Problem 1
Classify the following vaccines by type. Which could cause the disease it is supposed to prevent? a. attenuated measles virus b. dead Rickettsia prowazekii c. Vibrio cholerae toxoid d. hepatitis B antigen produced in yeast cells e. purified polysaccharides from Streptococcus pyogenes f. Haemophilus influenzae polysaccharide bound to diphtheria toxoid g. a plasmid containing genes for influenza A protein
Problem 2
Define the following terms, and give an example of how each reaction is used diagnostically: a. viral hemagglutination b. hemagglutination inhibition c. passive agglutination
Problem 5
Explain the effects of excess antigen and antibody on the precipitation reaction. How is the precipitin ring test different from an immunodiffusion test?
Problem 7
How does the antigen in an agglutination reaction differ from that in a precipitation reaction?
