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

The Kidneys

Anatomy & Physiology

25. The Urinary System

The Kidneys

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Multiple Choice

Which hormone is produced by the kidneys?

Aldosterone

Thyroxine

Insulin

Erythropoietin

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Verified step by step guidance

Step 1: Understand the role of the kidneys in hormone production. The kidneys are responsible for filtering blood, maintaining electrolyte balance, and producing hormones that regulate various physiological processes.

Step 2: Identify the hormone produced by the kidneys. The kidneys produce erythropoietin, a hormone that stimulates the production of red blood cells in the bone marrow in response to low oxygen levels in the blood.

Step 3: Differentiate erythropoietin from other hormones listed in the options. Aldosterone is produced by the adrenal glands and regulates sodium and potassium balance. Thyroxine is produced by the thyroid gland and regulates metabolism. Insulin is produced by the pancreas and regulates blood sugar levels.

Step 4: Recognize the physiological importance of erythropoietin. It plays a critical role in maintaining oxygen-carrying capacity in the blood, especially during conditions like anemia or hypoxia.

Step 5: Confirm the correct answer based on the information provided. The hormone produced by the kidneys is erythropoietin, as none of the other options are kidney-derived hormones.