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: Regulation of Glomerular Filtration

Anatomy & Physiology

25. The Urinary System

Renal Physiology: Regulation of Glomerular Filtration

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Multiple Choice

Which of the following would reduce the glomerular filtration rate?

Constriction of the efferent arteriole

Increased blood pressure

Dilation of the afferent arteriole

Constriction of the afferent arteriole

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Verified step by step guidance

Understand the role of the glomerular filtration rate (GFR) in the kidneys, which is the rate at which blood is filtered in the glomeruli of the kidney.

Recognize that the afferent arteriole brings blood to the glomerulus, while the efferent arteriole carries blood away.

Consider how changes in the diameter of these arterioles affect blood flow and pressure in the glomerulus.

Constriction of the afferent arteriole reduces blood flow into the glomerulus, decreasing the pressure and thus reducing the GFR.

Contrast this with the effects of constriction of the efferent arteriole, increased blood pressure, and dilation of the afferent arteriole, all of which would increase or maintain GFR rather than reduce it.