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Question
The first cell type active in the innate response is usually a(n)A) phagocyte.
B) erythrocyte.
C) fibroblast.
D) antibody.
Answer
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Which of the following statements about chlamydial infections is TRUE?
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A) vectors can be controlled through other means.
B) most diseases lack reservoirs.
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In just over a decade of efforts, the World Health Organization (WHO) eradicated smallpox by using worldwide
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The study of the occurrence, distribution, and determinants of health and disease in a population is the field of
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Filoviruses (such as Ebola virus) that cause severe hemorrhagic fevers generally have high ________ but low ________.
A) incidence / prevalence
B) prevalence / mortality
C) mortality / morbidity
D) morbidity / mortality
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Cholera is an example of a pandemic disease that
A) has multiple wild animal reservoirs and is thus difficult to eradicate.
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C) is spread through direct contact and has only a human reservoir.
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C) the vector is seasonal.
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The major histocompatibility complex is also called the
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A) clonal anergy
B) clonal deletion
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Q:
Clonal anergy is a state of
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B) high energy.
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D) high energy and antibody production.
Q:
An individual usually expresses ________ structurally distinct allele(s) that encode class I MHC proteins.
A) one
B) two
C) four
D) six