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Nursing Elites

ATI TEAS 7

anatomy

1. Which division of the peripheral nervous system is responsible for transmitting signals from the central nervous system to skeletal muscles, enabling voluntary muscle movements?

Correct answer: a

Rationale: The correct answer is A: Somatic nervous system. The somatic nervous system is responsible for transmitting signals from the central nervous system to skeletal muscles, allowing for voluntary muscle movements. This division controls conscious movements such as walking, talking, and picking up objects. The autonomic nervous system (option B) controls involuntary functions like heart rate and digestion, while the sympathetic (option C) and parasympathetic (option D) nervous systems are subcategories of the autonomic system and regulate the body's responses to stress and relaxation, respectively. Therefore, the somatic nervous system is the correct division responsible for voluntary muscle movements.

2. Which hormone, produced by the adrenal glands, plays a crucial role in the body's response to stress, including the regulation of salt and water balance?

Correct answer: A

Rationale: The correct answer is A: Aldosterone. Aldosterone is a hormone produced by the adrenal glands that plays a crucial role in the body's response to stress by regulating salt and water balance. It acts on the kidneys to increase the reabsorption of sodium and water, helping to maintain blood pressure and electrolyte balance during times of stress. Epinephrine and cortisol are also stress hormones produced by the adrenal glands, but they have different functions. Epinephrine is involved in the fight-or-flight response, while cortisol helps regulate metabolism and immune function. Insulin, produced by the pancreas, is involved in glucose metabolism and not directly related to the body's stress response. Therefore, aldosterone is the most appropriate hormone in this context.

3. A table shows the blood pressure readings for different age groups. How do you determine the patient with the highest systolic pressure?

Correct answer: A

Rationale: The best way is to compare the average systolic pressure values for each age group to identify the highest.

4. Neon (Ne). Both He and Ne belong to Group 18 (Noble Gases) due to their complete and stable outer electron shells.

Correct answer: C

Rationale: Strong nuclear force. This incredibly powerful force overcomes the repulsive electrostatic force between protons and binds the nucleus together.

5. Which element is used in semiconductors like computer chips and solar panels?

Correct answer: B

Rationale: Silicon's unique properties allow it to be manipulated to conduct or not conduct electricity, making it ideal for various electronic applications.

6. What is the name for the mixture of reactants and products present during a chemical reaction?

Correct answer: C

Rationale: This mixture contains both the starting materials (reactants) and the newly formed substances (products) during the reaction process.

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