Principles of Chiropractic Flashcards
List the six types of Peripheral Nerve Fibers
A alpha A beta/Type II A gamma A delta/ Type III B C/ Type IV
A alpha nerve fibers are ____ myelinated and the ____ conductivity. They are the largest and most sensitive.
heavily; fastest
A alpha nerve fibers consist of which types of sensory fibers?
1A & 1B
An example of 1A Sensory fibers are ______.
muscle spindles
An example of 1B Sensory fibers are ________.
GTO
A alpha fibers carry information related to _______ and muscle sense.
proprioception
Proprioception from muscle spindles detect _______.
Stretch & Velocity
1A Efferent = _____.
alpha motor neuron
GTO afferent detects _____ on _____ or joint.
tension on tendon or joint
A beta peripheral nerve fibers are the same as type ___?
Type II nerve fibers
A beta nerve fibers carry information related to ______.
touch
A beta nerve fibers and its touch pressure receptor afferents affect what type of sensations?
Fine touch
Vibration sense
Two point discrimination
A gamma has a muscle spindle efferent with a gamma motor neuron that affects ______.
muscle tone
A delta peripheral nerve fibers are also known as _____.
Type III nerve fibers
A delta nerve fibers aka Type III nerve fibers carry information for ____ and ______.
pain & temperature
A delta nerve fibers include sensations such as:
Light touch Fast pain (sharp initial pain)
A stubbed toe, pinch and when someone pulls away from a hot stove is an example of _____.
A delta
Type B nerve fibers’ primary goal is to transmit ____ information.
autonomic
Type B nerve fibers are ______ autonomic efferent.
preganglionic
Type C nerve fibers are also known as Type ___.
Type IV
Type C nerve fibers have _____ pain fibers that are very ____ in diameter. They have a ____ conductivity and is a primary neurotransmitter of _____.
un-mylinated pain fibers; small; slow; substance P
Type IV nerve fibers sense what three things?
Pain, temperature and itch
The slow pain that is projected from Type IV nerve fibers are ____ lasting pain sensations that are ___ aching pain. The temperature is ____ and ______ autonomic efferent.
longer; dull; afferent; postganglionic
