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Undeleted > Internal thorax > Flashcards

Internal thorax Flashcards

1
Q

Source of sym innervation

A

T1-L2

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2
Q

Source of parasymp innervation

A

brain stem and S2,3,4

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3
Q

contents of middle mediatinum

A

pericardium, heart, origins of great vessels

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4
Q

borders of middle mediastinum

A

ant, post, sup

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5
Q

contents of ant mediastinum

A

internal thoracic vessels + thymus

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6
Q

contents of sup mediastinum

A

esoph, trach, aortic arch, brachiocehpalic veins, SVC, brach. trunk (art) left common carotid + left subclavian, phrenic, vagus, L recurrent laryngeal

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7
Q

order of sup mediastinum vessels

A

veins, arteries, wind, water - ant to post

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8
Q

course of vagus nerve (X)

A

runs down along esophagus

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9
Q

contents of post mediastinum

A

symp trunk, throracic duct, azygous(es), dec aorta, esoph, primary bronchi

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10
Q

4 portions of parietal lung pleura and their innervation

A

cupola - supraclavicular
mediastinal - phrenic
costal - intercostals
diaphragmatic - intercostal (ext) and phrenic (int)

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11
Q

level of tracheal bifurcation

A

T4/5

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12
Q

vessels that loop over trach

A

L - aorta

R - azygous

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13
Q

bronchi branches

A

primary (main)>secondary (lobar)> tertiary (segmental > intrapulmonary

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14
Q

surfaces of lung

A

apex, base, costal, mediastinal

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15
Q

pulmonary ligament

A

fold at the inferior reflection of root of lung

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16
Q

level of pulm artery branches

A

T4/5

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17
Q

Blood supply to lung

A

bronciole arts (aorta+intercostals) and veins (azygous +hemiazygous)

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18
Q

Lymph drainage path from deep to superficial

A

pulmonary nodes>bronchopulmonary nodes>tracheopulmonary nodes>bronchiomediastinal lymph trunks

19
Q

Lung innervations

A

from symp trunk and vagus via pulmonary plexus

20
Q

air or blood in pleaura

A

pneumothorax and hemothorax

21
Q

suface reflection - pleural borders

A

R - sternocalvicular joint to sternal angle>down to rib 6>lateral to rib 8 in midclavicular line>to 10 in midaxiallary>12 in back
L - sternocalvicular joint to sternal angle>down to rib 4> laternal to edge of sternum>down to rib 6>lateral to rib 8 in midclavicular line>to 10 in midaxiallary>12 in bacl

22
Q

surface reflection - lung borders

A

R - neck of first rib>down mid sternum to rib 6> along 6 to midclavicular>8 in mid axillary>10th in back (2 below plearal border)
L - neck of first rib, down mid-sternum to 4, along 4 to midclavicular, then down to 6 in mid-clavicular>to 8 in midaxiallary>10 in back

23
Q

two lung recesses

A

costodiaphragmatic, costomediastinal

24
Q

3 methods of chest expansion

A

vertical - diaphram down
anterior post - intercostal muscles contract
transverse - intercostals

25
Q

point of reflection of serous pericardium

A

outflow of great vessels -transverse sinus

inflow vessels - oblique sinus

26
Q

cardiac tamponade

A

too much pressure in pericardial cavity

27
Q

conection b/w aorta and pulm trunk

A

ligametum arteriosum - was ductus arteriosus

28
Q

difference between somatic and autonomic signals

A

somatic - single nerve

autonomic - double nerve w synapse

29
Q

location autonomic synapse

A

peripheral ganglion

30
Q

location of preganglionic cell neurons

A

grey matter in lateral horn of spinal cord

31
Q

anatomic diff between symp and para symp

A

symp - in T1-L2, post gang in symp chain

para - in cranial or S, post gang close to organ

32
Q

location of prevertebral plexus

A

anterior to vert column all down thorax and abdo

33
Q

Grey vs white rami communicantes

A

grey - postganglionic fibers from sym ganglia

white - preganglionc fibers from ant primary rami

34
Q

names of syp splanchnic nerves

A

greater, lesser, least, lumbar, sacral

35
Q

path of symp innervation to abdo organs

A

lateral horn>through ganglion (no synapse)>down splanchnic nerve>to prevertebral plexus (synapse)> to organ

36
Q

para innervation as far as SMA

A

vagus nerve

37
Q

types of afferents in para vs symp fibers

A

para - special senses (blood pres)

symp - referred to body surface

38
Q

path of throacic duct

A

cysterna chyli>up along vert passing R to L>into brachiocephalic

39
Q

branches of the aorta

A 
R brachiocephalic to R subclavian and carotid
L carotid and subclavian
intercostals
esophageal branches
bronchial arteries
40
Q

level esophagus starts

A

C6

41
Q

potential blocks of esophagus

A

C6 - cricoid cartelege
T4/5 by aortic arch
T10 by diaphragm

42
Q

blood supply and drainage of esophag

A
  • broncial, esphageal, L gastic art

- azygous and hemiazygous veins, gastic veins

43
Q

3 drainages of esoph lymph

A

upper- internal jugular node
middle - mediastinal nodes
lower- celaic nodes

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