Which Is True of an Action Potential

question 130

Multiple Choice

Which is true of an action potential?

• A) The plasma membrane is impermeable to Na+ and K+ ions.
• B) Na+ ions move extracellularly.
• C) The charges become equal on the outside and inside of the plasma membrane.
• D) The outside of the plasma membrane is negatively charged, and the inside is positively charged.

---

Definitions:

Psychological Disorders

Mental health conditions characterized by disturbances in thought, emotion, or behavior, leading to personal distress or impaired functioning.

Systematic Desensitization

A behavioral therapy technique used to reduce phobia-related anxiety through gradual exposure to the fear stimulus combined with relaxation exercises.

Progressive Relaxation

A technique that involves tightening and then relaxing each muscle group in succession to induce physical and mental relaxation.

Psychological Functioning

Encompasses the mental processes and behaviors exhibited by an individual, reflecting their mental health and well-being.