As a Result of the Way Nerve Impulses Are Propagated

question 1

Multiple Choice

As a result of the way nerve impulses are propagated, they are unidirectional. Which of the following does NOT contribute to this phenomenon?

• A)Unidirectional sodium and potassium channels open only toward the axon of the nerve cell.
• B)Presynaptic neurotransmitters and postsynaptic receptors are separated.
• C)Sensory processes are oriented in such a manner that the information is targeted to the dendrites of the nerve cell.
• D)The time interval encompassed by the refractory period does NOT allow the impulse to travel in reverse.
• E)none of the above

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Definitions:

Motivated

Driven or prompted to act towards a goal, inspired by various internal or external factors.

Adler

Alfred Adler, an Austrian medical doctor and psychotherapist known for his development of Individual Psychology, which emphasizes the importance of feelings of inferiority and the creative power of the individual to shape his or her life.

Defense Mechanism

Psychological strategies brought into play by the unconscious mind to manipulate, deny, or distort reality in order to defend against feelings of anxiety and unacceptable impulses.

Repression

is a psychological defense mechanism where distressing thoughts, memories, or feelings are unconsciously pushed out of conscious thought.