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Nursing Elites

ATI TEAS 7

Chemistry

1. What is the stoichiometric coefficient of nitrogen (N2) in the balanced equation for the Haber process: N2 + 3H2 → 2NH3?

Correct answer: a

Rationale: The coefficient of N2 is 1 in the balanced equation

2. The "master gland" of the endocrine system, located at the base of the brain, secretes various hormones that control other glands is the:

Correct answer: B

Rationale: The correct answer is B: Pituitary gland. The pituitary gland is often referred to as the "master gland" because it plays a crucial role in regulating other endocrine glands in the body. It is located at the base of the brain and secretes various hormones that control functions such as growth, metabolism, reproduction, and stress response. The thyroid gland (A) regulates metabolism, the adrenal gland (C) produces hormones involved in stress response, and the pancreas (D) is primarily responsible for regulating blood sugar levels through insulin production, but they do not serve as the master gland of the endocrine system.

3. What happens to the kinetic energy of an object when its velocity is doubled?

Correct answer: c

Rationale: Kinetic energy is directly proportional to the square of an object's velocity.

4. According to Newton's third law of motion, for every action, there is an equal and opposite ___________.

Correct answer: a

Rationale: Newton's third law states that for every force or action, there is an equal and opposite reaction.

5. Lymphedema, a chronic condition, occurs when:

Correct answer: B

Rationale: The correct answer is B: "Lymph vessels become blocked." Lymphedema is a chronic condition characterized by swelling due to the accumulation of lymph fluid. This occurs when lymph vessels become blocked, preventing the proper drainage of lymph fluid. Inflammation of lymph nodes (option A) is not the direct cause of lymphedema. The spleen malfunctioning (option C) and bone marrow production decreasing (option D) are not directly related to the development of lymphedema. Understanding the blockage of lymph vessels is crucial in comprehending the pathophysiology of lymphedema.

6. The scientist discovered a new species of butterfly in the rainforest. What is the past tense of the verb "discover"?

Correct answer: B

Rationale: The past tense of a verb describes an action that happened in the past.

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