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nervous system

Total questions: 8

Worksheet time: 12mins

Name
Class
Date
1.

If we sectioned the ventral root and excited the central end, what's the response?

a)

no reaction

b)

contraction

c)

contraction and pain feeling

2.

If we sectioned the ventral root and excited the peripherel end, what's the response?

a)

contraction and pain feeling

b)

no reaction

c)

contraction

3.

The dorsol root's direction is (a)  

4.

Where are the cell bodies of sensory neurons located? and where are the cell bodies of motor neurons located? (2 separate locations)

4 lines
5.

What are the characteristics of a reflex action? (hint: they are two)

4 lines
6.

Reflex actions are controlled by?

a)

Spinal nerve

b)

Spinal cord

c)

Dorsol median sulcus

d)

Ventral root

7.

Why does the nucleated part of the cell regenerate while the a-nucleated part degenerates?

4 lines
8.

Pick the correct answer(s)

a)

Exciting the central end of a sectioned dorsol root leads to pain and contraction

b)

The dorsol root is efferent

c)

the ventral root is centrifugal

d)

the spinal nerve is a mixed nerve

e)

Sectioning the spinal nerve leads to pain feeling