12-year-old KT is brought to the pediatrician with a runny nose,sneezing, and coughing and is diagnosed with a common cold. Coldsare caused by one any number of viruses that can infect the upperairways.
1. Antigens are molecules that react with components of theadaptive immune system. Antigens that can initiate the adaptiveimmune response are called:
A. Haptens
B. Immunogens
C. Cytokines
D. Lymphocytes
2. An antibody, or immunoglobulin, is produced by plasma cellsin response to a challenge by the immunogen. Which class ofimmunoglobulins is the first antibody produced during the primaryresponse to antigen?
A. IgA
B. IgE
C. IgM
D. IgG
3. KT has had a common cold before. Why has KT’s adaptive immunesystem not prevented the infection from occurring again?
12-year-old KT is brought to the pediatrician with a runny nose, sneezing, and coughing and is diagnosed with a common c
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12-year-old KT is brought to the pediatrician with a runny nose, sneezing, and coughing and is diagnosed with a common c
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