The most common food allergens are
a. tomatoes, peppers, and eggs.
b. eggs, milk, and strawberries.
c. oranges, pineapples, and shellfish.
d. shellfish, tomatoes, and cheese.
e. shellfish, eggs, and wheat.
E
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What type of metabolic pathway requires oxygen?
A) aerobic B) anaerobic C) photosynthetic D) fermentative
The perforin-granzyme pathway involves
A) the production of fever, which kills the pathogen. B) the production of antibodies toward the invading pathogen. C) the synthesis of special cell-killing proteins that act on infected or abnormal cells. D) presenting the foreign antigen to B cells. E) binding CD95L to infected cells, which eventually leads to cell apoptosis.
Superantigens are
A. cell markers found in some member of a species but not in other members. B. bacterial toxins that activate T-cells at a 100 times greater rate than other antigens. C. body tissues that the immune system mistakes as foreign. D. those that evoke allergic reactions.
Which is mismatched?
A. prostaglandins - activate eosinophils and B-cells B. serotonin - causes smooth muscle contraction C. interferon alpha and beta - inhibits viral replication D. interleukin-2 - stimulates T-cell mitosis and B-cell antibody production E. tumor necrosis factor - increases chemotaxis and phagocytosis