Question

match each term with its correct description. write the letter of the correct description next to the number.
term description

1. igg a. found in secretions such as saliva and milk
2. igm b. first antibody produced in primary immune response
3. iga c. main antibody in circulation; crosses placenta
4. ige d. involved in allergic reactions and binds to basophils
5. igd e. function not well understood; large monomer

Explanation:

• IgG is the main antibody in circulation and can cross the placenta.
• IgM is the first antibody produced in the primary immune response.
• IgA is found in secretions like saliva and milk.
• IgE is involved in allergic reactions and binds to basophils.
• IgD has a function that is not well - understood and is a large monomer.

Answer:

1. c
2. b
3. a
4. d
5. e