Exam 1 Weekly Review Questions Flashcards
In adaptive immunity acquired by active natural immunity, the duration of the presence of circulating antibody is ________ some other types of responses.
Longer than
In adaptive immunity the mode of acquisition of passive natural immunity is:
Transfer in vivo or by colostrum
A secondary lymphoid tissue in mammals is:
Lymph nodes
An appropriate definition or description of cooperative interaction is:
Specific cellular elements, cell products, and nonlymphoid elements
An appropriate definition or description of lymphocytes is:
T and B types
Bonding of antigen to antibody exists exclusively as
Noncovalent bonding
An appropriate description of IgG is:
Diffuses more readily into extravascular spaces, neutralizes toxins, and binds to microorganisms
Avidity is defined as:
Strength with which a multivalent antibody binds to a multivalent antigen
The characteristic associated with IgD is:
Primarily a cell membrane immunoglobulin
The IgE antibody class:
Has the shortest half-life
The IgM antibody class:
Has the highest molecular weight
The chemical composition of an antibody is:
Protein
A characteristic of Chediak-Higashi Syndrome is:
Marked defect in cellular response to chemotaxis
The function of neutrophils is:
As primary phagocytic cells
A characteristic of myeloperoxidase deficiency is:
Mild-to-moderate defect in bactericidal ability of neutrophils
The surface membrane marker for CD8 is found on:
Suppressor-cytotoxic T cells
Which of the following is not a characteristic of T lymphocytes?
Can synthesis and secrete immunoglobulin
The process of aging causes the thymus to:
- Decrease in size
- Lose cellularity
The surface marker for CD3 is found on:
All or most T lymphocytes
The appropriate function of B lymphocytes is:
Humoral immune response
The characteristic associated with colony stimulating factor is:
Stimulates hematopoietic growth factor
Which activity is associated with interferon?
Interferes with viral replication
Which of the following conditions can be associated with hypercomplementemia?
Myocardial infarction
The three complement activation pathways converge at the point of cleavage of complement component ___________.
C3
The __________ terminates in a membrane attack complex
- Classic Pathway
- Alternative Pathway
Generation of an active (C3bBb) C3 convertase is seen in
Alternative Pathway
All of the following are complement controlling proteins except:
- C1 (INH)
- Factor I
- Factor H
- C3
C3
Which is not a component of the alternative pathway?
- C4
- Factor I
- Factor H
- C3
C4
Which pathway requires a humoral immune response?
Classic Pathway
Which is not one of the 4 main sources of Biological Response Mediators?
- B lymphs
- NK cells
- Monocytes
- Neutrophils
Neutrophils
