Question

Sodium-potassium pump transports

• A. $Na^{+}$ and $K^{+}$ out of the neuron
• B. $Na^{+}$ and $K^{+}$ into the neuron
• C. $Na^{+}$ into the neuron and $K^{+}$ out of the neuron
• D. $K^{+}$ into the neuron and $Na^{+}$ out of the neuron

Answer 1

Answer: (D)

$K^{+}$ into the neuron and $Na^{+}$ out of the neuron

Answer 2

Each $Na^{+}$ - $K^{+}$ pump expels three $Na^{+}$ ions for every two $K^{+}$ ions imported