7 + 9

Question 1

Symp, pregang NT:

Answer 1

Ach

Question 2

Symp, postgang NT:

Answer 2

NE

Ach (at sweat glands, erector pili)

Question 3

Parasymp, pre/postgang NT:

Answer 3

Ach

Question 4

Location of primary ANS neurons:

Answer 4

hypothalamus

Question 5

Location of secondary symp neurons:

Answer 5

intermediolateral gray matter of T1-L3

Question 6

Location of secondary parasymp neurons:

Answer 6

cranial nerve nuclei and sacral neurons

Question 7

Eye:
Parasymp?
Symp?

Answer 7

constriction/contraction for near vision

dilation/relaxation for far vision

Question 8

Glands:
Parasymp?
Symp?

Answer 8

tears, watery salivary secretion

thick salivary secretions, sweating

Question 9

Heart:
Parasymp?
Symp?

Answer 9

decr force, rate; dilation of arteries

increase force and rate, constr at alpha + dilation at beta

Question 10

Arterioles:
Parasymp?
Symp?

Answer 10

dilate

alpha=constrict
beta=dilate

Question 11

Lung:
Parasymp?
Symp?

Answer 11

constr

dilates

Question 12

GI:
Parasymp?
Symp?

Answer 12

stim peristalsis, relax sphincter, incr secretions

inh peristalsis, constr sphincter, decr secretions

Question 13

Pancreas:
Parasymp?
Symp?

Answer 13

incr insulin/glucagon secretion

decr insulin + incr glucagon secretion

Question 14

Liver:

Symp?

Answer 14

stim glycogenolysis

Question 15

Adrenal:

Symp?

Answer 15

stim epi/NE release

Question 16

Ureter/Bladder:
Parasymp?
Symp?

Answer 16

contr wall, relax sphnicter

relax wall, contr sphincter

Question 17

Erectile tissues:
Parasymp?
Symp?

Answer 17

relax = erection

ejaculation

Question 18

A lesion of ______ will cause Horner’s syndrome (ipsa-/contra-)lateral to lesion.

Answer 18

anywhere from hypothalamus to ciliary nerve

ipsa-

Question 19

Motor afferents to skeletal muscle

Answer 19

A-alpha

Question 20

Sensory afferents from skin

Answer 20

A-beta

Question 21

Pregang autonomic afferents

Answer 21

B

Question 22

Motor afferents to intrafusal fibers

Answer 22

A-gamma

Question 23

Sensory afferents from muscle spindles

Answer 23

A-alpha

Question 24

Sensory afferents from golgi tendon organs and Ruffini endings

Answer 24

A-beta

Question 25

Sensory afferents from free nerve endings for pain, temp

Answer 25

A-delta (+ hair follicles | C (+ smell)

Question 26

Postgang autonomic afferents

Answer 26

C

Question 27

Somatosensory R for ct pressure and stretch

Answer 27

Ruffini

Question 28

Somatosensory R for light touch and vibration

Answer 28

Meissner's corpuscle

Question 29

Somatosensory R for gross pressure and vibration

Answer 29

Pacinian corpuscle

Question 30

Somatosensory R for temp and nociception

Answer 30

free nerve endings

Question 31

Somatosensory R in subcut, joints, musc and mesentary

Answer 31

Pacinian corpuscle

Question 32

Somatosensory R in glaborous skin

Answer 32

Meissner's corpuscle deep layers = Ruffini organs

Question 33

Somatosensory R on fingertips

Answer 33

Merkel's disks

Question 34

Rapidly adapting mechanoR

Answer 34

Pacinian corpuscle | Meissner's corpuscle

Question 35

Slowly adapting mechanoR

Answer 35

Ruffini organs | Merkel's disks

Question 36

Free nerve endings encapsulated in lamallae

Answer 36

Pacinian corpuscles | lamellae move relative to one another, corpuscle distorts

Question 37

Signals on/off of a stimulus

Answer 37

Pacinian corpuscle

Question 38

Within the spinal cord, protopathic info travels in the:

Answer 38

anterolateral funiculi in the spinothalamic tract

Question 39

Within the spinal cord, epicritic info travels in the:

Answer 39

post columns, which become the medial lemniscus tract

Question 40

Lemnicus pathway cervical axons add...

Answer 40

laterally

Question 41

Protopathic cervical axons add...

Answer 41

medially

Question 42

Cuneatus is (medial/lateral) to gracilis

Answer 42

lateral

Question 43

intralaminar thalamic nuclei project...

Answer 43

diffusely throughout cortex

Question 44

dorsomedial nuclei project...

Answer 44

to prefrontal cortex

Question 45

A-delta fibers mediate: | And synapse in lamina #:

Answer 45

1st pain | 1, 2 (sub gelatinosa)

Question 46

Interneurons in 1/2 also project to lamina #:

Answer 46

5

Question 47

C fibers mediate: | And synapse in lamina #:

Answer 47

2nd pain | 1

Question 48

Lissauer's tract carries: | And interconnects:

Answer 48

non-discriminative pain and temp neighboring segments of post horn

Question 49

Trigeminal projects to:

Answer 49

VPM

Question 50

Somatosensory afferents for head/face have cell body in:

Answer 50

Gasserian/Trigeminal ganglion

Question 51

S1 is located in... | S2 is located in...

Answer 51

areas 3, 1, 2 parietal operculum

Question 52

Area 3a receives:

Answer 52

muscle afferents and nociceptive info from thalamus

Question 53

Area 3b receives:

Answer 53

cutaneous input

Question 54

Area 1 receives:

Answer 54

input from 3b

Question 55

Area 2 receives:

Answer 55

input from 3a and 3b and integrates it!