NM Quiz 3 important stuff

4 things involved in stretch reflex?

-Autogenic excitation

-Reciprocal inhibition

-Muscle spindles

-Ia fiber

4 things involved in tendon reflex?

-Autogenic inhibition

-Reciprocal excitation

-GTO

-Ib

4 things involved in flexor withdrawal reflex (ipsilateral)?

-Ipsilateral flexor excite

-Ipsilateral extensor inhibit

-A delta fibers

-Nociceptor

4 things involved in crossed extensor reflex?

-Contralateral extensor excite

-Contralateral flexor inhibit

-A delta fibers

-Nociceptor

Nociceptor=

C-fiber

Mechanoreceptor=

A-beta

Input comes from what 3 receptors? (Sensory integration)

-Exteroreceptors

-Interoreceptors

-Proprioceptors

What are the 3 levels of neural integration?

-Receptor (sensory)

-Circuit (ascending pathway)

-Perceptual (neuronal circuits in the cerebral cortex)

What are the 6 Encapsulated mechanoreceptor? (MPRMGJ)

-Meisser corpuscle

-Pacinian corpuscle

-Riffini's endings

-Muscle spindles

-GTO

-Joint kinesthetics

What are the 3 unencapsulated mechanoreceptor?

-Tactile discs

-Free nerve endings

-Root hair plexus

What are the 3 main types of mechanoreceptors?

-Tactile

-Baroreceptors

-Proprioceptors

What 3 things is involved in primary annulospiral endings?

-Type Ia

-Rate of change (Nuclear bag)

-Absolute change (Nuclear chain)

What 2 things are involved in secondary flower spray endings?

-Type II

-Sustained muscle length (Nuclear chain & Static nuclear bag)

What are the 5 types of sensory receptors?

-Mechanoreceptors (deformation & position)

-Nociceptor (detect pain)

-Chemoreceptors (taste, smell, CO2, O2, etc.)

-Thermoreceptors ( detect temp)

-Electromagnetic (detect light)

What is peripheral adaptation?

Receptors respond strongly at first and then decline

What is central adaptation?

-Adaptation within CNS

-Consciously aware of stimulus, quickly disappears

-Refers to inhibition of nuclei located along the sensory pathway

What are the 6 tonic (slow) receptors? (MGRMCB)

-Muscle spindles

-GTO

-Ruffini's endings

-Merkel discs

-Chemoreceptors

-Baroreceptors

What are the 3 phasic (fast) receptors? PMS

-Pacinian corpuscles

-Meissners corpuscles

-Semicircular canals

Why do we have stronger signal intensity?

-The greater the intensity of the tumulus, the greater the receptor potential

-Spatial summation

-Temporal summation

Does bradykinin cause the most pain?

Yes

Does substance P and prostaglandins enhance the sensitivity of pain endings, but do not directly excite them?

Yes

What are neurotransmitters of the pain pathway? 2

-Glutamate

-Substance P

What neurotransmitters are involved in the pain-killer pathway? 2

-Enkephalin

-GABA

What are the 3 aka's for the stretch reflex?

-Myotactic reflex

-DTR

-Monosynaptic reflex

What are the 3 aka's for the tendon reflex?

-Golgi tendon reflex

-Inverse myotatic reflex

-Autogenic inhibition reflex

What are the 3 aka's for the flexor withdrawal reflex?

-Withdrawal reflex

-Flexion reflex

-Nociceptive reflex

What are the 2 aka's for the crossed extensor reflex?

-Contralateral extensor reflex

-Crossed extension reflex