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Systemic Examination Station L2P1

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lunalovegood's version from 2015-10-06 04:30

Section

Question Answer
The thoracic cage has a ___ inlet and a ___ outlet.narrow, wide
The front boundary of the thoracic cage is the _____, _____ cartilages, and the ___.sternum, costal, ribs
The posterior boundary of the thoracic cage are the ____ vertebrae and the ___.thoracic, ribs
The lateral boundaries of the thoracic cage are the ___.ribs
The upper border of manubrium sterni is the ___ border of the thoracic INLET.anterior
The 1st thoracic vertebra is the _________ border of the thoracic INLET.posterior
The 1st rib and the 1st costal cartilage are the ___ borders of the thoracic INLET.lateral
There are _________ pairs of ribs total - they attach posteriorly to thoracic vertebrae.12
The "true ribs" are _________-_________.1-7
The "false ribs" are _________-_________8-10
The "floating ribs" are _________ and _________.11, 12
True ribs articulate with a ____ cartilage and the ____.costal, sternum
A groove located on the lower, inner border of the rib...costal groove
Name 3 things the costal groove contains.intercostal artery, vein, and nerve
Name 3 parts of the sternum.manubrium, body, xiphoid process
Sternum: ____ articulates with the clavicle.manubrium
Sternum: ____ articulates with the clavicle and the 1st and 2nd ribs.manubrium
Sternum: ____ articulates with ribs 1 through 7.body
Sternum: ___ ___ articulates with the 7th rib.xiphoid process
Sternal angle ... aka....angle of Louis
Sternum: the junction between T3 and T4 is called...sternal angle (angle of Lewis)
memorize

 

Intercostal Spaces
Question Answer
There are ___ anterior and ___ posterior intercostal spaces.9, 11
Intercostal spaces contain...intercostal nerves, muscles and vessels
The internal intercostal muscle fibers are directed ____ and ___.downwards, backwards
In the middle of the intercostal space, the ___ intercostal muscle is divided into 2 parts by intercostal nerves and vessels.internal
The internal intercostal muscle is divided into the outer internal intercostal muscle proper and the inner ___ intercostal muscle.innermost
4 to 5 slips which arise from inner surface of the lower part of the body of the sternum and inserted into costal cartilages.transversus thoracic muscle
Subcostalis muscle: mainly in the lower _________ spaces and ONLY in the POSTERIOR part of those spaces.6
The SCM and the scalenes are ______ muscles to ______.accessory, inspiration
The SCM elevates the ________.sternum (it's an accessory muscle to inspiration)
The scalene muscles ____ and ___ the upper ribs.elevate, fix
The ___ ___ are the principal muscles of inspiration. They elevate the ribs to increase the width of the thoracic cavity.external intercostals
The ____ part of the internal intercostals is a principal muscle of inspiration.interchondral
The domes of this principal muscle descend, increasing the longitudinal dimension of the thoracic cavity...diaphragm
The diaphragm also helps in elevating the _____ (upper, lower) ribs.lower
In quiet breathing, expiration is a result of...passive recoil of the lungs and rib cage
In active expiration, the ___ ___ muscles depress the lower ribs, reducing the width of the thoracic cavity.internal intercostals (all except the interchondral part)
The abdominal muscles depress the lower ribs and compress the abdominal contents, thus pushing up the ___ muscle.diaphragm
memorize

 

Intercostal Arteries
Question Answer
Anterior intercostal arteries: __small arteries in each of the _________ spaces.2, 9
Anterior intercostal arteries: the upper ___ are from the internal thoracic artery.6
Anterior intercostal arteries: the lower ___ are from the musculophrenic branch of the internal thoracic artery.3
Anterior intercostal arteries: the upper 6 are from the ____ ____ artery.internal thoracic (from 1st part subclavian artery)
Anterior intercostal arteries: the lower 3 are from the ___ branch of the _________ ___ artery.musculophrenic branch of the internal thoracic artery
The internal thoracic artery... aka...internal mammary artery
Posterior intercostal arteries: _________ artery in each of the _________ spaces.1, 11
Posterior intercostal arteries: number _________ and ___ come from the superior intercostal artery of the costocervical trunk.1, 2 (2nd part subclavian artery)
Posterior intercostal arteries: the lower ___ arteries and the subcostal artery come from the descending thoracic aorta.9
Posterior intercostal arteries: the 1st and 2nd arise from the ___ ____ artery of the _____ trunk.superior intercostal, costocervical trunk (2nd part subclavian artery)
Posterior intercostal arteries: the lower 9 arteries and the subcostal artery come from the ___ ___ ___.descending thoracic aorta
In each space the posterior intercostal artery and its ____ branch anastomose with the 2 anterior intercostal arteries in the space.collateral
memorize

