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

What is the effect of increased hydrostatic pressure of blood on glomerular filtration rate (GFR)?

It causes the glomerular filtration rate to fluctuate randomly.

It decreases the glomerular filtration rate.

It has no effect on the glomerular filtration rate.

It increases the glomerular filtration rate.

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Verified step by step guidance

Understand the concept of hydrostatic pressure: Hydrostatic pressure is the force exerted by a fluid due to gravity. In the context of the kidneys, it refers to the pressure exerted by the blood within the glomerular capillaries.

Learn about glomerular filtration rate (GFR): GFR is the rate at which the kidneys filter blood, removing waste and excess substances to form urine. It is a crucial indicator of kidney function.

Explore the relationship between hydrostatic pressure and GFR: The glomerular filtration rate is influenced by the pressure within the glomerular capillaries. Increased hydrostatic pressure typically leads to an increase in GFR.

Consider the physiological mechanism: When hydrostatic pressure in the glomerular capillaries increases, it enhances the force driving the filtration of blood through the glomerular membrane, thereby increasing GFR.

Review the options given in the problem: The correct answer is that increased hydrostatic pressure increases the glomerular filtration rate, as it enhances the filtration process by exerting more force on the glomerular membrane.