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

Introduction to the Urinary System

Anatomy & Physiology

25. The Urinary System

Introduction to the Urinary System

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Multiple Choice

Which of the following is a characteristic of the intrarenal category of acute renal failure?

Damage to the renal tubules

Dehydration leading to hypovolemia

Obstruction of the ureter

Decreased blood flow to the kidneys

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Verified step by step guidance

Understand the three categories of acute renal failure: prerenal, intrarenal, and postrenal. Prerenal failure is caused by decreased blood flow to the kidneys, intrarenal failure is due to direct damage to kidney structures (e.g., renal tubules), and postrenal failure results from obstruction in the urinary tract.

Focus on the intrarenal category. Intrarenal acute renal failure occurs when there is direct damage to the kidney's internal structures, such as the renal tubules, glomeruli, or interstitial tissue.

Recognize that damage to the renal tubules is a hallmark characteristic of intrarenal acute renal failure. This damage can result from conditions like ischemia, toxins, or infections that directly affect the kidney tissue.

Evaluate the other options: Dehydration leading to hypovolemia is associated with prerenal failure, as it reduces blood flow to the kidneys. Obstruction of the ureter is linked to postrenal failure, as it prevents urine from leaving the kidneys.

Conclude that the correct characteristic of intrarenal acute renal failure is damage to the renal tubules, as this directly affects the kidney's ability to filter and process waste.