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

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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Multiple Choice

Antidiuretic hormone exerts its effects by which of the following mechanisms?

Inhibiting the secretion of thyroid hormones

Promoting the breakdown of glycogen in the liver

Stimulating the release of insulin from the pancreas

Increasing water reabsorption in the kidneys

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Verified step by step guidance

Understand the role of antidiuretic hormone (ADH), also known as vasopressin, in the body. ADH primarily helps regulate water balance by acting on the kidneys.

Recognize that ADH targets the kidneys, specifically the collecting ducts, to increase water reabsorption. This process helps concentrate urine and maintain body fluid balance.

Consider the mechanism of action: ADH binds to receptors on the cells of the kidney's collecting ducts, leading to the insertion of water channels called aquaporins into the cell membranes.

These aquaporins allow water to be reabsorbed from the urine back into the bloodstream, reducing urine volume and increasing water retention.

Eliminate the other options by understanding that ADH does not directly affect thyroid hormone secretion, glycogen breakdown, or insulin release. Its primary function is related to water reabsorption in the kidneys.