21.2 Flashcards
Air travels from the respiratory bronchioles to the __________.
alveolar ducts
terminal bronchioles
tertiary bronchi
alveolar sacs
Air travels from the respiratory bronchioles to the __________.
A. alveolar ducts
Which bone lacks a paranasal sinus?
frontal
zygomatic
maxillary
ethmoid
Which bone lacks a paranasal sinus?
B. zygomatic
What flap of elastic cartilage keeps food and liquids from entering the larynx during swallowing?
corniculate cartilage
epiglottis
arytenoid cartilage
thyroid cartilage
What flap of elastic cartilage keeps food and liquids from entering the larynx during swallowing?
B. epiglottis
What epithelium forms the alveolus?
pseudostratified ciliated columnar epithelium
simple squamous epithelium
stratified squamous epithelium
simple columnar epithelium
What epithelium forms the alveolus?
Answer: B. simple squamous epithelium
The majority of the nasal cavity is lined with __________.
simple cuboidal epithelium
pseudostratified ciliated columnar epithelium
transitional epithelium
simple squamous epithelium
The majority of the nasal cavity is lined with __________.
Answer: B. pseudostratified ciliated columnar epithelium
Gas exchange occurs in all of hte following EXCEPT:
alveolar sacs
respiratory bronchiles
terminal bronchioles
alveolar ducts
Gas exchange occurs in all of hte following EXCEPT:
alveolar sacs
respiratory bronchiles
terminal bronchioles
alveolar ducts
