A group of viruses that cause severe diarrhea, resulting in over 600,000 deaths worldwide annually is the ________.
A. rotaviruses
B. polioviruses
C. herpesviruses
D. poxviruses
Answer: A
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Which of the following enables almost all cells of the body to be recognized by an individual's immune system as "self"?
A. The presence of class I MHC molecules on cell surfaces B. The presence of class II MHC molecules on cell surfaces C. The presence of ABO antigenic markers on cell surfaces D. The presence of Ig D molecules on cell surfaces
For nearly all metabolic reactions, the cell uses ________ as the energy carrier
a. ATP b. cAMP c. fat d. glucose
Antibody-mediated responses work against _____
a. intracellular pathogens b. extracellular pathogens c. cancerous cells d. both intracellular pathogens and extracellular pathogens e. both extracellular pathogens and cancerous cells f. intracellular pathogens, extracellular pathogens, and cancerous cells
Rheumatoid arthritis is the most threatening form of arthritis and often results in a replacement prosthesis of the damaged joint. Explain how this form of arthritis differs from other forms
What will be an ideal response?