21) Fluid that reduces surface tension of the alveolar walls.
A) serous fluid
B) pleural fluid
C) surfactant
D) lysozyme
E) mucin
22) These are peripheral chemoreceptors that monitor changes in respiratory gasses and blood acidity levels.
A) ventral respiratory center
B) vagus nerve
C) reticular activating system
D) carotid bodies
E) medulla oblongata
23) The medial opening between the vocal folds through which air passes.
A) glottis
B) vestibule
C) rima glottidis
D) thyrohyoid membrane
E) cricothyroid ligament
24) Specific location within the lungs where gas exchange occurs.
A) terminal bronchioles
B) carina
C) bronchopulmonary segments
D) alveoli
E) respiratory membrane
25) Fissure separating the upper and middle lobes of the right lung.
A) horizontal
B) oblique
C) carina
D) superior
E) inferior
26) The superior and middle nasal conchae are bony projections from the
A) vomer.
B) ethmoid bone.
C) sphenoid bone.
D) maxillary bone.
27) Which cells produce surfactant?
A) type I cells
B) type II cells
C) alveolar macrophages
D) chondrocytes
28) Which part of the nose is composed of dense fibrous connective tissue?
A) the apex
B) the border where the nostril attaches to the maxilla
C) the nasal septum
D) the surface connecting to the nasal bones
29) The rubbing together of inflamed pleural membranes that produces a stabbing pain in the chest is called
A) influenza.
B) tuberculosis.
C) rhinitis.
D) pleurisy.
30) Which structure is
not
located within the nasopharynx?
A) opening of the pharyngotympanic tube
B) palatine tonsil
C) pharyngeal tonsil
D) tubal tonsil