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Brandon’s Anatomy Flash Cards > Unit 5 part 3 > Flashcards

Unit 5 part 3 Flashcards

(50 cards)

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1
Q

What path do bronchial arteries follow?

A

run and subdivide with the airways to bronchial capillaries

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2
Q

Where do left bronchial veins drain?

A

Accessory hemiazygos vein
left superior intercostal vein

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3
Q

How to left bronchial veins run?

A

retrograde with left bronchial arteries

they are variable though

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4
Q

how do right bronchial veins run?

A

variable but run retrograde wtih right brochial artery

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5
Q

where do right bronchial veins drain?

A

Azygos vein

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6
Q

What can cause venous admixture?

A

some bronchial veins may form cross anastomoses with pulmonary veins

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7
Q

Angle of right tracheal bifurcation?

A

25 degrees

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8
Q

angle of left tracheal bifurcation?

A

37 degrees

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9
Q

Airway sequence

A

trachea>R&L mainstem bronchi>lobar bronchi>segmental bronchi>subsegmental bronchi>bronchioles>alveoli

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10
Q

Where does airway loose cartilage?

A

at division of subsegmental bronchi and bronchioles

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11
Q

How many segmental bronchi?

A

Right 10 segmental bronchi
Left 8 segmental bronchi

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12
Q

What airway section do the c shaped cartilaginous rings stop?

A

segmental bronchi

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13
Q

Where do cartilaginous plates in airway start?

A

subsegmental bronchi

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14
Q

Features of bronchioles?

A

<1mm in diamater
no cartilage
smooth muscle tubes

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15
Q

Layers of alevolar-capillary interface

A

(From lungs outward)
surfactant
alveolar epithelium
alveolar basement membrane
Interstitial space
capillary basement membrane
capillary epithelium

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16
Q

Divisions of mediastinum?

A

Superior mediastinum
Inferior mediastinum
anterior compartment/mediastinum
middle compartment/mediastinum
posterior compartment/mediastinum

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17
Q

Superior mediastinum contents

A

Thymus gland (or remnant-adult)
brachiocephalic veins
sup. ven cava
Aortic arch and it’s branches
brachiocephalic trunk
left common caratid
subclavian arteries
Thoracic portion of trachea
upper thoracic portion of esophagus
termination of thoracic duct
Vagus nerve
Phrenic nerve
R & L recurrent laryngeal nerves

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18
Q

Where does thoracic duct terminate?

A

in superior mediastiinum between junction of left sublcavian and left internal jugular veins

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19
Q

Where does thoracic duct begin?

A

in the cisterna chyli
lies by the right diaphragmatic crus right below the diaphragm

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20
Q

How does thoracic duct pass from abdomen to the thorax?

A

through the aortic hiatus

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21
Q

Anterior compartment of inferior mediastinum contents?

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A

Lower portion of the thymus
Internal thoracic vessels
Lymph nodes

22
Q

Middle compartment of inferior mediastinum contents?

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A

Heart
coronary vessels
pericardium
roots of the great vessels coming off the heart
ascending aorta
pulmonary trunk
Sup. Inf. Vena Cava termination
Pulmonary Veins - termination
Formation of mainstem bronchi
Arch and termination of azygos vein
phrenic nerves - pericardial portion

23
Q

Where does azygos vein terminate?

24
Q

Where does left mainstem bronchus pass in relation to the aorta?

25
What structures pass underneath the arch of the azygos vein?
right mainstem bronchus right pulmonary artery 2 (usually) right pulmonary veins
26
Posterior compartment of inf mediastinum contents?
Thoracic (descending) aorta Continuation of the Esophagus and Vagus nerves (esophageal plexus) Thoracic duct (right side) azygos vein (left) hemiazygos/Acessory hemiazygos venous system Orinination of greater, lesser, & least spanchnic nerves Post. mediastinum lymph nodes
27
What are the greater, lesser, and least spachnic nerves?
sympathetic preganglioncs to the abdominal viscera
28
What does the Vagus nerve form in the post. compartment of inf mediastinum?
Esophageal plexus anterior and posterior vagal trunks
29
Which trunk does left vagus nerve form?
Anterior vagal trunk
30
Which trunk does the right vagus nerve form?
posterior vagal trunk
31
Are the two sympathetic chains in the post compartment of inferior mediastinum?
No! They are not in the mediastinum
32
Which veins make up the alternative venous drainage vascular pathways?
Azygos vein (right) hemiazygos/Accessory hemiazygos veins (left)
33
What two structures does thoracic duct run with?
Azygos vein esophagous
34
Greater splanchnic nerve origination? Function?
T5-T9 Upper 1/3 abdominal viscera
35
Lesser splanchnic nerve origination? Function?
T10-T11 middle 1/3 abdominal viscera
36
Least splanchnic nerve origination? function?
T12 lower 1/3 abdominal visera
37
Where does greater splanchnic nerve project?
celiac ganglion & Adrenal medulla
38
Where does lesser splanchnic nerve project?
superior mesenteric ganglion
39
Where does least spanchnic nerve project?
inferior mesenteric ganglion
40
Which structures are found in multiple subdivisions of mediastinum?
Thoracic duct phrenic nerves esophagus Vagus N. trachea thymus gland Aorta
41
What structures are in both superior and posterior mediastinum compartments?
Thoracic duct Esophagus Vagus N.
42
What structures are in both superior and middle mediastinum compartments?
Trachea Phrenic nerves
43
Which mediastinum compartments is the thymus located?
superior and anterior compartments
44
In wich mediastial compartments is the Aorta located?
Ascending - middle compartment Arch - superior compartment descending - posterior compartment
45
What does right recurrent laryngeal nerve recur around?
right subclavian artery
46
What does left recurrent laryngeal nerve recur around?
Aortic arch
47
Boundaries of the heart
Base: 2nd Costal cartilage right margin: slightly beyond edge of right sternal border Apex: midcalvicular line and 5th interspace Lateral: lateral-mediastinal pleura posterior: esophagus superior: tracheal bifurcation inferior: diaphragm
48
What makes the lateral-mediastinal pleura?
blend of fibrous pericardium and parietal pleuraq
49
Which heart chamber is most anterior?
Right ventricle
50
Which heart chamber is most posterior?
left atrium

Brandon’s Anatomy Flash Cards (20 decks)

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