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PTECH Physiology QUESTION #3174
Question 1
The 'Sodium-Potassium Pump' ($Na^+/K^+$ ATPase) is a classic example of:
  • Facilitated Diffusion
  • Primary Active Transport✔️
  • Osmosis
  • Secondary Active Transport
Correct Answer Explanation
The pump uses ATP directly to move $3~Na^+$ out and $2~K^+$ into the cell against their gradients.