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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

Electrolyte Balance

Anatomy & Physiology

26. Fluid and Electrolyte Balance, Acid Base Balance

Electrolyte Balance

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Multiple Choice

What is the most abundant anion in the extracellular fluid?

Phosphate

Bicarbonate

Chloride

Sulfate

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Verified step by step guidance

Understand the concept of extracellular fluid (ECF), which is the fluid outside of cells, including plasma and interstitial fluid.

Recognize that ions are charged particles that play crucial roles in maintaining fluid balance and transmitting nerve impulses.

Identify the major anions present in the extracellular fluid, which include chloride, bicarbonate, phosphate, and sulfate.

Recall that chloride ions (Cl⁻) are the most abundant anions in the extracellular fluid, contributing significantly to osmotic pressure and acid-base balance.

Consider the physiological importance of chloride in processes such as maintaining electrical neutrality and participating in the chloride shift in red blood cells.