BackName the five classes of immunoglobulins. Which is most likely to be found attached to a B cell membrane? Which is most abundant in plasma? Which is important in allergic responses? Which is the first Ig to be released during the primary response? Which can cross the placental barrier?
Name the five antibody classes and describe where each is most likely to be found in the body.
Differentiate between a primary and a secondary immune response. Which is more rapid and why?
Antibodies released by plasma cells are involved in:
a. Humoral immunity
b. Immediate hypersensitivity reactions
c. Autoimmune disorders
d. All of the above
An investigator at a crime scene discovers some body fluid on the victim's clothing. The investigator carefully takes a sample and sends it to the crime lab for analysis. On the basis of the analysis of antibodies, could the crime lab determine whether the sample is blood plasma or semen? Explain.
______ is the first immunoglobulin class produced during a primary response.
How do antibodies help defend the body?
Compare and contrast the effects of complement with those of interferon.
An anesthesia technician is advised that she should be vaccinated against hepatitis B, which is caused by a virus. She is given one injection and is told to come back for a second injection in a month and a third injection after 6 months. Why is this series of injections necessary?
Which of the following is not a role of TH cells?
a. Stimulation of macrophages
b. Activation of naïve TC cells
c. Stimulation of naïve B cells
d. Stimulation of clonal selection
Explain how active immunity and passive immunity differ.