how does the nervous system work with the muscular system
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Nursing Elites

HESI A2

Anatomy HESI A2

1. How does the nervous system work with the muscular system?

Correct answer: B

Rationale: The correct answer is B because the nervous system communicates with the muscular system to control voluntary and involuntary muscle movements. The nervous system sends signals to the muscles, instructing them on how to respond to various stimuli in the environment. This communication allows for coordinated movement and responses to external and internal changes. Choice A is incorrect because muscles do not produce chemicals to feed the nerves. Choice C is incorrect because the nervous system does not release chemicals to remove waste from the muscles. Choice D is incorrect because the muscular system does not provide input for the nerves to make decisions.

2. Which part of the brain is responsible for regulating body temperature?

Correct answer: D

Rationale: The hypothalamus is the part of the brain responsible for regulating body temperature, along with controlling other autonomic functions like hunger, thirst, and sleep. It acts as the body's internal thermostat, helping to maintain a stable internal environment despite external temperature changes. The cerebrum is mainly associated with functions like thinking, perception, and voluntary movements, making it unrelated to regulating body temperature. The cerebellum is involved in coordination and balance, not in regulating body temperature. The brainstem is essential for basic life functions like breathing and heart rate, but it is not primarily responsible for regulating body temperature.

3. Which gland is responsible for regulating metabolism?

Correct answer: C

Rationale: The thyroid gland is responsible for regulating metabolism. It produces hormones such as thyroxine, which plays a key role in influencing the body's metabolic rate. The pituitary gland is known as the 'master gland' but is not directly responsible for regulating metabolism. The adrenal gland is involved in the stress response and producing hormones like cortisol, not primarily regulating metabolism. The pineal gland produces melatonin, which regulates sleep-wake cycles, not metabolism. Therefore, the correct answer is the thyroid gland.

4. Which organ system is largely responsible for controlling stress?

Correct answer: A

Rationale: The endocrine system is largely responsible for controlling stress through the release of hormones such as cortisol and adrenaline. These hormones help regulate the body's response to stress by increasing heart rate, blood pressure, and energy production. The endocrine system plays a crucial role in the body's stress response and helps the body adapt to and cope with stressful situations. The digestive system (Choice B) is primarily responsible for breaking down food and absorbing nutrients, not controlling stress. The lymphatic system (Choice C) is responsible for immune function and maintaining fluid balance, not controlling stress. The respiratory system (Choice D) is responsible for the exchange of oxygen and carbon dioxide, not controlling stress.

5. What is the name of the bone in the human thigh?

Correct answer: B

Rationale: The correct answer is B. Femur. The femur, also known as the thigh bone, is located in the human thigh. It is the longest and strongest bone in the human body, extending from the hip to the knee. The ulna, radius, and humerus, on the other hand, are bones found in the arm. Therefore, choices A, C, and D are incorrect as they are bones of the arm, not the thigh.

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