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Nursing Elites

ATI TEAS 7

anatomy

1. Which structure surrounds individual muscle fibers, providing support and aiding in the transmission of force generated during muscle contraction?

Correct answer: b

Rationale: The correct answer is B: Endomysium. Endomysium is the connective tissue layer that surrounds individual muscle fibers within a muscle. It plays a crucial role in supporting the muscle fibers and aiding in the transmission of force generated during muscle contraction. Tendons (option A) connect muscle to bone and do not surround individual muscle fibers. Perimysium (option C) surrounds bundles of muscle fibers, while epimysium (option D) envelops the entire muscle. Therefore, endomysium is specifically responsible for surrounding and supporting individual muscle fibers, making it the most fitting answer.

2. Which vitamin is crucial for calcium absorption and synthesized in the skin upon sun exposure?

Correct answer: C

Rationale: The correct answer is C: Vitamin D. Vitamin D is crucial for calcium absorption as it helps the body absorb calcium from the diet. When the skin is exposed to sunlight, it produces vitamin D. This is why sunlight is often referred to as the 'sunshine vitamin.' Vitamin A (choice A) is important for vision and immune function, but not specifically for calcium absorption. Vitamin C (choice B) is essential for collagen production and immune function, but not directly related to calcium absorption. Vitamin E (choice D) is an antioxidant that helps protect cells from damage, but it is not primarily involved in calcium absorption like vitamin D.

3. Identify the subject in the following sentence: "The red car parked in the driveway."

Correct answer: C

Rationale: The subject is the noun or pronoun performing the action or being described in the sentence.

4. What is the name for the process where a solid changes directly into a gas?

Correct answer: B

Rationale: Sublimation occurs when a solid directly transforms into a gas without passing through a liquid phase.

5. Which type of reaction is represented by the equation A + B → AB?

Correct answer: a

Rationale: Synthesis reactions involve the combination of two or more substances to form a new compound.

6. Which sentence uses the colon correctly?

Correct answer: A

Rationale: Colons are used to introduce a list or explanation that follows an independent clause. Options (a) and (c) use the colon correctly.

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