which of the following is not one of the locations in which hormones are released when under stress
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HESI A2

HESI A2 Anatomy and Physiology Quizlet

1. Which of the following locations is not involved in the release of hormones during stress?

Correct answer: A

Rationale: The parathyroid gland is not involved in the release of hormones during stress. It is responsible for regulating calcium levels in the blood by secreting parathyroid hormone. During stress, the adrenal cortex, posterior pituitary, and hypothalamus play crucial roles in releasing stress hormones like cortisol, adrenaline, and oxytocin. Therefore, the correct answer is the parathyroid gland, as it is not directly associated with the release of stress-related hormones.

2. Which gland is responsible for regulating metabolism and growth?

Correct answer: A

Rationale: The correct answer is the Thyroid gland. The thyroid gland is responsible for regulating metabolism and growth. It produces hormones such as thyroxine (T4) and triiodothyronine (T3), which play essential roles in controlling metabolic processes, growth, and development throughout the body. Choice B, the Pituitary gland, although important for hormone regulation, is not primarily responsible for regulating metabolism and growth. Choices C and D, the Adrenal gland and Pineal gland, respectively, have different functions and are not primarily involved in regulating metabolism and growth.

3. Which hormone is produced by the thyroid gland?

Correct answer: B

Rationale: Thyroxine is the hormone produced by the thyroid gland. It plays a crucial role in regulating metabolism, heart rate, and growth. Insulin is produced by the pancreas to regulate blood sugar levels, not by the thyroid gland. Glucagon is also produced by the pancreas and helps increase blood sugar levels. Cortisol is produced by the adrenal glands and is involved in stress response and metabolism, not by the thyroid gland.

4. Which vitamin is necessary for calcium absorption?

Correct answer: C

Rationale: Vitamin D is essential for the absorption of calcium in the intestines, aiding in the maintenance of strong bones and teeth. It helps regulate calcium and phosphorus levels in the body, supporting bone health and preventing conditions like osteoporosis. Vitamin A (Choice A) is important for vision and immune function, not specifically for calcium absorption. Vitamin C (Choice B) is crucial for collagen synthesis and immune function but is not directly involved in calcium absorption. Vitamin K (Choice D) plays a role in blood clotting and bone health, but it is not primarily responsible for calcium absorption.

5. Which structure in the brain is involved in regulating body temperature?

Correct answer: B

Rationale: The correct answer is B, the Hypothalamus. The hypothalamus plays a crucial role in regulating body temperature, hunger, thirst, and other autonomic functions, aiding in the maintenance of homeostasis within the body. It acts as the body's thermostat, responding to internal and external temperature changes to keep the body within a narrow temperature range. Choices A, C, and D are incorrect. The cerebellum is mainly involved in coordinating voluntary movements and balance. The medulla oblongata controls vital functions such as heartbeat and breathing. The pineal gland is responsible for producing melatonin, which regulates sleep-wake cycles.

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