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BIO 315 WSU lecture exam 4
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BIO 315 WSU lecture exam 4
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BIO 315 WSU lecture exam 4_________ are terminal air sacs at the end of bronchioles - CORRECT
ANSWER-Alveoli
What are the two zones of the respiratory system? - CORRECT
ANSWER-conducting zone and respiratory zone
What is the difference between the respiratory zone and the conducting zone in
the respiratory system? - CORRECT ANSWER--Conducting zone: aire
passageway
-Respiratory zone: exchange of gases between blood and atmosphere
In the upper respiratory tract, where is olfactory mucosa located? - CORRECT
ANSWER-superior nasal conchae, upper nasal septum
In the respiratory tract, where is respiratory mucosa located? - CORRECT
ANSWER-remainder of nasal cavity, nasopharynx, trachea, main bronchi
What epithelium forms respiratory mucosa? - CORRECT ANSWER-Ciliated
pseudostratified columnar epithelium
What is contained within the epithelium of respiratory mucosa? - CORRECT
ANSWER-Goblet cells
Respiratory mucosa has an underlying layer of what? - CORRECT
ANSWER-lamina propria (mucosal glands that secrete lysozyme_
T/F: respiratory muscosa possesses a muscularis mucosa layer - CORRECT
ANSWER-F
Where do the cilia in respiratory mucosa move contaminated mucus to? -
CORRECT ANSWER-oropharynx
Nostrils - CORRECT ANSWER-External nares
,The external nares are made of what kind of epithelium? - CORRECT
ANSWER-Stratified squamous epithelium
What two bones make up the posterior nasal septum? - CORRECT
ANSWER-Ethmoid, vomer
The nasal septum is covered by _____________ - CORRECT
ANSWER-Respiratory mucosa
The nasal cavity is continuous with what structure? - CORRECT
ANSWER-Nasopharynx
What is the structure that is the opening between the nasal cavity and the
nasopharynx? - CORRECT ANSWER-choanae
The superior and middle nasal conchae are part of what bone? - CORRECT
ANSWER-Ethmoid bone
the inferior nasal conchae is part of what bone? - CORRECT ANSWER-Maxilla
bone
The nasal conchae are covered by what? - CORRECT ANSWER-Respiratory
mucosa
What is the function of the nasal conchae and meatuses? - CORRECT
ANSWER-filter, warm, and moisten inhaled air
What are the 4 nasal sinuses? - CORRECT ANSWER-frontal, ethmoidal,
sphenoidal, maxillary
The paranasal sinuses are lined by what? - CORRECT ANSWER-respiratory
mucosa
What is the function of the paranasal sinuses? - CORRECT ANSWER-warm and
moisten air, trap dust, lighten skull, sound resonance
, T/F: the nasopharynx is passage for swallowed substances - CORRECT
ANSWER-False
What is the nasopharynx lined with? - CORRECT ANSWER-respiratory mucosa
What makes up the posterior wall of the nasopharynx? - CORRECT
ANSWER-Pharyngeal tonsils
What opening is present in the nasopharynx? - CORRECT ANSWER-Opening of
the pharyngotympanic tube
what are the 3 functions of the larynx? - CORRECT ANSWER--voice production
-provides an open airway
-routes air and food to proper channels
The cartilage components of the larynx are all made of this cartilage, except for
the epiglottis - CORRECT ANSWER-Hyaline cartilage
The epiglottis is made of what kind of cartilage? - CORRECT ANSWER-Elastic
cartilage
The thyrohyoid membrane is made up of _____________ - CORRECT
ANSWER-Connective tissue
Ring shaped cartilage inferior to thyroid cartilage - CORRECT ANSWER-Cricoid
cartilage
Largest cartilage of the larynx, anterior - CORRECT ANSWER-Thyroid cartilage
Paired cartilages, posterior larynx, pyramid shaped - CORRECT
ANSWER-Arytenoid cartilage
The arytenoid cartilages anchor what? - CORRECT ANSWER-"true" vocal cords
What are "true" vocal cords? - CORRECT ANSWER-vocal ligaments made of
elastic fibers covered by mucosa
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