Figure 11- 2 the Nerve Action Potential

question 82

Multiple Choice

Figure 11- 2 The Nerve Action Potential
Use Figure 11- 2 to answer the following questions:
-The myelin sheath that covers many CNS axons is formed by

• A) satellite cells.
• B) astrocytes.
• C) oligodendrocytes.
• D) microglia.
• E) ependymal cells.

---

Definitions:

External Validity

Refers to the extent to which the results of a study can be generalized to other settings, people, times, and measures.

Manipulation Check

A process in experiments to ensure that the manipulation of variables has the intended effect on participants.

Factorial Study

A research design used to assess the influence and interaction effects of two or more independent variables on one or more dependent variables.

Professional Meetings

Gatherings or conferences for professionals in a specific field to discuss recent advances, research, and issues relevant to their area of expertise.