Figure 13.2 Using the Above-Referenced Diagram of a Myelinated Axon in the a Myelinated

question 28

Multiple Choice

Figure 13.2

Using the above-referenced diagram of a myelinated axon in the PNS, identify the specified labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label P.

• A) Axolemma
• B) Myelin sheath
• C) Schwann cell nucleus
• D) Microglia
• E) Unmyelinated segment

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Definitions:

Ego

In psychoanalytic theory, the part of the psyche that mediates between the demands of the id, superego, and reality.

Id

In Freudian psychology, the part of the human psyche that is the source of instinctual impulses and demands for immediate satisfaction of basic needs.

Superego

A component of Sigmund Freud's psychoanalytic theory, representing the ethical or moral conscience.

Defence Mechanism

Psychological strategies deployed by individuals unconsciously to protect themselves from anxiety arising from unacceptable thoughts or feelings.