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 statements about the posterior pituitary is true?

The posterior pituitary is connected to the hypothalamus via the hypothalamic-hypophyseal portal system.

The posterior pituitary releases hormones that are synthesized in the hypothalamus.

The posterior pituitary relies on tropic hormones to signal when to release ADH and oxytocin.

The posterior pituitary releases tropic hormones that target other endocrine glands.

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Verified step by step guidance

Understand the role of the posterior pituitary: The posterior pituitary, also known as the neurohypophysis, is responsible for releasing hormones into the bloodstream.

Identify the connection between the hypothalamus and the posterior pituitary: The posterior pituitary is connected to the hypothalamus via nerve fibers, not the hypothalamic-hypophyseal portal system, which is associated with the anterior pituitary.

Recognize the hormones involved: The posterior pituitary releases two main hormones, antidiuretic hormone (ADH) and oxytocin, which are synthesized in the hypothalamus.

Clarify the mechanism of hormone release: The posterior pituitary does not rely on tropic hormones for signaling. Instead, it releases hormones directly into the bloodstream when nerve signals from the hypothalamus are received.

Differentiate between tropic and non-tropic hormones: Tropic hormones are those that stimulate other endocrine glands to release hormones. The posterior pituitary releases non-tropic hormones, ADH and oxytocin, which act directly on target tissues.