Ch 22 Quiz Questions Flashcards
most foreign substances in inspired air fail to reach lungs because of the
ciliated epithelium & mucus that line the respiratory passages
which muscle is used for both quiet & forced expiration
internal intercostals
functions of nasal conchae
help warm the air
deflect particulates to mucosa
moisten air
structures located within nasopharynx
pharyngeal tonsil, opening of pharyngotympanic tube, tubal tonsil
type of epithelium in respiratory mucosa
pseudostratified ciliated columnar epithelium
left lung has
cardiac notch
pathway that air travels
larynx
trachea
primary bronchi
lobar (secondary) bronchi
segmental (tertiary) bronchi
bronchioles
when diaphragm contracts, size of thoracic cavity ____, pressure inside ______, air flows ______ the lungs
increases
drops
into
what flaps over glottis when we swallow food
epiglottis
paranasal sinuses
help warm and moisten air
which cells produce surfactant
type 2 cells
which bronchi have different names such as (right upper, left lower, or right middle lobe bronchus)?
lobar (secondary) bronchi
what happens to the lungs in elderly individuals
elasticity declines
what contains fluid between the 2 layers, which allows the lungs to glide over the thoracic wall with each breath
pleura
the ventral respiratory group (VRG), a group of neurons that generates the basic respiratory rhythm is located within the
medulla oblongata