Where are the largest alveoli found in the lung?
a. Lingula
b. Apexes
c. Bases
d. Middle
ANS: B
Alveoli found in the apical regions of the vertical lung have greater diameters than those in the basal regions as a result of the gravitational effects. Those in the basal regions are partially col-lapsed as a result of the weight of the organ.
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Fill in the blank(s) with the appropriate word(s).
The disinfectant level that has germicidal agents that can kill all gram-negative bacteria and fungi, but have variable success against spores and certain viruses is:
A. the low level of disinfectants. B. the highest level of disinfectants. C. the intermediate level of disinfectants. D. the germicidal level of disinfectants.