Untitled Deck Flashcards
(44 cards)
Where do you place the stethoscope to auscultate the middle lobe of the right lung?
Between ribs 4 and 6 in mid-clavicular and mid-axillary lines.
Where do you auscultate the lung bases?
Posteriorly, in the scapular line at the T11 vertebral level.
At what level is the horizontal fissure of the right lung?
Rib 4.
At what level are the oblique fissures of the lungs anteriorly and posteriorly?
Rib 6 anteriorly, T3 posteriorly.
At what vertebral level does the larynx become the trachea?
C6.
What are the anterior and posterior arterial sources for the intercostal arteries?
Anterior: internal thoracic artery; Posterior: thoracic aorta.
What is the order of the intercostal neurovascular bundle from superior to inferior?
Vein, Artery, Nerve (VAN).
What mnemonic helps remember diaphragm openings and their vertebral levels?
“I Ate 10 Eggs At 12” (IVC – T8, Esophagus – T10, Aorta – T12).
What spinal nerves form the phrenic nerve?
C3, C4, C5.
What nerve innervates serratus anterior and what does its paralysis cause?
Long thoracic nerve; winged scapula.
What is the most inferior part of the pleural cavity?
Costodiaphragmatic recess.
What is the ‘tongue’ of the superior lobe of the left lung called?
Lingula.
Where does the trachea bifurcate?
At the sternal angle.
Which nerve is medial to the phrenic nerve?
Vagus nerve.
What is the order of great vessels from right to left?
Superior vena cava, Aorta, Pulmonary artery (SAP).
Where is the tricuspid valve located in relation to surface anatomy?
Deep to the coronary groove (with the RCA).
What artery runs in the anterior interventricular groove?
Left anterior descending artery (LAD).
What artery runs in the posterior interventricular groove?
Posterior interventricular artery (branch of RCA).
What are the main branches of the LCA?
Circumflex, LAD, left marginal, diagonal branches.
What are the three openings in the right atrium?
SVC, IVC, and coronary sinus.
What is the depression in the right atrium called?
Fossa ovalis (remnant of the foramen ovale).
Where is the SAN located?
Just below the opening for the SVC.
What connects heart valve cusps to papillary muscles?
Tendinous cords (chordae tendineae).
What marks the boundary between superior and inferior mediastinum?
Transverse thoracic plane (sternal angle to T4/T5).