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

In renal physiology, which of the following substances typically escape into the filtrate during the process of glomerular filtration?

Glucose

Red blood cells

Proteins

Water

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Verified step by step guidance

Understand the process of glomerular filtration: It occurs in the kidneys where blood is filtered through the glomerulus, a network of capillaries, into the Bowman's capsule.

Identify the components of blood: Blood contains water, ions, small molecules like glucose, and larger components such as proteins and cells (e.g., red blood cells).

Recognize the size and charge selectivity of the glomerular filtration barrier: The barrier allows small molecules and water to pass through while restricting larger molecules and cells.

Analyze the substances listed: Glucose, water, red blood cells, and proteins. Consider their size and whether they can pass through the filtration barrier.

Conclude that water, being a small molecule, easily passes through the filtration barrier into the filtrate, while larger molecules like proteins and cells like red blood cells are typically retained in the bloodstream.