact of diabetes on the nephrons is crucial for managing diabetic nephropathy effectively.

4. Which word best completes the sentence: "The scientist's breakthrough was met with _____ applause."

Correct answer: A

Rationale: "Thunderous" emphasizes the intensity and volume of the applause, fitting the significance of the breakthrough.

5. Which law of motion states that for every action, there is an equal and opposite reaction?

Correct answer: c

Rationale: Newton's Third Law states the action-reaction principle.

6. The outermost layer of the skin, providing protection against pathogens and the environment, is the:

Correct answer: D

Rationale: The correct answer is D, 'Stratum corneum (part of the epidermis).' The stratum corneum is the outermost layer of the epidermis, consisting of dead skin cells that provide a protective barrier against pathogens and environmental factors. The dermis is located beneath the epidermis and contains connective tissue, nerves, and blood vessels. The hypodermis is the deepest layer of the skin, consisting of fat and connective tissue. Understanding the layers of the skin and their functions is essential for comprehending the skin's role in protecting the body.

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