21. The Immune System

Fill in the blanks: Nonspecific immunity is also known as_____. Specific immunity is also known as_____. Specific immunity has the capacity for immunological ______ .

Terrence has severe asthma and allergies, and is placed on a medication that blocks the functioning of IgE. How would this medication alleviate his symptoms?

Match the following antibody classes with their description:

a)   IgA.      b)  IgG.         c)  IgE.         d)  IgM.      e)  IgD.

___ First antibody produced during primary response.

___ Protects mucous membranes.

___ Most abundant antibody.

___ Found on the surface of B cells.

___ Triggers allergic reactions to allergens.

The primary B-cell receptor is:

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. The cells involved in organ and transplant rejection are primarily B cells.

Which of the following is NOT an immunoglobin class?

Match the following antibodies with the correct definition.     

____IgD     

____IgM     

____IgG     

____IgA     

____IgE

a. Antibody found in secretions

b. Most common antibody; crosses the placenta

c. Antibody involved in allergies and parasitic infections

d. Pentamer and potent agglutinating agent

e. Antibody bound to the B cell plasma membrane

Mark the following statements as true or false. If a statement is false, correct is to make a true statement.

d. Vaccinations are given to induce the production of the inflammatory response.

______ is the first immunoglobulin class produced during a primary response.

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.

Mark the following statements as true or false. If a statement is false, correct is to make a true statement.

c. Subunit vaccines consist of pathogens that are alive but unable to cause disease.

Which of the following antibodies is involved in causing basophils to release histamine when the antibody encounters an allergen?

Each class of antibody is specifically defined by its

_______ is the immunoglobulin class that neutralizes viruses in the intestinal tract.

Which antibody class crosses the placenta from mother to child?

Your friend tests her snake-wrangling skills on an eastern diamondback rattlesnake, and is bitten and envenomated (injected with the snake's venom). In the emergency department, doctors administer the antivenin CroFab, which contains antibodies to the toxins in snake venom. Is this an example of active or passive immunity? Will this confer any lasting protection to your friend?