EXAM #5 (Ch. 10) Flashcards
what separates thoracic cavity from abdominal cavity?
diaphragm
what are the three separate chambers of the thoracic cavity?
what separates them?
both pleural cavities
+
pericardial cavities
mediastinum separates them
organs in the respiratory system
pharynx
trachea
bronchi
lungs
what is the trachea
16-20 C-shaped cartilaginous rings in its walls
what is the carina
hooklike process in tachea
where trachea vibrates here
right primary bronchus is ____ ____ ____
shorter wider and more vertical than left
subdivisions of bronchial tree
Primary bronchi Secondary bronchi Tertiary bronchi Bronchioles Terminal bronchioles
subdivisions of bronchial tree and direction to alveolar sacs
primary bronchi secondary bronchi tertiary bronchi bronchioles terminal bronchioles alveolar ducts alveolar sacs
what is the inferior portion of the lungs called
base
rests on diaphragm
lower on back and sides than front
what is the medial border of lungs
hilum
right lung is ____ and ____ than left because of the ____
right lung is shorter and broader than left because of the liver
right lung is ____ and ____ than left because of the ____
right lung is shorter and broader than left because of the liver
(moves inferior during inspiration)
(moves superiorly during expiration)
each lung enclosed in a double-walled serous membrane sac called the ____
pleura
which lung has three lobes?
right
aspirated foreign objects most likely to lodge
A. right primary bronchus
B. left primary bronchus
C. carina
D. esophagus
right primary bronchus (shorter and more vertical)
how may lobes does the left lung have?
how many lobes does the right lung have?
left = [2] lobes
right = [3] lobes
what’s the inner layer of pleura called?
what’s the outer layer of pleura called?
inner = visceral pleura
outer = parietal pleura
what is the recommended SID
at least 72 inches
