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Mariya- OS 3 exam 1 > ANS + lymphatic system (joy) > Flashcards

ANS + lymphatic system (joy) Flashcards

1
Q

What is the Autonomic Nervous system and what tissues do they target?

A

A two neuron chain connecting preganglionic neurons through ganglia to visceral target tissues:

cardiac muscle, smooth muscle, secretory glands, connective tissues, immune cells

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2
Q

ANS: involuntary or voluntary control of bodyfxns?

A

involuntary

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3
Q

ANS is regulated by:

A

hypothalamus, limbic system, and brainstem

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4
Q

The general organization of ANS is:

A

Limbic forebrain–> hippocampus, amygdala, prefrontal + cingulate cortex–> sympathetic, parasympathetic

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5
Q

Visceral + Somatic Common pathways (might be FYI idk):

A
  • practically every interneuron that receives input from visceral nociceptor also receives input from SOMATIC source
  • almost 80% of interneurons that receive input from somatic structures also receive visceral input
  • no evidence for any ascending pathway that transmits ONLY visceral signals from spinal cord to brain
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6
Q

Where does the innervation of the Parasympathetic NS arise from compared to the sympathetic NS?

A

PSNS: from brain stem nuclei and intermediate gray matter @ S2-4

SNS: from intermediolateral cell column of lateral horn of spinal cord; T1-12; L1-12

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7
Q

What CNs are involved with the parasympathetic NS?

A

CN 3, 7, 9, and 10

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8
Q

What ganglia are in the Sympathetic NS

A 
Cervical ganglia (superior, middle, stellate)
Paravertebral ganglia(thoracolumbar)
Prevertebral ganglia (celiac, superior/inferior mesenteric)
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9
Q

CN3 of PSNS:

A

eye

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10
Q

CN7 of PSNS:

A

lacrimal, palatine, or submandibular

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11
Q

CN9 of PSNS:

A

parotid

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12
Q

CN10 of PSNS:

A

cardiopulmonary, GI

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13
Q

Sacral (S2,S3,S4) of PSNS

A

colon, rectum, GU

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14
Q

head/neck (w/ upper esophagus) spinal units

A

T1-T5

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15
Q

Heart spinal units

A

T1-T6

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16
Q

lungs spinal units

A

T1-T7

17
Q

upper GI spinal units

A

T5-T10

18
Q

SI/Ascending colon spinal units:

A

T9-t11

19
Q

Ascending + TV colon spinal units:

A

T10-L2

20
Q

Descending + sigmoid colon/rectum spinal units:

A

T12-L2

21
Q

Adrenal spinal units:

A

T5-T10

22
Q

GU tract (w/ bladder) spinal units:

A

T10-L2

23
Q

Ureter- upper/lower spinal units:

A

T10-T11/T12-L2

24
Q

Extremities - upper/lower spinal units

A

T2-T/T11-L2

25
Q

hear, lungs, esophagus, upper GI, SI, kidneys, ascending and TV colon, upper ureter innervation:

A

vagus nerve (OA,AA)

26
Q

colon, rectum, repro organs, bladder, pelvis, lower ureter spinal units:

A

S2-S4 (sacrum); (pelvic splanchnic)

27
Q

Is the Enteric NS independent or dependent on CNS?

A

independent

28
Q

Autonomic distribution of SNS:

A

Vascular (fascia, SM, and sweat glands; trunks + extremities) + Visceral (SM, cardiac, nodal+glandular tissue in thoracoabdominopelvic cavity)

29
Q

Autonomic distribution of PSNS:

A

Visceral (same as sympathetic-SM, cardiac, nodal+glandular tissue in thoracoabdominopelvic cavity) but ALSO in viscera of head + neck!!

NO extremities, NO vascular

30
Q

Sensitization

A

progressive amplification of a resopnse follows repeated adminstration of stimulus

If stimulus is terminated, neurons return to baseline (same as habituation)

*ex. rub your arm for long time period

31
Q

Habituation

A

decrease in response to stimulus after repeated exposure to stimulus over time

allows us to tune out whats unimportant

If stimulus is terminated, neurons return to baseline (same as sensitiz.)

32
Q

Facilitation

A

decreases threshold!! maintenance of pool of neurons instate of subthreshold excitation (less afferent stimulation required to trigger discharge of impulses)

-can be due to sustained increases in afferent input, abberrant patterns, or changes in affected neurons themselves or their chemical environment
once established, can be sustained by normal CNS activity

33
Q

Viscerosomatic reflexes

A

tend to exhibit non-neutral (type 2) SD

-usually affects small rotators

34
Q

increased moisture(skin drag), increased temp, and a poorly defined end point (rubbery end feel) is seen in which reflex?

A

viscerosomatic

35
Q

Allostasis vs. homeostasis

A

Allostasis- The process by which body responds to stressors in order to regain homeostasis

Homeostasis- tendency toward relatively stable equilibrium bw interdependent elements, especially as maintained by physiologic processes

36
Q

What is allostatic load? what does LT exposure do?

A

frequent activation of allostatic systems; continuation of feedback systems meant to reestablish normal homeostasis

LT exposure–> may cause atrophy of hippocampus affecting feedback, memory, and autonomic fxn

37
Q

What are the 4 transition zone myofascial pathways?

A

occipitoatlantal

cervicothoracic

thoracolumbar

lumbosacral

38
Q

what are the fluid pumps you can do on a pt?

A

thoracic inlet

thoracic diaphragm

pelvic diaphragm

39
Q

lymphatics receive innervation from the ___.

A

lymphatics receive innervation from the SNS

SD may be disabling a pump

Mariya- OS 3 exam 1 (4 decks)

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