Use the answer code below to answer this section.
$\begin{array}{lr}
\text { 1. Two permeability changes that occur at the }\\text { peak of an action potential }&\text { increased } \mathrm{P}_{\mathrm{Na}+}\_\_\_\
\text { 2. Ion movement responsible for the rising }&\text { decreased } \mathrm{P}_{\mathrm{Na+}} \text { and }\\text { phase of the action potential }&\text { increased } \mathrm{P}_{\mathrm{K}+}\_\_\_\
\text { 3. Ion movement responsible for the falling }\\text { phase of the action potential }&\mathrm{Na} \text { influx }\_\_\_\
\text { 4. Permeability change that occurs at threshold }&\mathrm{K}^{+} \text {efflux }\_\_\_
\end{array}$

Question

Use the answer code below to answer this section.
 $\begin{array}{lr}
\text { 1. Two permeability changes that occur at the }\\text { peak of an action potential }&\text { increased } \mathrm{P}_{\mathrm{Na}+}\_\_\_\
\text { 2. Ion movement responsible for the rising }&\text { decreased } \mathrm{P}_{\mathrm{Na+}} \text { and }\\text { phase of the action potential }&\text { increased } \mathrm{P}_{\mathrm{K}+}\_\_\_\
\text { 3. Ion movement responsible for the falling }\\text { phase of the action potential }&\mathrm{Na} \text { influx }\_\_\_\
\text { 4. Permeability change that occurs at threshold }&\mathrm{K}^{+} \text {efflux }\_\_\_
\end{array}$

Quizplus · Accepted Answer

The Answer of Use the answer code below to answer this section.
 $\begin{array}{lr}
\text { 1. Two permeability changes that occur at the }\\text { peak of an action potential }&\text { increased } \mathrm{P}_{\mathrm{Na}+}\_\_\_\
\text { 2. Ion movement responsible for the rising }&\text { decreased } \mathrm{P}_{\mathrm{Na+}} \text { and }\\text { phase of the action potential }&\text { increased } \mathrm{P}_{\mathrm{K}+}\_\_\_\
\text { 3. Ion movement responsible for the falling }\\text { phase of the action potential }&\mathrm{Na} \text { influx }\_\_\_\
\text { 4. Permeability change that occurs at threshold }&\mathrm{K}^{+} \text {efflux }\_\_\_
\end{array}$

Use the Answer Code Below to Answer This Section