 

Better buy some Drano
Question Answer
The anterior intercostal arteries drain into the ____ ____ vein.internal thoracic (internal mammary vein)
The internal thoracic vein drains in the innominate vein aka... the ____ vein.brachiocephalic
RIGHT Posterior intercostal arteries: number _________ drains into the right innominate vein (brachiocephalic) _________, _________, and sometimes _________ unite to form the right superior intercostal vein - which drains into the azygos vein, and lastly _________ to _________ plus the _____ veins also drain into the azygos vein.1, 2, 3, 4, 5-11, subcostal
LEFT Posterior intercostal arteries: number _________ drains into the left innominate vein (brachiocephalic) _________, _________, and sometimes _________ unite to form the left superior intercostal vein - which drains into the left innominate vein. _________-_________ form the superior hemiazygos vein and _________-_________ and the subcostal vein form the inferior hemiazygos vein - both drain into the azygos vein.1, 2, 3, 4, 5-8, 9-11
RIGHT Posterior intercostal artery: 1st drains into ____ ____ vein.right innominate vein (right brachiocephalic vein)
RIGHT Posterior intercostal artery: 2nd, 3rd, and sometimes 4th unite to form the ___ ___ ___ vein - which drains into the _________ vein.right superior intercostal, azygos
RIGHT Posterior intercostal artery: 5-11 and the subcostal veins drain into the ___ vein.azygos
LEFT Posterior intercostal artery: 1st drains into ___ ___ vein.left innominate vein (left brachiocephalic vein)
LEFT Posterior intercostal artery: 2nd, 3rd and sometimes 4th unite to form the ___ ___ ___ vein - which drains into the _________ ___ vein.left superior intercostal, left innominate
LEFT Posterior intercostal artery: 5-8 form the ___ ____ vein - which drains into the ___ vein.superior hemiazygos vein, azygos vein
LEFT Posterior intercostal artery: 9-11 and the subcostal veins form the ___ ___ vein - which drains into the ___ vein.inferior hemiazygos vein, azygos vein
memorize

 

Last Part
Question Answer
What connects the superior vena cava to the inferior vena cava?azygos vein
The azygos vein begins in the abdomen from the back of IVC at the level of _________.L2
The azygos vein enters the thorax through the _____ opening of the diaphragm.aortic
The azygos vein enters the thorax through the aortic opening of the diaphragm on the ___ side of the thoracic duct and aorta.right
In the posterior mediastinum, the azygos vein passes behind ___ border of the esophagus and root of ___ lung.right, right
In the superior mediastinum, the azygos vein crosses above the root of the ___ lung.right
Lastly, the azygos vein enters the middle of the back of the ___.SVC (superior vena cava)
The anterior primary rami of spinal thoracic nerves T1-T12...intercostal nerves (T12 is called subcostal)
T3-T6 intercostal nerves are restricted to intercostal spaces - thus they are ___.typical
T1 and T2 intercostal nerves supply the intercostal space and the upper extremity - thus they are ___.atypical
T7 through T11 and subcostal (T12) intercostal nerves supply the lower intercostal spaces and abdominal wall - thus they are ___.atypical
Each of the intercostal nerves run in the intercostal space ____ (superior/inferior) to the intercostal vessels.inferior
T7-T11 and subcostal (T12) intercostal nerves... aka...thoracoabdominal nerves
Name the typical intercostal nerves.T3-T6
Name the atypical intercostal nerves.T1, T2 and T7-T11 and subcostal (T12)
Typical intercostal nerve leaves the ___ ___ to reach the intercostal space.intervertebral foramen
Typical intercostal nerve pierces the ___ ___ muscle - splitting it into internal intercostal proper and innermost intercostal.internal intercostal muscle
Typical intercostal nerve pierces intercostal muscles _____ (anteriorly, posteriorly) to become the ___ ___ nerve.anteriorly, anterior cutaneous nerve
___ ___ nerve branches include: white and gray rami communicans with sympathetic ganglion, collateral branches to intercostals, lateral cutaneous branch to skin, anterior cutaneous, muscular branches, pleural sensory branches, and articular branches.typical intercostal nerve
The 1st intercostal nerve joins the ___ _________.brachial plexus
The 2nd intercostal nerve joins the ___ ___ nerve of the arm via a branch called the _____ nerve.medial cutaneous nerve, intercostobrachial nerve
In angina pectoris and MI, the pain felt on the medial side of the arm is from the ___ ___ nerve.medial cutaneous
memorize

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