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Nursing Elites

ATI TEAS 7

Anatomy

1. Which vitamin is essential for collagen production, a key component of connective tissues?

Correct answer: B

Rationale: The correct answer is B: Vitamin C. Vitamin C is essential for collagen production, which is a key component of connective tissues. Collagen is a protein that provides structure and strength to various tissues in the body, including skin, bones, and tendons. Vitamin C plays a crucial role in the synthesis of collagen by acting as a cofactor for enzymes involved in collagen formation. Deficiency in Vitamin C can lead to impaired collagen production, resulting in weakened connective tissues and potential health issues like scurvy. While Vitamin A, D, and E are important for various bodily functions, Vitamin C specifically stands out for its vital role in collagen synthesis.

2. Which property of a substance refers to the force exerted on an object due to gravity?

Correct answer:

Rationale: Weight is the measure of the force exerted on an object due to gravity. It is calculated as mass multiplied by the acceleration due to gravity.

3. The author most likely included information about the Silk Road to...

Correct answer: C

Rationale: The Silk Road directly impacts Petra's history and prosperity, making it relevant to the historical context

4. A playground fence has a rectangular section (5m by 3m) attached to a semicircular section with a radius of 2m. What is the total perimeter?

Correct answer: D

Rationale: Calculate the semicircle perimeter (π * radius) and add it to the rectangular perimeter: perimeter = π * radius + 2 (length + width) ≈ 3.14 * 2m + 2 (5m + 3m) ≈ 6.28m + 16m ≈ 22.28m ≈ 22m (rounded).

5. What is the term for the chemical reaction that involves the loss of electrons?

Correct answer: b

Rationale: Oxidation is the chemical reaction that involves the loss of electrons. The other choices describe different types of reactions.

6. Which of the following phases of the cell cycle is characterized by the replication of DNA?

Correct answer: A

Rationale: Rationale: Interphase is the phase of the cell cycle where the cell spends the majority of its time and is characterized by three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2). During the S phase of interphase, DNA replication occurs, leading to the duplication of the genetic material in the cell. This ensures that each daughter cell produced during cell division receives a complete set of genetic information. Mitosis is the phase of the cell cycle where the replicated DNA is divided equally between two daughter cells, while meiosis is a specialized type of cell division that occurs in sexually reproducing organisms to produce gametes. Cytokinesis is the final stage of the cell cycle where the cytoplasm divides, resulting in two separate daughter cells.

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