When Compared to Unmyelinated Axons, Myelinated Axons

question 55

Multiple Choice

When compared to unmyelinated axons, myelinated axons:
1) are electrically insulated
2) are gray in color
3) have a faster speed of nerve impulse conduction
4) are more numerous

• A) 1, 2, 3, 4
• B) 1, 3, 4 only
• C) 2, 3, 4 only
• D) 1, 2, 4 only

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Definitions:

Stereotaxic Apparatus

A device that enables precise positioning of instruments within the brain during neurological procedures.

Brain Tissue Ablation

A surgical procedure or technique involving the removal or destruction of tissue within the brain, often used to treat neurological disorders or brain tumors.

Compensation

Following brain damage, the neuroplastic ability to modify behavior from that used prior to the damage.

Channelrhodopsin-2 (ChR2)

A light-sensitive protein derived from algae used in optogenetics to control the activity of neurons with light.