Quiz On Ns 2

Front 1

Tract

Back 1

Bundle of axons in cns.
A nerve in cns

Front 2

Sensory fibers

Back 2

Called afferent or ascending bc going towards brain

Front 3

Dorsal root ganglia

Back 3

Cell bodies of sensory nerve fibers

Front 4

Posterior colunm

Back 4

Decussate in medulla
Thalamas
Primary sensory cortex

Front 5

Corticospinal tract

Back 5

Primary cortex
Target is motor neurons
Muscle fibers

Front 6

Upper motor neuron syndrome

Back 6

In spinal cord
Spastic paralysis-loss of cortical suppression in reflexes

Front 7

Lower motor neuron syndrome

Back 7

In peripheral nerves
Flaccid paralysis-loss of connection to muscle

Front 8

Reflex

Back 8

Automatic unconscious activity
Visceral or motor

Front 9

Patellar reflex

Back 9

Reflex contracts quads to tighten tendon

Front 10

Peripheral nerve damage

Back 10

Alcoholism and diabetes

Front 11

Withdrawal reflex

Back 11

Pain stimuli activates flexors

Front 12

Extensors

Back 12

Activates balance on opposite side as stimulus, more complicated thenpatela reflex bc crossed on both sides

Front 13

Ganglia

Back 13

Cell bodis of neurons of periphery nerve sytem

Front 14

Spinal nerves

Back 14

31 pairs

Front 15

Cranial nerves

Back 15

12 pairs emerging from brain

Front 16

Sympathetic ans

Back 16

Paravetebral
Spinal cord is thpracic and lumbar origin
Integrated single unit

Front 17

Adrenal medulla

Back 17

Secretes ormones acting like neurotrans rleased by sympathetic ns

Front 18

Parasympathetic

Back 18

Ganglia close to target organ
Indiv control
Cranial and sacral origin

Front 19

Vagus nerve

Back 19

Wanderer nerve
How it connects parasym to visceral organs, from brain to chest to upper abdmen

Front 20

Sympathetic neurotrans receptor

Back 20

Epinephrine and norepiphrene
Alpha and beta =4

Front 21

Beta 3

Back 21

Brown fat, heat producer, thermogenic fat, in infants and weight loss mechanism

Front 22

Parasymp neurotrans

Back 22

Acetylcholine
Muscarine and nicotinie =4

Front 23

B1

Back 23

Heart, beta b1 blockers stimulate heartbrate
Beta bloclers lower heart rate to protect heart

Front 24

B2

Back 24

Lungs
B2 dilutes airways
B2 agonists dilate airways for asthma

Front 25

Sympathet function

Back 25

Emergency system
Fight or flight

Front 26

Parasymp function

Back 26

Housekeeping, resting and adjusting
Balance bw sym and parasym
Lower in sociopath

Front 27

Sex arousal

Back 27

Parasympathetic increase erection and lub
Orgasm is from change in parasym to sym, leads to sensation

Front 28

CNI

Back 28

Olfactory
Amosmia-lack of sense of smell

Front 29

CNII

Back 29

Optic
Visual impact from retina

Front 30

CNIII

Back 30

Oculomotor-2 muscles
Intrinsic is pupil and lens shape
Extrinsic is inferior rectus and oblique

Front 31

CNIV

Back 31

Trochlear
Sup oblique

Front 32

CNV

Back 32

Trigeminal
Sensory to face
Trigeminal neuralgia is paiinful to eye

Front 33

CNVI

Back 33

Abducens
Control laateral rectus and both sides of eye

Front 34

CNVII

Back 34

Fascial
Motor face
Bells palsy-facial paralysis

Front 35

CNVIII

Back 35

Vestibular cochlear
Vest nerve is balance and equil
Coch nerve is aauditory

Front 36

CNIX

Back 36

Glossopharangeal
Tongue and pharynx
Part of taste

Front 37

CNX

Back 37

Vaguns nerve
Parasymp output to heart lungs stomach
Wandering

Front 38

Larynx

Back 38

Ptch of voice when asking question

Front 39

CNXI

Back 39

Accessory, muscles of neck

Front 40

CNXII

Back 40

Hypoglossal, muscles of the tongue but underneath