Which represents the charged environment inside a resting neuron and the interstitial fluid that surrounds it?
A) negatively charged proteins inside; more sodium ions inside than outside; more potassium ions outside than inside
B) positively charged proteins inside; more sodium ions inside than outside; more potassium ions outside than inside
C) negatively charged proteins inside; more sodium ions outside than inside; more potassium ions inside than outside
D) positively charged proteins inside; more sodium ions outside than inside; more potassium ions inside than outside
E) negatively charged proteins inside; equal amounts of sodium and potassium ions inside and outside

Question

Which represents the charged environment inside a resting neuron and the interstitial fluid that surrounds it?​
A) ​negatively charged proteins inside; more sodium ions inside than outside; more potassium ions outside than inside
B) ​positively charged proteins inside; more sodium ions inside than outside; more potassium ions outside than inside
C) ​negatively charged proteins inside; more sodium ions outside than inside; more potassium ions inside than outside
D) ​positively charged proteins inside; more sodium ions outside than inside; more potassium ions inside than outside
E) ​negatively charged proteins inside; equal amounts of sodium and potassium ions inside and outside

Quizplus · Accepted Answer

The resting neuron has a negatively charged interior due to the presence of negatively charged proteins. There are more sodium ions outside the neuron than inside, and more potassium ions inside the neuron than outside.

Which Represents the Charged Environment Inside a Resting Neuron and the Interstitial