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

3. Energy & Cell Processes

Introduction to Metabolism

Anatomy & Physiology

3. Energy & Cell Processes

Introduction to Metabolism

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Multiple Choice

At what stage of shock does metabolic acidosis typically develop?

Progressive stage

Initial stage

Compensated stage

Recovery stage

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Verified step by step guidance

Understand the concept of shock: Shock is a life-threatening condition where the body fails to deliver adequate oxygen and nutrients to tissues, leading to cellular dysfunction. It progresses through distinct stages: initial, compensated, progressive, and recovery.

Learn about metabolic acidosis: Metabolic acidosis occurs when there is an accumulation of acid or a significant loss of bicarbonate in the body, often due to inadequate oxygen delivery, leading to anaerobic metabolism and lactic acid buildup.

Analyze the stages of shock: In the initial stage, the body begins to experience reduced oxygen delivery, but cellular function is still maintained. In the compensated stage, the body activates mechanisms like increased heart rate and vasoconstriction to maintain perfusion. In the progressive stage, compensatory mechanisms fail, leading to widespread hypoxia, anaerobic metabolism, and lactic acid accumulation, which causes metabolic acidosis.

Understand why metabolic acidosis develops in the progressive stage: During this stage, tissue hypoxia becomes severe, and cells switch to anaerobic metabolism, producing lactic acid as a byproduct. The accumulation of lactic acid lowers blood pH, resulting in metabolic acidosis.

Review the recovery stage: If the shock is successfully treated, the recovery stage involves the restoration of normal oxygen delivery and cellular function, allowing the body to correct the metabolic acidosis and return to homeostasis.