Toward the End of the Relative Refractory Period, the Continued

question 86

Multiple Choice

Toward the end of the relative refractory period, the continued decrease in stimulus intensity required to initiate an action potential is caused by

• A)closure of the sodium activation gate.
• B)decreased sodium permeability.
• C)decreased potassium permeability.
• D)the number of sodium channels whose inactivation gate has not opened.
• E)increased potassium permeability.

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Definitions:

Ego

In psychoanalytic theory, the part of the mind that mediates between conscious and unconscious processes, often associated with a sense of self and reality testing.

Libido

The psychological and emotional energy associated with instinctual biological drives, especially related to sexuality.

Complexes

A core pattern of emotions, memories, perceptions, and wishes in the personal unconscious organized around a common theme, such as power or status.

Conscious Control

The deliberate use of one's attention and decision-making to regulate thoughts, feelings, and actions.