The Difference Between Myelinated and Unmyelinated Axons in the PNS

question 63

Multiple Choice

The difference between myelinated and unmyelinated axons in the PNS is that

• A) Schwann cells are not associated with unmyelinated axons.
• B) Schwann cells form more widely spaced nodes of Ranvier in unmyelinated axons.
• C) Schwann cells simultaneously surround multiple axons in myelinated axons.
• D) Schwann cells wrap around myelinated axons in concentric layers.

---

Definitions:

Categorical Variables

Non-numeric variables that represent categories or groups.

Pie Charts

A type of graph in which a circle is divided into sectors that each represent a proportion of the whole, often used to visualize the relative proportions of different categories.

Bar Graphs

A visual representation of data using bars of varying heights or lengths to show the values of different categories.

Leaf

In botany, this refers to the flat, thin plant organ specialized for photosynthesis; in data visualization, particularly in a "tree" structure, it represents an endpoint or a data point that does not branch out further.