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

26. Fluid and Electrolyte Balance, Acid Base Balance

Acid-Base Balance

Anatomy & Physiology

26. Fluid and Electrolyte Balance, Acid Base Balance

Acid-Base Balance

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Multiple Choice

In a respiratory acidosis, which of the following actions would the kidney most likely take to compensate?

Increase hydrogen ion secretion

Decrease hydrogen ion secretion

Decrease bicarbonate reabsorption

Increase bicarbonate reabsorption

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Verified step by step guidance

Understand the condition: Respiratory acidosis occurs when there is an excess of carbon dioxide (CO2) in the blood, leading to a decrease in blood pH (more acidic). This is often due to hypoventilation or lung diseases that impair CO2 removal.

Identify the body's compensatory mechanisms: The body attempts to restore normal pH levels through various compensatory mechanisms. In the case of respiratory acidosis, the kidneys play a crucial role in compensating for the increased acidity.

Consider the role of the kidneys: The kidneys help regulate blood pH by adjusting the excretion of hydrogen ions (H+) and the reabsorption of bicarbonate ions (HCO3^-).

Determine the appropriate kidney response: To compensate for the acidosis, the kidneys would aim to increase the blood's buffering capacity. This is achieved by increasing the reabsorption of bicarbonate ions (HCO3^-), which can neutralize excess hydrogen ions (H+).

Conclude the compensatory action: Therefore, in response to respiratory acidosis, the kidneys would most likely increase bicarbonate reabsorption to help restore normal pH levels in the blood.