quiz 9 Flashcards
the right lung has ____ lobes; the left lung has ___ lobes
3;2
paranasal sinuses are within the following bones except
mandible
the alveoli are composed of
simple squamous epithelium
the ____ adheres to the surface of the lungs
visceral pleura
the ___ is the most inferior cartilage of the larynx
cricoid cartilage
which of the following structures increases the surface area and air turbulence the most during breathing?
nasal conchae
which of the following airway tubes would have the smallest lumens?
alveolar ducts
potential space between visceral and parietal pleurae
pleural cavity
most inferior portion of the larynx
cricoid cartilage
air-filled space in skull bone that opens into nasal cavity
sinus
microscopic air sac for gas exchange
alveolus
consists of large lobes
lungs
vocal folds, including the opening between them
glottis
fold of mucous membrane containing elastic fibers responsible for sounds
vocal fold
increases surface area of nasal mucous membrane
nasal conchae
passageway for air and food
pharynx
partially covers opening of larynx during swallowing
epiglottis
what is the functional advantage of the alveolar walls being so thin?
exchange of gasses through the wall
what affect would pulmonary edema have on the function of the alveolar wall?
makes the gas exchange hard because lungs are filled with fluid
the size of the thoracic cavity is increased by contractions of all the following muscles except?
external oblique
a ___ is an instrument to measure air volume during breathing
spirometer
the ____ is the maximum volume of air that can be exhaled after taking the deepest breath possible
vital capacity
tidal volume is estimated to be about
500mL
a normal resting breathing rate is about _____ breath per minute
12-15
the contraction of the diaphragm increases the size of the thoracic cavity
t/f
true
vital capacity is the total tidal volume, expiratory reserve volume, and residual volume
t/f
false
vital capacities gradually decrease as a person continues to age
t/f
true
we inhale when the diaphragm contracts
t/f
true
volume of air in addition to tidal volume that leaves the lungs
expiratory reserve volume
vital capacity plus residual volume
total lung capacity
volume of air that remains in lungs after the most forceful expiration
inspiratory capacity
volume of air that enters or leaves lungs during a respiratory cycle
tidal volume
volume of air in addition to tidal volume that enters the lungs during forced inspiration
functional residual capacity
maximum volume of air a person can exhale after taking the deepest possible breath
vital capacity
maximum volume of air a person can inhale following exhalation of the tidal volume during forced expiration
inspiratory reserve volume
volume of air remaining in the lungs following exhalation of the tidal volume
residual volume
