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

What is the term for the overall pressure that drives filtration at the glomerulus?

Hydrostatic pressure

Net filtration pressure

Osmotic pressure

Blood pressure

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Verified step by step guidance

Understand the concept of filtration at the glomerulus: Filtration occurs in the kidneys at the glomerulus, where blood plasma is filtered into the Bowman's capsule. This process is driven by various pressures acting across the filtration membrane.

Identify the types of pressures involved: The pressures include hydrostatic pressure (pressure exerted by fluid), osmotic pressure (pressure due to solutes attracting water), and blood pressure (the force exerted by circulating blood).

Define net filtration pressure (NFP): Net filtration pressure is the overall pressure that drives filtration. It is calculated by combining the effects of hydrostatic pressure, osmotic pressure, and any opposing pressures such as capsular hydrostatic pressure.

Write the formula for net filtration pressure: NFP = (Glomerular hydrostatic pressure) - (Glomerular osmotic pressure + Capsular hydrostatic pressure). This equation represents the balance of forces driving and opposing filtration.

Apply the concept: Net filtration pressure is the term that describes the overall pressure driving filtration at the glomerulus, as it accounts for all contributing pressures in the filtration process.