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SP2017- Anatomy Exam 3 > Lecture 14- Superior and Posterior Mediastinum > Flashcards

Lecture 14- Superior and Posterior Mediastinum Flashcards

1
Q

The thymus, SVC/great vessels, aortic arch/great aa., vagus n, phrenic n, trachea, esophagus and thoracic duct are all present in the…

A

superior mediastinum

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2
Q

Th aortic arch begins and ends at the

A

T4/5 level or sternal angle

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3
Q

the aortic arch arches over the …. and…

A

left main bronchus and pulmonary trunk

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4
Q

which esophageal hiatus can risk gastric blood supply?

A

type 2- paraesophageal

fundus

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5
Q

Which esophageal hiatus is most common

A

type 1- sliding hiatal hernia

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6
Q

thoracic splanchnic arre what kind of innervation

A

sympathetics

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7
Q

The left vagus nerve becomes …. trunk due to rotation of gut during development

A

anterior vagal trunk

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8
Q

The right vagus nerve becomes the …. trunk due to rotation of gut during development

A

posterior vagal trunk

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9
Q

The…. vein drains intercostal vv. from right side of thorax and drain into SVC

A

azygos

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10
Q

The azygos vein is formed from… vein and… vein and picks up intercostal vv. on the way

A

right ascending lumbar

right subcostal

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11
Q

The azygos vein arches over…. to drain into SVC

A

R. superior bronchus

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12
Q

THe…. drain left thorax and drain into azygos v.

A

hemiazygos and accessory hemiazygos

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13
Q

The …. gives rise to posterior intercostal aa. supplying thorax

A

descending aorta

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14
Q

Arterial: The… has branches to trachea, bronchi and esophagus

A

desc. aorta

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15
Q

The thoracic duct is posterior to… and anterior to…

A

esophagus

vertebral bodies

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16
Q

thoracic duct is between … vein and …

A

azygos v. and desc. aorta

17
Q

THe thoracic duct enters the venous angle between…

A

L. subclavian and left IJV

18
Q

… is the accumulation of lymph in the pleural cavity

A

chylothorax

19
Q

A chlothorax results from…

A

torn or leaking thoracic duct often from lymphoma or trauma during thoracic surgery

20
Q

levels of greater splanchnic n.

A

T5-9

21
Q

levels of lesser splanchnic n

A

T10-11

22
Q

level of least splanchnic n.

A

T12

23
Q

2 types of branches from sympathetic chain ganglia

A

1- postganglionic sympathetic to thoracic viscera

2- preganglionic sympathetic innervate abdomen

24
Q

The greater splanchnic n. synapses in the

A

celiac ganglion

25
Q

The lesser splanchnic n. synapses in the

A

superior mesenteric ganglion

26
Q

THe least splanchnic n. synapses in the

A

aorticorenal ganglia

27
Q

the sympathetic of the thoracic originate at

A

T1-5

28
Q

The parasympathetic of the thoracic originate from

A

CNX

SP2017- Anatomy Exam 3 (14 decks)

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