Table of contents

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1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 39m
3. Energy & Cell Processes10h 8m
4. Tissues & Histology10h 3m
5. Integumentary System2h 28m
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 System3h 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

Blood Supply of the Kidneys

Anatomy & Physiology

25. The Urinary System

Blood Supply of the Kidneys

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Multiple Choice

The blood supply leading directly into the nephron is the __________.

renal artery

segmental artery

efferent arteriole

afferent arteriole

interlobular artery

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Verified step by step guidance

Understand the structure of the nephron and its blood supply. The nephron is the functional unit of the kidney, responsible for filtering blood and forming urine.

Identify the sequence of blood vessels that supply the nephron. Blood enters the kidney through the renal artery, which branches into smaller arteries.

Recognize that the renal artery branches into segmental arteries, which further divide into interlobular arteries.

Learn that the interlobular arteries give rise to afferent arterioles, which directly supply blood to the glomerulus of the nephron.

Note that the efferent arteriole carries blood away from the glomerulus, not into it. Therefore, the afferent arteriole is the correct vessel leading directly into the nephron.