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Nerve Fiber Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

which nerve fiber has the largest diameter?

a)

b)

c)

B

d)

C

2.

Which nerve fiber conducts impulses at the fastest speed?

a)

b)

c)

B

d)

C

3.

Aα fibers primarily carry impulses related to:

a)

Pain and temperature

b)

Autonomic functions

c)

Motor to skeletal muscle

d)

Postganglionic sympathetic

4.

Which fiber type is responsible for muscle spindle primary endings?

a)

b)

c)

d)

C

5.

Aβ fibers mainly transmit:

a)

Motor impulses

b)

Pain and temperature

c)

Touch and pressure

d)

Autonomic impulses

6.

Which fiber type innervates intrafusal muscle fibers?

a)

b)

c)

d)

C

7.

Aδ fibers are mainly responsible for:

a)

Crude touch

b)

Fast pain and cold

c)

Slow pain

d)

Autonomic control

8.

Which nerve fibers are lightly myelinated?

a)

b)

c)

d)

C

9.

B fibers are characteristically:

a)

Unmyelinated

b)

Heavily myelinated

c)

Lightly myelinated

d)

Non-conducting

10.

Which fibers conduct preganglionic autonomic impulses?

a)

b)

B

c)

C

d)

11.

C fibers have which of the following properties?

a)

Fast conduction

b)

Large diameter

c)

Unmyelinated

d)

Heavily myelinated

12.

Slow pain is transmitted by:

a)

Aδ fibers

b)

C fibers

c)

Aβ fibers

d)

B fibers

13.

Which nerve fibers have the slowest conduction velocity?

a)

b)

B

c)

C

d)

14.

Diameter of Aα fibers according to Guyton is approximately:

a)

1–3 µm

b)

5–12 µm

c)

13–20 µm

d)

0.3–1.3 µm

15.

Which fiber carries postganglionic sympathetic impulses?

a)

B fibers

b)

C fibers

c)

Aδ fibers

d)

Aβ fibers

16.

Touch sensation from skin is mainly carried by:

a)

Aβ fibers

b)

C fibers

c)

B fibers

d)

Aδ fibers

17.

Which nerve fiber type conducts impulses at 0.5–2 m/s?

a)

b)

c)

B

d)

C

18.

Fast pain sensation is carried by:

a)

C fibers

b)

Aδ fibers

c)

Aβ fibers

d)

B fibers

19.

Which classification of nerve fibers is based on diameter and conduction velocity?

a)

Erlanger and Gasser

b)

Golgi classification

c)

Sherrington classification

d)

Langley classification

20.

According to Guyton, which fibers are responsible for temperature sensation?

a)

Aβ only

b)

Aα only

c)

Aδ and C

d)

B fibers