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Nursing Elites

ATI TEAS 7

Anatomy

1. Which vitamin plays a vital role in muscle function and helps prevent muscle weakness and fatigue?

Correct answer: B

Rationale: The correct answer is B: Vitamin B12. Vitamin B12 plays a crucial role in muscle function by aiding in the production of red blood cells, which carry oxygen to the muscles. This vitamin also helps maintain the health of nerves that control muscle movements. Deficiency in vitamin B12 can lead to muscle weakness and fatigue due to decreased oxygen delivery and impaired nerve function in the muscles. Vitamin A is important for vision and immune function, Vitamin D is crucial for bone health, and Vitamin E is an antioxidant that protects cells from damage, but they do not have the same direct impact on muscle function as Vitamin B12.

2. What is the scientific term for inflammation of the bronchi, often associated with a cough and mucus production?

Correct answer: B

Rationale: The correct answer is B: Bronchitis. Bronchitis is the scientific term for inflammation of the bronchi, which are the air passages in the lungs. This condition is often characterized by a cough, mucus production, and difficulty breathing. Pneumonia (A) is an infection that causes inflammation in the air sacs in the lungs, not the bronchi. Emphysema (C) is a chronic lung condition that results in the damage of the air sacs in the lungs, leading to difficulty breathing. Pleurisy (D) is inflammation of the pleura, the lining around the lungs, and is not directly related to inflammation of the bronchi. Therefore, option B is the correct answer in this case.

3. In the sentence "The house was dilapidated," what effect does the word "dilapidated" have on the reader's understanding?

Correct answer: C

Rationale: The word "dilapidated" specifically describes the house's deteriorating state.

4. Which vitamin plays a vital role in muscle function and helps prevent muscle weakness and fatigue?

Correct answer: B

Rationale: The correct answer is B: Vitamin B12. Vitamin B12 plays a crucial role in muscle function by aiding in the production of red blood cells, which carry oxygen to the muscles. This vitamin also helps maintain the health of nerves that control muscle movements. Deficiency in vitamin B12 can lead to muscle weakness and fatigue due to decreased oxygen delivery and impaired nerve function in the muscles. Vitamin A is important for vision and immune function, Vitamin D is crucial for bone health, and Vitamin E is an antioxidant that protects cells from damage, but they do not have the same direct impact on muscle function as Vitamin B12.

5. Cartilage, found in joints and the ear, is a type of:

Correct answer: B

Rationale: The correct answer is B: Connective tissue. Cartilage is a tough, flexible type of connective tissue that provides support and cushioning in joints and the ear. It is made up of specialized cells called chondrocytes embedded in a gel-like matrix of collagen and proteoglycans. Epithelial tissue (A) covers and lines body surfaces, muscle tissue (C) is responsible for movement, and nervous tissue (D) transmits signals in the body. In contrast, cartilage primarily serves a structural and protective function, placing it within the category of connective tissue.

6. What is the term for the pressure exerted by blood against the walls of blood vessels?

Correct answer: B

Rationale: The correct answer is B: Blood pressure. Blood pressure is the term used to describe the force or pressure exerted by blood against the walls of blood vessels. It is typically measured in millimeters of mercury (mmHg) and consists of two main components - systolic pressure (the pressure when the heart is contracting) and diastolic pressure (the pressure when the heart is relaxed). Heart rate (A) refers to the number of times the heart beats per minute and is not specifically related to the pressure against blood vessel walls. Cardiac output (C) is the volume of blood pumped by the heart per minute, while stroke volume (D) is the volume of blood pumped by the heart in a single contraction. These are related to heart function but not specifically to the pressure against blood vessel walls.

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