What class of antibodies is normally found in the mucosa of the respiratory tract?
a. IgA
b. IgD
c. IgE
d. IgG
e. IgM
A
You might also like to view...
White matter consists of:
a. cell bodies b. dendrites c. axon terminals d. myelinated axons e. meninges
_____ is known as a cardiac pacemaker
a. Diastole b. Systole c. Cardiac muscle d. SA node e. AV node
Toads of the genus Bufo can secrete enough poison to kill a 100 pound dog. What is the source of this
poison? a. epithelial cells b. goblet cells c. endothelial cells d. sweat glands e. oil glands
A culture medium on which only gram-positive organisms grow, and in which a yellow halo surrounds Staphylococcus aureus colonies, distinguishing S. aureus from other growing species, is best described as
a. a selective, but not differential medium. b. a differential, but not selective medium. c. an enrichment culture d. both a selective and differential medium. e. both a differential and enrichment culture.