Question

Complete the following paragraph by selecting the option that gives correct sequence of words.

When a stimulus is applied at a site on the polarized membrane, the membrane at that site becomes freely permeable to (i) ions. It causes rapid influx of (ii) ions leading to of the membrane.

(i) (ii) (iii)

• A. $\mathrm { Na } ^ { + }$ $\mathrm { K } ^ { + }$ depolarization
• B. $\mathrm { K } ^ { + }$ depolarization
• C. $\mathrm { Na } ^ { + }$ depolarization
• D. $\mathrm { K } ^ { + }$ $\mathrm { Na } ^ { + }$ depolarization

Answer 1

Answer: (C)

$\mathrm { Na } ^ { + }$ depolarization