Exam 39: Immunology: Animal Defense Systems

The outer layer of eggs ovulated by female mammals is called the zona pellucida (ZP).Injecting fragments of the ZP into wildlife species has been explored as a means of birth control,because future ovulations lead to an immune response preventing implantation.This technique relies on _______ immunity.

Which cell type is not a phagocyte?

Antigens can bind to an antibody at _______ site(s);binding occurs at the _______ regions of the antibody.

If you were vaccinated against measles as a child,you still have immunity to the disease decades later because

Which statement about the complement system is false?

Refer to the diagram below illustrating an immune response to an antigen.The cell labeled A is a _______ cell involved in a(n)_______ immune response.

B cells mature in

Which type of defense is not provided by complement proteins?

After a T_H cell has bound to an antigen-presenting cell,it releases cytokines that simulate B cells and T_C cells bearing receptors to the same antigen to divide.This is the _______ phase of the humoral and cellular immune responses.

Which statement about the humoral immune response is true?

Which is not a mechanism that generates antibody diversity in the human immune response?

Which type of molecule is most likely responsible for fever during inflammation?

Which statement is true?

Antibodies are made by

Epitopes are

Defensins,which are toxic to a wide range of pathogens,are produced by

Which action does not occur during inflammation and wound healing?

Which statement about natural killer cells is false?

The extraordinary diversity of antibodies results in part from

It has been discovered only recently that the plague of Athens (during the Peloponnesian War)was likely caused by