If the Ventral Root of a Spinal Nerve Were Cut

question 29

Multiple Choice

If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?

• A) a complete loss of sensation and movement
• B) a complete loss of voluntary movement
• C) complete loss of sensation
• D) loss of neither sensation nor movement but only of autonomic control

---

Definitions:

Dermis

The thick, inner layer of skin beneath the epidermis, containing nerve endings, sweat glands, hair follicles, and blood vessels.

Epidermis

The skin's external layer, which acts as a waterproof shield and determines our skin color.

Near Point

The closest distance at which an object can be seen clearly by the eye, a measure of the eye's accommodation ability.

Accommodation

The process by which the eye changes optical power to maintain a clear image or focus on an object as its distance varies.