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SFM4 > Trachea and Lower Airway Anatomy > Flashcards

Trachea and Lower Airway Anatomy Flashcards

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5
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What makes a false rib “false”?

A

It does not directly attach to rib

it articulates to the cartilage above it (i.e., cartilage is a branch off the cartilage above it, see image)

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6
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Where does the respiratory diaphragm attach?

A

Inferior margins of ribs 10, 11, 12

xiphoid process

L1, L2, L3

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7
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Articulation for:

Costal tubercle

(Costal) head

A

costal tubercle - transverse process of (1) corresponding vertebra

head - demifacets of both the vertebra above it and below it

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11
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movement of ribs during inspiration and expiration

A

inspiration - superiorly and lateral external rotation

expiration - inferiorly and lateral internal rotation

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13
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attachments, actions, and innervations of intercostal muscles

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attachments - inferior margin of rib just superior to it, superior margin of rib just inferior to it

actions - stiffens thoracic wall during respiration

innervation - intercostal nerves

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16
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innervation and spinal levels of the respiratory diaphragm

A

phrenic nerve

C3, 4, 5 (keeps the diaphragm alive…)

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19
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I ate - IVC, T8

10 Eggs - Esophagus, T10

At 12 - aorta, T12

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20
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name that (diaphragm) hole:

IVC

esophagus

aorta

A

IVC - caval opening

esophagus - esophageal hiatus

aorta - aortic hiatus

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23
Q

posterior intercostal artery is a branch of _____

posterior intercostal vein is tributary to _____

A

posterior intercostal artery is a branch of the aorta

posterior intercostal vein is tributary to the azygos and hemiazygos veins

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26
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these arteries supply _____

A

pericardiophrenic, musculophrenic, and superior phrenic (not shown) arteries supply the respiratory diaphragm

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29
Q

sensation from the visceral pleura is provided by ____ fibers of ____ (nerve)

A

sensation from the visceral pleura is provided by visceral sensory fibers of CN 10

30
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sensation from the parietal pleura is provided by ____ fibers of ____ (nerve)

A

sensation from the parietal pleura is provided by somatic sensory fibers of the phrenic and intercostal nerves

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34
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the trachea branches into _____

which branches into _____

which branches into _____

and eventually _____

ending in _____

A

the trachea branches into right and left main bronchi

which branches into lobar bronchi

which branches into segmental bronchi

and eventually bronchioles

ending in terminal bronchioles

35
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regions of lung supplied by the same segmental bronchus are called ____

A

bronchopulmonary segments

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37
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what nerves supply the pulmonary plexus and what types of fibers are contained within them?

A

T2, T3, T4, T5 of the sympathetic chain ganglia - sympathetic motor fibers

vagus nerve (CN 10) - preganglionic parasympathetic motor fibers and visceral sensory fibers

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54
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vestibular cavity = [laryngeal inlet thru vestibular folds)

supraglottic cavity = [laryngeal inlet thru vocal folds) = vestibular cavity + vestibuar folds

infraglottic cavity = [vocal folds thru cricoid cartilage]

55
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Interior mucosa of larynx is supplied by ____, specifically the ____ and the ____

A

Interior mucosa of larynx is supplied by CN X, specifically the superior laryngeal nerve and the recurrent laryngeal nerve

56
Q

the superior laryngeal nerve divides into the _____, which supplies the _____, and the _____ which supplies the crichothyroid muscle

A

the superior laryngeal nerve divides into the internal branch, which supplies the supraglottic cavity, and the external branch which supplies the crichothyroid muscle

57
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the recurrent laryngeal nerve supplies the _____

A

the recurrent laryngeal nerve supplies the infraglottic cavity

58
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fiber types internal branch of the superior laryngeal nerve

A

visceral sensory

parasympathetic preganglionic secretomotor

59
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fiber types recurrent laryngeal nerve

A

visceral sensory

preganglionic parasympathetic secretomotor

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superior laryngeal artery is a branch of the superior thyroid artery

inferior laryngeal artery is a branch of the inferior thyroid artery

61
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the superior laryngeal vein is tributary to the superior thyroid vein

the inferior laryngeal vein is tributary to the inferior thyroid vein

62
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the superior laryngeal arteries/veins supply/drain the _____

the inferior laryngeal arteries/veins supply/drain the _____

A

the superior laryngeal arteries/veins supply/drain the supraglottic cavity

the superior laryngeal arteries/veins supply/drain the infraglottic cavity

63
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the laryngeal vasculature runs alongside ____ fibers from the ____

A

the laryngeal vasculature runs alongside postganglionic sympathetic motor fibers from the superior and middle cervical ganglia

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65
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action and innervation of C:

A

the cricothyroid muscle:

stretches and tenses the vocal folds

is innervated by the external branch of the superior laryngeal nerve

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67
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innervation and actions of D

A

posterior cricoarytenoid:

aBducts vocal folds

is innervated by the recurrent laryngeal nerve

68
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innervation and actions of A

A

lateral cricoarytenoid:

aDducts vocal folds

is innervated by the recurrent laryngeal nerve

69
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innervations and actions of A

A

transverse interarytenoid

narrows the rima glottitis

is innervated by the recurrent laryngeal nerve

70
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innervation and actions of A

A

oblique interarytenoid:

closes the laryngeal inlet

innervated by the recurrent laryngeal nerve

71
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innervation and action of B

A

thyroarytenoid:

relaxes vocal folds

innervated by recurrent laryngeal nerve

72
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innervation and actions of B

A

vocalis:

alters tension of vocal folds

innervated by recurrent laryngeal nerves

SFM4 (10 decks)

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