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 Step 1: Glomerular Filtration

Anatomy & Physiology

25. The Urinary System

Renal Physiology Step 1: Glomerular Filtration

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Multiple Choice

Which of the following should not be found in the filtrate in the Bowman's capsule?

Water

Urea

Glucose

Proteins

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Verified step by step guidance

Understand the function of the Bowman's capsule: It is part of the nephron in the kidney where blood filtration begins. The filtrate is the fluid that passes through the glomerular capillaries into the Bowman's capsule.

Identify what typically passes through the filtration barrier: The filtration barrier allows water, ions, and small molecules like urea and glucose to pass through, but it restricts larger molecules.

Consider the size and charge of molecules: Proteins are large molecules, and the filtration barrier in the Bowman's capsule is designed to prevent large molecules from passing into the filtrate.

Recognize the role of the filtration barrier: The barrier consists of endothelial cells, a basement membrane, and podocytes, which work together to prevent proteins and other large molecules from entering the filtrate.

Conclude that proteins should not be found in the filtrate: Due to their size, proteins are typically retained in the bloodstream and should not be present in the filtrate within the Bowman's capsule.