What Would Be Disrupted If the K⁺ Channels of an Excitable

question 28

Multiple Choice

What would be disrupted if the K⁺ channels of an excitable plasma membrane were blocked by the action of a drug?

• A) depolarization
• B) repolarization
• C) hyperpolarization
• D) hypopolarization

---

Definitions:

Recall

The act of retrieving information or memories from one's past without specific cues, often tested as a measure of memory.

Recognition

The cognitive process of identifying and acknowledging the presence or existence of something previously seen, heard, or known.

Repetition

The act or process of doing something again, either once or multiple times, often used for emphasis or to reinforce an idea.

Recency Effect

The tendency to remember the most recently presented information best.