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Nursing Elites

ATI TEAS 7

physics

1. What is the relationship between work, force, and displacement?

Correct answer: b

Rationale: Work done is the product of force and displacement in the direction of the force.

2. Laser light differs from typical light sources due to its properties of:

Correct answer: B

Rationale: The correct answer is B: Monochromatic nature (single color) and coherence (synchronized waves). Laser light is unique because it consists of a single color (monochromatic) and its waves are synchronized (coherent), unlike typical light sources which emit a range of colors and incoherent waves. This coherence allows laser light to stay focused over long distances, making it useful in various applications such as surgery, communication, and manufacturing. Enhanced brightness (A) is not the only distinguishing factor of laser light, as coherence and monochromatic nature are equally important. Increased velocity (C) and limited visibility to the human eye (D) are not properties that define laser light. Therefore, option B is the most accurate choice.

3. The intricate network of blood vessels responsible for transporting blood throughout the body is the:

Correct answer: B

Rationale: The correct answer is B: Circulatory system. The circulatory system is responsible for transporting blood, oxygen, nutrients, and other substances throughout the body. It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood. The lymphatic system (A) is a separate system that helps to maintain fluid balance in the body and plays a role in the immune response. The nervous system (C) is responsible for transmitting signals between different parts of the body and the brain. The respiratory system (D) is responsible for the exchange of oxygen and carbon dioxide in the body through breathing. In this question, the circulatory system is specifically mentioned as the network of blood vessels responsible for transporting blood, making it the correct answer.

4. Why are noble gas elements generally unreactive?

Correct answer: D

Rationale: They have already achieved stable electron configurations. With completely filled outermost shells, noble gas elements have no need to gain or lose electrons, minimizing their tendency to participate in chemical reactions.

5. How does friction affect motion?

Correct answer: b

Rationale: Friction opposes motion, leading to a decrease in speed or hindering movement.

6. What is the name of the microscopic filtering unit within the kidney responsible for waste removal and blood volume regulation?

Correct answer: A

Rationale: The correct answer is A: Nephron. The nephron is the functional unit of the kidney responsible for waste removal and blood volume regulation. It consists of the renal corpuscle, including the glomerulus for filtration, and the renal tubule for reabsorption and secretion. The other options, such as the ureteric bud, renal pyramid, and glomerulus, are structures within the kidney but do not specifically refer to the filtering unit responsible for waste removal and blood volume regulation like the nephron does.

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