Graft-versus-host disease is primarily a
A.
type I reaction.
B.
type II reaction.
C.
type III reaction.
D.
type IV reaction.
E.
type V reaction.
D
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Enterococcal high-level gentamicin resistance predicts resistance to:
a. vancomycin. b. aminoglycosides. c. cephalosporins. d. levofloxacin.
____ is the study of body plans and structures among groups of organisms
a. Embryology b. Molecular archeology c. Evolution d. Comparative morphology e. Composition
Which cells target parasites and worms?
a. eosinophils b. B and T cells c. macrophages d. phagocytes e. cytokines
How does carbon move through the carbon cycle?
A) Carbon flows one way from volcanoes to plants to consumers and then to the atmosphere. B) Carbon is recycled among plants, animals, water, soil, and the atmosphere. C) Carbon dioxide (CO2 ) is the only carbon-containing compound involved in the carbon cycle. D) Exhaled carbon dioxide becomes trapped in the atmosphere, adding to the greenhouse effect.