Infectious Diseases Flashcards
Factors that influence the development of an infections disease include all of the following except the:
A. Immune Status of the individual
b. Incidence of the organism in the population
C.. Pathogenicity of the agent
d. Sole presence of the agent or micro organism
d. Sole presence of the agent or micro organism
Match the immunological defense against the organism:
2.Bacteria
3.Yeast
4.Virus
5.Parasite
a. Interferon
b. Lysosome and phagocytosis
c. Immunoglobulins, complement, antibody-dependent
cell-mediated cytotoxicity, and cellular defenses
d. Possibly the activation of complement
- b
- d
- a
- c
The detection of _________ can be of diagnostic
significance during the first exposure of a patient to an
infectious agent.
a. IgM
b. IgG
c. IgA
d. IgD
a. IgM
Serologic procedures for the diagnosis of recent infection
should include:
a. Only an acute specimen
b. Only a convalescent specimen
c. Acute and convalescent specimens
d. Acute, convalescent, and 6-month postinfection
specimens
c. Acute and convalescent specimens
An important factor affecting microbial disease develop-
ment is the:
a. Ability of some microorganisms to multiply in an
intracellular habitat
b. Display of antigen variation
c. Presence of a related microorganism
d. Both a and b
d. Both a and b
- For an infectious disease to develop in a host, the
organism must initially:
a. Survive phagocytosis
b. Be in the log phase of multiplication
c. Penetrate the skin or mucous membrane barrier
d. Be present in the host for 7 to 10 days
c. Penetrate the skin or mucous membrane barrier
10-12. Match each type of infectious disease to the appropri-
ate description.
- _____ Bacterial disease
- _____ Viral disease
- _____ Parasitic disease
a. Affected by immune responses such as immuno-
globulin, complement, and antibody-dependent
cell-mediated cytotoxicity
b. Inhibited by antibiotics, lysozymes, and
phagocytosis
c. Stimulates production of, and is in turn inhibited by,
interferon
- b
- c
- a
- The first type of antibody that may be apparent in the
immune response to an infectious disease is:
a. IgM
b. IgG
c. IgD
d. IgA
a. IgM
- A distinguishing characteristic of the herpesviruses is
that:
a. They are cell-associated viruses.
b. They are enveloped RNA.
c. Human beings are the only known reservoir of
infection.
d. Both a and c
d. Both a and c
- Up to _________ of infants develop antibody to HHV-6
by 10 to 11 months of age.
a. 25%
b. 50%
c. 75%
d. 95%
c. 75%
- Varicella-zoster virus causes:
a. Chickenpox
b. Shingles
c. Measles
d. Both a and b
d. Both a and b
- Varicella-zoster virus can be reactivated in:
a. AIDS patients
b. Older adults
c. Immunocompromised persons
d. All of the above
d. All of the above
- Rapid preliminary diagnosis of varicella-zoster virus can
be done in the laboratory by:
a. Direct immunofluorescence
b. Viral isolation
c. ELISA method
d. Complement fixation
a. Direct immunofluorescence
- Histoplasmosis is caused by a:
a. Bacterium
b. Parasite
c. Fungus
d. Virus
c. Fungus
- Aspergillosis is:
a. An opportunistic organism
b. Caused by a parasite
c. A cause of skin infections
d. A relatively mild disease
a. An opportunistic organism
