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

What is the condition characterized by a gradual loss of function of the nephrons in the kidneys?

Nephrolithiasis

Acute renal failure

Urinary tract infection

Chronic kidney disease

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Verified step by step guidance

Step 1: Understand the function of nephrons in the kidneys. Nephrons are the functional units of the kidneys responsible for filtering blood, removing waste, and regulating water and electrolyte balance.

Step 2: Review the condition described in the problem. Chronic kidney disease (CKD) is characterized by a gradual and progressive loss of nephron function over time, leading to impaired kidney function.

Step 3: Differentiate CKD from other conditions listed in the problem. Nephrolithiasis refers to kidney stones, acute renal failure is a sudden loss of kidney function, and urinary tract infection is an infection in the urinary system. None of these involve gradual nephron loss like CKD.

Step 4: Recognize the hallmark of CKD, which is the slow progression of nephron damage often caused by conditions like diabetes, hypertension, or chronic inflammation.

Step 5: Conclude that the correct answer is Chronic kidney disease, as it matches the description of gradual nephron loss in the kidneys.