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

25. The Urinary System

Renal Physiology: Overview

Anatomy & Physiology

25. The Urinary System

Renal Physiology: Overview

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Multiple Choice

How do the kidneys respond to excess water in the body?

By enhancing the reabsorption of sodium ions

By increasing the reabsorption of water in the nephrons

By decreasing the release of antidiuretic hormone (ADH)

By increasing the secretion of aldosterone

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Verified step by step guidance

Understand the role of the kidneys in maintaining homeostasis, particularly in regulating water balance in the body.

Learn about antidiuretic hormone (ADH), which is produced by the hypothalamus and stored in the pituitary gland. ADH plays a crucial role in controlling water reabsorption in the kidneys.

Recognize that when there is excess water in the body, the kidneys need to reduce water reabsorption to maintain balance. This is achieved by decreasing the release of ADH.

Explore how decreased ADH levels lead to reduced permeability of the collecting ducts in the nephrons, resulting in less water being reabsorbed back into the bloodstream and more being excreted as urine.

Understand that aldosterone primarily regulates sodium and potassium balance, and its secretion is not directly related to the body's response to excess water.