AP 2 Exam 3 Practice Questions and
Answers
Cytotoxic T-cells interact with Class II major histocompatibility complex (MHC) proteins. -
ANSWERFALSE
When a virus infects a cell, some of the viral proteins are broken down into peptide fragments. -
ANSWERTRUE
Helper T cells interact with Class I ...
Which of the following statements accurately describes the difference between cellular and humoral
immunity? - ANSWER✔✔Cellular immunity directly attacks pathogens and infected cells, while humoral
immunity releases antibodies to do so.
In ________ immunity, the body's reaction to foreign substances is the same regardless of the pathogen,
but in _________ immunity, the body's reaction to foreign substances is specific to the particular
pathogen present. - ANSWER✔✔innate; adaptive
Antigen presentation requires the physical attachment of antigen to a specialized transmembrane
__________ called MHC. - ANSWER✔✔protein
When interferon attaches to a cell, - ANSWER✔✔virus can enter the cell but cannot replicate.
When interferon from one cell attaches to a second cell - ANSWER✔✔the recipient cell makes enzymes
that degrade viral RNA and DNA.
Interferon - ANSWER✔✔stimulates macrophages and NK cells to destroy virus infected cells.
IgE molecules attach to mast cells and basophils with their - ANSWER✔✔constant region.
In IgE mediated hypersensitivity, all of the following are needed except - ANSWER✔✔neutrophils
Histamine released by mast cells leads to all of the following symptoms except - ANSWER✔✔high fever
Arrange the following events in the proper order in which they occur during an allergic response.
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