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Nursing Elites

ATI TEAS 7

Physics

1. A car brakes to a stop on a level road. Which of the following forces does NOT do work on the car?

Correct answer: B

Rationale: While the other forces do work by changing the car's motion or energy, the normal force acts perpendicular to the motion and doesn't contribute to the car's stopping.

2. Calcitonin, a hormone that helps regulate calcium levels, is produced by the:

Correct answer: A

Rationale: The correct answer is A: "Thyroid gland." Calcitonin is a hormone produced by the thyroid gland that helps regulate calcium levels in the body. It works in opposition to parathyroid hormone, which is produced by the parathyroid gland. The thymus gland is responsible for immune function, while the adrenal gland produces hormones like cortisol and adrenaline. Therefore, the thyroid gland is the specific gland responsible for producing calcitonin to regulate calcium levels in the body.

3. In a chemical reaction, the total amount of:

Correct answer: A

Rationale: The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction, only rearranged

4. Square: A garden bed has a side length of 8 meters. What is its perimeter?

Correct answer: D

Rationale: Since all sides are equal, multiply the side length by 4: perimeter = 4 * side length = 4 * 8m = 32m.

5. In the process of cellular respiration, glucose is broken down to produce energy. What is the main waste product released?

Correct answer: B

Rationale: The correct answer is B: Carbon dioxide. During cellular respiration, glucose is broken down in the presence of oxygen to produce energy in the form of ATP. One of the main waste products released in this process is carbon dioxide. Carbon dioxide is a byproduct of the metabolic reactions occurring in cells and is expelled from the body through exhalation. Water is also produced during cellular respiration, but it is not the main waste product released. Oxygen is required for cellular respiration to occur, and protein is a macromolecule and not a waste product of cellular respiration.

6. Semen, the fluid that carries sperm, is produced by a gland within the male reproductive system. Which gland is responsible for this?

Correct answer: D

Rationale: The correct answer is D: Seminal vesicles. The seminal vesicles are responsible for producing the fluid component of semen, which nourishes and protects sperm as they travel through the reproductive system. While the testes produce sperm, the scrotum is the external sac that holds the testes, and the prostate gland also contributes to semen production but does not produce the fluid itself. Understanding the roles of each gland in the male reproductive system is important for comprehending the process of sperm production and ejaculation.

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