Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

16. The Endocrine System

The Hypothalamus and Pituitary Gland

Anatomy & Physiology

16. The Endocrine System

The Hypothalamus and Pituitary Gland

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Multiple Choice

Which of the following hormones is secreted by the hypothalamus?

Growth hormone (GH)

Thyroid-stimulating hormone (TSH)

Corticotropin-releasing hormone (CRH)

Prolactin

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Verified step by step guidance

Step 1: Understand the role of the hypothalamus in the endocrine system. The hypothalamus is a key regulatory center in the brain that controls various physiological processes, including hormone secretion. It produces releasing and inhibiting hormones that regulate the activity of the pituitary gland.

Step 2: Identify the hormones listed in the question and their sources. Growth hormone (GH) and prolactin are secreted by the anterior pituitary gland, while thyroid-stimulating hormone (TSH) is also secreted by the anterior pituitary gland. Corticotropin-releasing hormone (CRH), however, is secreted by the hypothalamus.

Step 3: Recall the function of CRH. Corticotropin-releasing hormone (CRH) is released by the hypothalamus to stimulate the anterior pituitary gland to secrete adrenocorticotropic hormone (ACTH), which in turn stimulates the adrenal glands to produce cortisol.

Step 4: Eliminate the incorrect options based on their sources. Since GH, TSH, and prolactin are secreted by the anterior pituitary gland, they cannot be correct answers to the question asking for a hormone secreted by the hypothalamus.

Step 5: Confirm that CRH is the correct answer. CRH is the only hormone listed that is secreted by the hypothalamus, making it the correct choice.