Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?
A) simple columnar
B) simple squamous
C) simple cuboidal
D) pseudostratified columnar
B
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The vocal folds are located within the
A) nasopharynx. B) oropharynx. C) larynx. D) trachea. E) bronchi.
When used in dogs, _________________________________________ toxoid, an inactivated toxin from the Western diamondback rattlesnake, reduces morbidity and mortality
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If 0.9% NaCl (saline) solution is isotonic to a cell, then a 0.5% saline solution
A. will cause crenation of the cell. B. will not affect the cell. C. will shrink the cell. D. is hypertonic to the cell. E. is hypotonic to the cell.
A patient takes medications after a liver transplant so his or her body will not reject the organ because of:
a. Acquired immunity b. Cell-mediated immunity c. Humoral immunity d. Natural immunity