Flashcards in Chapter 19- Thorax and Lungs Deck (98)
A bony structure with a conical shape, which is narrower at top.
Defined by sternum, 12 pairs of ribs, and 12 thoracic vertebrate .
What ribs are floating ribs with free palpable tips?
ribs 11 and 12
Points at which ribs join their cartilages; they are not palpable.
U shaped depression just above sternum between clavicles
“breastbone”. manubrium, body, and xiphoid process
“Angle of Louis” at articulation of manubrium and sternum, and continuous with second rib.
The right and left costal margins form an angle where they meet at xiphoid process.
___ also marks the site of tracheal bifurcation into right and left main bronchi. It also corresponds with upper border of atria of the heart, and it lies above fourth thoracic vertebra on back.
“Angle of Louis” or Manubriosternal angle.
Flex your head and feel for most prominent bony spur protruding at base of neck.
Count down these knobs on vertebrae, which stack together to form spinal column.
Scapulae are located symmetrically in each hemothorax.
Inferior border of scapula
Palpate midway between spine and a persons side to identify it’s free tip.
Use ___ to pinpoint finding vertically on chest.
anterior chest reference lines:
note midsternal and midclavicular line
posterior chest reference lines:
note vertebral (midspinal) line and scapular line
Lift up the persons arm 90 degrees and divide lateral chest by what 3 lines?
Anterior axillary line
Posterior axillary line
middle section of thoracic cavity containing esophagus, trachea, heart, and great vessels
What cavities contains the lungs?
Right and left pleural cavities
Which lobe of the lung is shorter and why?
The right lung is shorter because of the underlying liver
Which lung is narrower and why?
The left lung is narrower because the heart bulges to the left.
How many lobes in each side of the lungs?
Right side has 3 lobes: upper, middle, and lower.
Left side has 2 lobes: upper and lower
__ form an envelope between lungs and chest wall.
Thin and slippery serous membranes.
__ normally has a vacuum, or negative pressure which holds lungs tightly against chest wall.
Pleural cavity is potential space filled with __.
Only a few milliliters of lubricating fluid.
Trachea lies ____ and is ___ inches long.
anterior to the esophagus and is 10-11 cm long.
trachea and bronchi ___ between the environment and lung parenchyma.
Trachea and Bronchi are lined with ___.
Functional respiratory unit consists of bronchioles, alveolar ducts, alveolar sacs and alveoli.