Quizes Flashcards
All of the following characteristics are descriptive of M protein except:
No known biological role
Found in association with the hyaluronic capsule
Inhibits phagocytosis
Antibody against M protein provides type-specific immunity
No known biological role
The classic tests to demonstrate the presence of streptococcal infection are:
ASO and anti-NADase
ASO and anti-DNase B
Anti-NADase and anti-DNase
Both a and b
ASO and anti-DNase B
EBV can cause all of the following except:
Infectious mononucleosis
Burkitt lymphoma
Nasopharyngeal carcinoma
Neoplasms of the bone marrow
Neoplasms of the bone marrow
The incubation period of infectious mononucleosis is:
2 to 4 days
10 to 15 days
10 to 50 days
51 to 91 days
10 to 50 days
Lyme disease is a _________ type of infection.
Bacterial
Parasitic
Viral
Fungal
Bacterial
Unlike some procedure, the PCR assay can be used to detect Lyme disease causing organisms in:
Urine
CSF
Synovial fluid
Blood
Synovial fluid
One of the most common physical findings in adults with ehrlichiosis is:
Hives
Fever
Erythema chronicum migrans
Nausea
Fever
Babesiosis is characterized by:
Fever
Fatigue
Hemolytic anemia
All of the above
All of the above
West Nile virus causes:
Encephalitis
Polio
Measles
Arthritis
Encephalitis
This type of vaccine is the closest to exposure to natural infection:
Inactivated
Live, attenuated
DNA
Nucleic acid
Live, attenuated
This virus often superinfects with hepatitis B
HAV
HDV
HEV
HCV
HDV
Hepatitis refers to inflammation of the:
Spleen
Gallbladder
Pancreas
Liver
Liver
Anthrax vaccine:
Offers protection against bioterrorism
Offers protection against cervical cancer
Is not available for preventing congenital infection
Is a DNA based vaccine
Offers protection against bioterrorism
The Center for Biologics Evaluation and Research (CBER) regulates:
Laboratory safety
Vaccine products
Personnel qualifications
Research grants
Vaccine products
Serologic procedures for the diagnosis of recent infection should include:
Only an acute specimen
Only a convalescent specimen
Acute and convalescent specimens
Acute, convalescent, and 6 month post infection specimen
Acute and convalescent specimens
Toxoplasmosis is a ___________ infection.
Parasitic
Bacterial
Mycotic
Viral
Parasitic
Before the licensing of rubella vaccine in the U.S. in 1969, epidemics occurred at _____ year intervals.
2 to 3
5 to 7
6 to 9
10 to 20
6 to 9
IgG antibodies to rubella virus increase rapidly for _______ days after the acquisition of the infection.
2 to 8
3-10
5 to 15
7 to 21
7 to 21
A characteristic of CMV immediate-early antigen is:
They appear 72 hours after infection or at the end of the viral replication cycle
They appear within 1 hour of cellular infection
They are present within 24 hours
Either a or c
They appear within 1 hour of cellular infection
A distinguishing characteristic of the herpes virus is that:
They are cell-associated viruses
They are enveloped RNA
Human beings are the only known reservoir of infection
Both a and c
Both a and c
Up to _______ of infants develop antibody to HHV-6 by 10-11 months of age.
25%
50%
75%
90%
75%
Immunocompetent patients infected with T. pallidum produce:
Specific antibodies against T. pallidum
Nonspecific antibodies against the protein antigen group common to pathogenic spirochetes
Reagin antibodies
All of the above
All of the above
Syphilis was initially treated with:
Fuller’s earth
Heavy metals (e.g., arsenic)
Sulfonamides (e.g., triple sulfa)
Antibiotics (e.g., penicillin)
Heavy metals (e.g., arsenic)
The RPR test is:
Treponemal method
Nontreponemal method
Nontreponemal method
