Structures
Where does esphagus exit the thoracic cavity?
T10
damage to the external laryngeal nerve could impact what muscle and function?
cricothyroid muscle
tensing of the vocal folds
Which lung has the unique lingula feature?
left
Left atrium receives oxygenated or deoxygentated blood? from where?
oxygentaed blood from pulmonary veins
Which ribs are true? False? floating?
true: 1-7
False: 8-10
floating:11 and 12
the azygous vein arch is locted where in the mediastinum?
middle
blood enetering pleural cavity called what?
hemothorax
Primary/cheif muscle of respiration?
diaphragm
What heart layer consists of thick cardiac muscle?
myocardium
What provides sensory innervation to the diaphragm?
phrenic
Which heart chamber makes up most of the anterior (front) surface of the heart?
right ventricle
A patient requires a pacemaker to regulate the heart’s rhythm. Which part of the cardiac conduction system is most likely impaired?
In which lung is the pulmonary artery superior to the primary bronchus?
left
What artery typically runs with the Great cardiac vein?
left anterior descending artery
most common place for ribs to fracture?
anterior to the angle
What structure does the LEFT recurrent larygenal nerve wrap around before descending along trachea? the right?
Left- aortic arch
Right- right subclavian artery
A patient reports chest discomfort with signs of inflammation. On examination, auscultation reveals a scratchy, rubbing sound. What is the most likely diagnosis?
pericarditis
This condition occurs when air enters the pleural space, causing the lung to collapse.
pneumothorax
What is the heart's pacemaker?
SA node
What produces the "lub" sound
bicupsid and tricupsid valves closing
Where is the sternal angle approx. located?
second rib level
T4-T5 vertebrae
Where would a clinician auscultate the left AV valva?
5th intercostal space, near the apex of the heart.
This portion of the airway marks the bifurcation of the trachea into the right and left main bronchi and is located near the sternal angle.
carina of trachea
What does the moderator band do?
carries conduction fibers from the atrioventricular node (via the right bundle branch) to the anterior papillary muscle of the right ventricle.
what ABducts the vocal folds?
posterior cricoarytenoid