Nerve fibers

Question 1

A-alpha

Answer 1

Myelinated: Yes
Information carried: proprioception
Diameter: 13-20
Speed: 80-120, fastest
Receptor:
Muscle spindle
Golgi tendon organ

Question 2

A-beta

Answer 2

Myelinated: Yes
Information carried:
Deep/superficial Touch, vibration
Diameter: 6-12, medium
Speed: 35-90, 2nd fastest
Receptor:
Muscle spindle
Hair receptor
Meissner corpuscle
Ruffini ending
Merkel receptor
Pacinian corpuscle

Question 3

A-delta

Answer 3

Myelinated: Yes
Information carried:
Pain(sharp),Temp(cool)
Diameter: 1-5, small
Speed: 5-40, 3rd fastest
Receptors: free ending

Question 4

C

Answer 4

Myelinated: No
Information carried:
Pain(dull), temp(hot), itch
Diameter: 0.5-2, smallest
Speed: 0.5-2, slowest
Receptors: free ending