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DPTR 5001 > Thorax > Flashcards

Thorax Flashcards

1
Q

Thoracic Compartments

A

right pleural cavity, left pleural cavity, superior mediastinum, inferior mediastinum, diaphragm

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2
Q

Thoracic wall components

A

skin, subcutaneous tissue, ribs, intercostal muscles

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3
Q

thoracic wall functions

A

respiration, protection, and muscle attachment

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4
Q

True Ribs

A

1st-7th, has direct cartilaginous connection to sternum

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5
Q

False Ribs

A

8-10, indirect attachment to sternum through costal cartilage

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6
Q

Floating Ribs

A

11-12, no sternum attachment

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7
Q

Rib Structure

A

head of rib, neck of rib, body(shaft) of rib, costal tubercle, costal angle

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8
Q

Costovertebral Joint

A

head of rib to vertebral body– plane

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9
Q

Costotransverse Joint

A

costal tubercle to transverse process– plane

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10
Q

sternocostal joint

A

sternum to costal cartilage– plane

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11
Q

First Rib

A

scalene tubercle–grooves for the subclavian artery and subclavian vein

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12
Q

Sternum Bony Landmarks

A

manubrium, jugular notch, clavicular notch,
body– sternal angel= 2nd costal notch, costal notches/ facets
xiphoid process

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13
Q

External Intercostal muscles

A

attachment: superior-lateral to inferior-medial from rib to rib
function: elevate
innervated: intercostal nn.

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14
Q

Internal and Innermost intercostal muscles

A

attachment: superior-medial to inferior-lateral from rib to rib
function: depress
innervated: intercostal nn.

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15
Q

Costal Groove

A

runs between the innermost and internal intercostal muscles

supports neurovascular structure: intercostal artery, vein and nerve

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16
Q

Transversus thoracis muscle

A

attachment: from posterior sternum to costal cartilages
action: depress ribs
innervation: intercostal nerves

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17
Q

diaphragm

A

attachment: from xiphoid process, inner surface of the lower ribs and costal cartilages, lumbar vertebrae via the crura to the central tendon (inferior border of thorax)
action: inspiration/ inferior displacement
innervation: phrenic nerve (C3-5)

18
Q

Phrenic Nerve C3-5

A

function: sensory and postganglionic sympathetic innervation to pericardium and central tendon: motor and postganglionic sympathetic innervation to diaphragm

19
Q

Left Phrenic Nerve

A

passes anterior to the root of the left lung, lateral to pericardial sac, and passes lateral to the ascending aorta

20
Q

Right Phrenic Nerve

A

positioned lateral to the superior vena cava, lateral to the pericardial sace and passes anterior to the root of the right lung

21
Q

Azygus Vein

A

superios to the right main bronchus

22
Q

Parietal Lymph Nodes

A

parasternal
intercostal
diaphragmatic
posterior medistinal

23
Q

Visceral Lymph Nodes

A 
drains into the left/right bronchomediastinal trunks
Pulmonary 
bronchopulmonary
tracheobronchial (superior and inferior)
paratracheal
24
Q

Medial/lateral dimension

A

inspiration: ribs elevate and move middle of shaft laterally
expiration: ribs depress and move middle of shaft medially

25
Q

anterior/ posterior dimension

A

inspiration: ribs elevate and move sternum upward and forward (pump handle)
expiration: ribs depress and move sternum downward and backward

26
Q

Innervation Landmarks

A

T4=includes the nipple
T6=includes skin over xiphoid
T10=includes the umbilicus

27
Q

Thoracic Wall Innervation

A 
intercostal nerves (T1-6)-- upper intercostal nerves
thoracoabdominal nerves (T7-T11)-- lower intercostal nerves
subcostal nerves (T12)
28
Q

Respiratory Movement

A

increase the volume of the thoracic cavity
vertical dimension: depression of diaphragm
med/lat, ant/post: elevation of ribs

29
Q

Cisterna Chyli

A

function: receives lymph from preaortic and retroaortic lymph nodes and lower extremities (via left and right lumbar trunks) and provides origin to thoracic duct

30
Q

Thoracic Duct

A

function: drain nodes of the right and left lower extremities, pelvis, abdomen, left thorax, left upper extremity, and left head and neck (via cisterna chyli, left jugular, left subclavian, and left bronchomediastinal trunks)

31
Q

Right Lymphatic Duct

A

function: drain nodes of the right thorax, right upper extremity, and right head and neck.
forms: at union of right jugular, right subclavian, and right bronchomediastinal trunks

32
Q

Bronchomediastinal (right and left)

A

function: drain parasternal and thoracic visceral nodes

33
Q

Breast Lymph Nodes

A

parasternal: drian medial breast bilaterally
inguinal: may drain inferior breast
infraclavicular: may drain superio breast
axillary: predominant drainage of breast
apical axillary: drain superior breast and other axillary nodes

34
Q

Parasternal Lymph node

A

Type: parietal

function: drain medial aspect of breast, upper abdominal wall, anterior pleura and part of liver
into: R/L bronchomediastinal trunks

35
Q

intercostal lymph node

A

type: parietal
function: drain lateral and posterior thoracic wall
into: thoracic duct

36
Q

posterior mediastinal lymph node

A

typer: parietal
function: drain pleura and esophagus
into: thoracic duct

37
Q

diaphragmatic lymph node

A

type: parietal
function: drain liver, pleura and diaphragm
into: L/R parasternal

38
Q

Pulmonary Lymph node

A

type: visceral
function: drain lung
into: L/R bronchomediastinal trunk

39
Q

Bronchopulmonary Lymph node

A

type: visceral
function: drain pulmonary nodes and bronchi
into: L/R bronchomediastinal trunk

40
Q

Tracheobronchial lymph nodes

A

type: visceral
function: drain bronchopulmonary and posterior mediastinal nodes, trachea and heart
into: L/R bronchomediastinal trunk

41
Q

paratracheal lymph node

A

type: visceral
function: drain tracheobronchial nodes
into: L/R bronchomediastinal trunk

DPTR 5001 (7 decks)

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