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Questions and Answers
What is the primary ion inside the cells?
What is the primary ion inside the cells?
- Chloride
- Potassium (correct)
- Calcium
- Sodium
What creates an electrochemical gradient in cells?
What creates an electrochemical gradient in cells?
- Equal distribution of sodium and potassium inside and outside the cell
- Difference in sodium and potassium levels inside and outside the cell (correct)
- Presence of calcium inside the cell
- High concentration of chloride outside the cell
Which physiological processes can be affected by the sodium-potassium pump?
Which physiological processes can be affected by the sodium-potassium pump?
- Vision, hearing, sense of touch
- Kidney filtering, male fertility, brain and heart functioning (correct)
- Muscle movement, blood circulation, immune response
- Respiratory system, digestive system, endocrine system
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Study Notes
Cellular Environment
- The primary ion inside the cells is potassium (K+).
Electrochemical Gradient
- An electrochemical gradient in cells is created by the unequal distribution of ions across the cell membrane, resulting in a difference in electrical charge between the inside and outside of the cell.
Physiological Processes Affected by Sodium-Potassium Pump
- The sodium-potassium pump can affect various physiological processes, including:
- Nerve impulse transmission and muscle contraction
- Heart function and blood pressure regulation
- Cellular volume regulation and water balance
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