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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 Heart2h 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

11. Nervous Tissue and Nervous System

Ions - Sodium and Potassium

Anatomy & Physiology

11. Nervous Tissue and Nervous System

Ions - Sodium and Potassium

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Multiple Choice

The sodium-potassium ion pump will __________.

pump three potassium ions out of the cell for every two sodium ions it brings into the cell

pump one potassium ion out of the cell for every ion of sodium it brings into the cell

pump one sodium ion out of the cell for every ion of potassium it brings into the cell

pump three sodium ions out of the cell for every two ions of potassium it brings into the cell

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Verified step by step guidance

Understand the function of the sodium-potassium pump: It is a type of active transport mechanism that moves ions across the cell membrane against their concentration gradients using ATP.

Identify the ions involved: The sodium-potassium pump specifically transports sodium (Na⁺) and potassium (K⁺) ions.

Recall the ratio of ions transported: The pump moves three sodium ions (Na⁺) out of the cell and two potassium ions (K⁺) into the cell.

Recognize the direction of ion movement: Sodium ions are pumped out of the cell, while potassium ions are brought into the cell.

Connect the function to cellular homeostasis: This pump helps maintain the electrochemical gradient and resting membrane potential essential for various cellular processes.