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

19. The Blood Vessels

Introduction to Blood Vessels

Anatomy & Physiology

19. The Blood Vessels

Introduction to Blood Vessels

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Multiple Choice

The capillary bed fed by an afferent arteriole and drained by an efferent arteriole is a:

sinusoid

venule

arteriovenous anastomosis

glomerulus

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Verified step by step guidance

Step 1: Understand the anatomy of the renal system. The glomerulus is a specialized capillary bed located in the kidneys, specifically within the nephron, which is the functional unit of the kidney.

Step 2: Recognize the unique vascular structure of the glomerulus. It is fed by an afferent arteriole, which brings blood into the capillary bed, and drained by an efferent arteriole, which carries blood away. This is distinct from most capillary beds, which are typically drained by venules.

Step 3: Compare the glomerulus to other vascular structures. Sinusoids are irregularly shaped capillaries found in organs like the liver and spleen, venules are small veins that drain capillary beds, and arteriovenous anastomoses are direct connections between arterioles and venules, bypassing capillary beds entirely.

Step 4: Identify the function of the glomerulus. Its primary role is filtration of blood to form the initial filtrate, which will eventually become urine. This filtration process is driven by hydrostatic pressure within the glomerular capillaries.

Step 5: Conclude that the correct answer is 'glomerulus' based on its unique structure and function, as well as its role in the renal system.