What Is Thought to Cause the Sodium Channels That Initiate

question 65

Multiple Choice

What is thought to cause the sodium channels that initiate an action potential to be inactivated for a brief time after being open for about 1 msec?

• A)a higher positive charge
• B)a higher negative charge
• C)the random diffusion of an inactivation peptide into the opening of the channel pore
• D)removal of a peptide from the channel protein
• E)covalent addition of a peptide to the cytoplasmic end of the channel protein

---

Definitions:

Shaken

Often refers to the physical act of moving something vigorously or a state of emotional disturbance and upset.

Biopsychosocial

An interdisciplinary model that looks at the interconnection between biology, psychology, and socio-environmental factors in understanding health and illness.

Health Professionals

Individuals who offer services that improve, maintain, or restore health through the study, diagnosis, treatment, and prevention of disease and other physical and mental impairments in humans.

Physical Illness

A condition affecting the body's structure or function that is not caused by an injury. It includes diseases and disorders.