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

17. The Blood

Erythrocytes: Hemoglobin

Anatomy & Physiology

17. The Blood

Erythrocytes: Hemoglobin

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Multiple Choice

Which of the following stimulates red blood cell production?

Cortisol

Thyroxine

Erythropoietin

Insulin

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Verified step by step guidance

Understand the role of erythropoietin: Erythropoietin is a hormone produced primarily by the kidneys. It plays a crucial role in the production of red blood cells (RBCs) by stimulating the bone marrow.

Recognize the physiological trigger: Erythropoietin production is stimulated by low oxygen levels in the blood, a condition known as hypoxia. When the kidneys detect low oxygen levels, they release erythropoietin to increase RBC production.

Differentiate between the hormones listed: Cortisol, thyroxine, and insulin have different functions. Cortisol is involved in stress response, thyroxine regulates metabolism, and insulin controls blood glucose levels. None of these directly stimulate RBC production.

Identify the correct hormone: Among the options provided, erythropoietin is the hormone specifically responsible for stimulating red blood cell production.

Connect the concept to clinical relevance: Understanding erythropoietin's role is important in clinical settings, especially in conditions like anemia or chronic kidney disease, where erythropoietin levels may be altered.