Which of the Following Situations Occurs in Electrically Excitable Cells

question 94

Multiple Choice

Which of the following situations occurs in electrically excitable cells?

• A) When Na⁺ channels open, K⁺ channels close.
• B) The sodium-potassium pump moves Na⁺ into the cell.
• C) Depolarization causes voltage-gated Na⁺ channels to open.
• D) Ligand-gated Na⁺ channels are opened by high extracellular Ca²⁺ levels.
• E) Proteins tend to diffuse out of the cell.

---

Definitions:

Outside Opinions

Perspectives or advice that come from individuals not directly involved in a situation or problem, often considered to provide objective viewpoints.

Diffusion of Responsibility

A socio-psychological phenomenon whereby a person is less likely to take responsibility for action or inaction when others are present.

Prosocial Behavior

Acts performed with the intention of benefiting others, such as helping, sharing, or donating.

Cyberbullying

A form of bullying or harassment using electronic means, typically through social media platforms, emails, or text messages.