IMMU 101 WT2
What is the major immunologic defense mechanism against bacteria? - Answer-Lysosomes and
Phagocytosis
What is the major immunologic defense mechanism against viruses? - Answer-Interferon. A
group of cytokines that interferes with viral replication in the cells by another virus.
What is the primary test for Cryptococcosis and what is the specimen of choice? - Answer-Latex
agglutination, CSF
What tests are in the TORCH panel? - Answer-Toxoplama gondii, other, rubella, CMV, Herpes
what are the different fungal diseases? - Answer-Histoplasmosis, aspergillosis, coccidiomycosis,
blastomycosis, sporotrichosis, cryptococcosis
Parasites can avoid being phagocytized because of: - Answer-their ability to migrate away from
an inflamed area
Factors that can influence exposure, or actual development of an infectious disease include what?
- Answer-immune status of an individual
pathogenicity of the microbial agent
appropriate portal of entry
Members of the S. pyogenes species are almost always _____-hemolytic. - Answer-Beta
What is the most common cause of pharyngitis? - Answer-Strep pyogenes
what is the specimen of choice in detection and diagnosis of S. pyogenes? - Answer-Nasal or
throat specimens
What are two serious conditions that can develop after a S. pyogenes infection? - Answer-
rheumatic fever and glomerulonephritis
What serological test can be performed to detect a S. pyogenes infection? - Answer-ASO and
Anti DNaseB
elevated titers of antistreptolysin O or anti-DNase B indicate what? - Answer-S. pyogenes
The nontreponemal antibody produced by syphilis-infected patients can also be produced by
patients with? - Answer-leprosy, tuberculosis, leptospirosis, and malaria
Before clinical or serologic manifestations, the incubation period for syphilis usually lasts -
Answer-3 weeks
, What is the causative agent of Lyme disease? - Answer-Borrelia burgdorferi
What is considered the gold standard for identification of Babesia? - Answer-Think and thin
blood smear
What is the preferred diagnostic method for West Nile Virus? - Answer-RT PCR
RPR and VDRL detect what substance - Answer-Reagin
to visualize a treponeme using a microscope, what type of microscopy must be performed -
Answer-Darkfield microscopy
if you have sex with a person with a chancre, what are your chances of contracting the disease? -
Answer-30-50%
A false positive reaction is least likely to occur with which syphilis test? - Answer-FTA-ABS;
because its the most specific
Borrelia Burgdorferi causes what disease? - Answer-Lyme disease
what factor is considered when diagnosing Lyme disease? - Answer-clinical findings, history of
exposure, ELISA, western blot antibody response
What is the specimen of choice for detecting tertiary neuro phase of syphilis? - Answer-CSF
What are the main clinical symptoms of Lyme disease? - Answer-Flu-like symptoms and
erythema migrans (EM)
Type I Hypersensitivity reactions are characterized by? - Answer-can be fatal and antigen cross
link with IgE on mast cell
IgE hypersensitivity from allergies
Cell mediated Hypersensitivity is responsible for what? (Type IV) - Answer-neoantigen
elimination
an allergy is associated with this - Answer-IgE antibody
What is one of the most widely available assays for antibody in Lyme disease? - Answer-ELISA
for IgG and IgM
what population is usually infected with Babesia? - Answer-older people
All of the following are true concerning basesia EXCEPT:
a. can be transmitted through blood transfusion
b. is a rare potentially fatal rick borne illness
c. it infects younger people
What is the major immunologic defense mechanism against bacteria? - Answer-Lysosomes and
Phagocytosis
What is the major immunologic defense mechanism against viruses? - Answer-Interferon. A
group of cytokines that interferes with viral replication in the cells by another virus.
What is the primary test for Cryptococcosis and what is the specimen of choice? - Answer-Latex
agglutination, CSF
What tests are in the TORCH panel? - Answer-Toxoplama gondii, other, rubella, CMV, Herpes
what are the different fungal diseases? - Answer-Histoplasmosis, aspergillosis, coccidiomycosis,
blastomycosis, sporotrichosis, cryptococcosis
Parasites can avoid being phagocytized because of: - Answer-their ability to migrate away from
an inflamed area
Factors that can influence exposure, or actual development of an infectious disease include what?
- Answer-immune status of an individual
pathogenicity of the microbial agent
appropriate portal of entry
Members of the S. pyogenes species are almost always _____-hemolytic. - Answer-Beta
What is the most common cause of pharyngitis? - Answer-Strep pyogenes
what is the specimen of choice in detection and diagnosis of S. pyogenes? - Answer-Nasal or
throat specimens
What are two serious conditions that can develop after a S. pyogenes infection? - Answer-
rheumatic fever and glomerulonephritis
What serological test can be performed to detect a S. pyogenes infection? - Answer-ASO and
Anti DNaseB
elevated titers of antistreptolysin O or anti-DNase B indicate what? - Answer-S. pyogenes
The nontreponemal antibody produced by syphilis-infected patients can also be produced by
patients with? - Answer-leprosy, tuberculosis, leptospirosis, and malaria
Before clinical or serologic manifestations, the incubation period for syphilis usually lasts -
Answer-3 weeks
, What is the causative agent of Lyme disease? - Answer-Borrelia burgdorferi
What is considered the gold standard for identification of Babesia? - Answer-Think and thin
blood smear
What is the preferred diagnostic method for West Nile Virus? - Answer-RT PCR
RPR and VDRL detect what substance - Answer-Reagin
to visualize a treponeme using a microscope, what type of microscopy must be performed -
Answer-Darkfield microscopy
if you have sex with a person with a chancre, what are your chances of contracting the disease? -
Answer-30-50%
A false positive reaction is least likely to occur with which syphilis test? - Answer-FTA-ABS;
because its the most specific
Borrelia Burgdorferi causes what disease? - Answer-Lyme disease
what factor is considered when diagnosing Lyme disease? - Answer-clinical findings, history of
exposure, ELISA, western blot antibody response
What is the specimen of choice for detecting tertiary neuro phase of syphilis? - Answer-CSF
What are the main clinical symptoms of Lyme disease? - Answer-Flu-like symptoms and
erythema migrans (EM)
Type I Hypersensitivity reactions are characterized by? - Answer-can be fatal and antigen cross
link with IgE on mast cell
IgE hypersensitivity from allergies
Cell mediated Hypersensitivity is responsible for what? (Type IV) - Answer-neoantigen
elimination
an allergy is associated with this - Answer-IgE antibody
What is one of the most widely available assays for antibody in Lyme disease? - Answer-ELISA
for IgG and IgM
what population is usually infected with Babesia? - Answer-older people
All of the following are true concerning basesia EXCEPT:
a. can be transmitted through blood transfusion
b. is a rare potentially fatal rick borne illness
c. it infects younger people
