Expectorants are effective by _______.
a. liquefying pulmonary secretions
b. increasing secretions and reducing their viscosity, although evidence of benefit is
lacking.
c. cough suppression
d. competitive antagonism of histamine1 receptor sites
e. constriction of blood vessels in the respiratory tract
b. increasing secretions and reducing their viscosity, although evidence of benefit is
lacking.
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A suffix that means instrument for viewing is ________.
Fill in the blank(s) with the appropriate word(s).
Which assay is more specific?
a. the cold agglutination reaction for M. pneumoniae b. the presumptive test for infectious mononucleosis c. the VDRL test for syphilis d. the use of indirect immunofluorescence to detect antibodies to M. pneumoniae e. the use of Proteus vulgaris antigens to diagnose Rickettsia
The fibrous membrane covering the inside surface of the cortex is the:
A. endosteum. B. medullary cavity. C. osteoclast. D. periosteum.
____________________, also known as air sacs, are the very small, grapelike clusters found at the end of each bronchiole.?
Fill in the blank(s) with correct word