question
A throat culture that is positive for Streptococcus pyogenes would show what on a blood agar plate?
A) no growth on a blood agar plate.
B) Beta-hemolysis
C) Gamma-hemolysis
D) Alpha-hemolysis
A) no growth on a blood agar plate.
B) Beta-hemolysis
C) Gamma-hemolysis
D) Alpha-hemolysis
answer
B) Beta-hemolysis
question
which of the following is a routine screen for tuberculosis
A) skin test using purified protein derivative (PPD)
B) acid fast staining of a sputum sample
C) BCG vaccine
D) transcription-mediated amplification of mycobaterial rRNA
A) skin test using purified protein derivative (PPD)
B) acid fast staining of a sputum sample
C) BCG vaccine
D) transcription-mediated amplification of mycobaterial rRNA
answer
A) skin test using purified protein derivative (PPD)
question
Which of the following Sexually-transmitted pathogens can often be diagnosed by detecting antibodies against
A) treponema pallidum
B) chlamydia trachomatis
C) neisseria gonorrheae
D) human papillomavirus
A) treponema pallidum
B) chlamydia trachomatis
C) neisseria gonorrheae
D) human papillomavirus
answer
A) treponema pallidum
question
which of the following is refers to the damage that viruses can do to cultured cells
A) hemabsorption
B) bactericidal activity
C) histology
D)cytopahic effect (CPE)
A) hemabsorption
B) bactericidal activity
C) histology
D)cytopahic effect (CPE)
answer
D)cytopahic effect (CPE)
question
Which of the following type of bacteria have the thickest cell wall?
A) mycoplasma
B) fungi
C) gram positive
D) gram negative
A) mycoplasma
B) fungi
C) gram positive
D) gram negative
answer
C) gram positive
question
which staining technique is specific for mycobaterium species
A) india ink stain
B) gram stain
C) crystal violet stain
D) acid-fast stain
A) india ink stain
B) gram stain
C) crystal violet stain
D) acid-fast stain
answer
D) acid-fast stain
question
what is the preferred and most sensitive test for diagnosis of gonorrhea or chlamydia?
A) direct fluorescent antibody staining
B) gram stain of smears
C) nucleic acid amplification tests
D) ELISA
A) direct fluorescent antibody staining
B) gram stain of smears
C) nucleic acid amplification tests
D) ELISA
answer
C) nucleic acid amplification tests
question
Most home tests for sexually transmitted diseases fall into what category?
A) gram stain
B) fluorescent antibody binding
C) DNA probe hybridization
D) immunochromatographic
A) gram stain
B) fluorescent antibody binding
C) DNA probe hybridization
D) immunochromatographic
answer
D) immunochromatographic
question
which of the following type of bacteria have an outer membrane composed of lipopolysaccharide (LPS)?
A) gram positive
B) mycobacterium
C) gram negative
D) mycoplasma
A) gram positive
B) mycobacterium
C) gram negative
D) mycoplasma
answer
C) gram negative
question
Anti-neutrophil cytoplasmic antibodies (ANCA) are typically associated with
A) graves disease
B) vascular inflammation
C) SLE
D) Rheumatoid arthritis
A) graves disease
B) vascular inflammation
C) SLE
D) Rheumatoid arthritis
answer
B) vascular inflammation
question
Acute Phase Proteins are an indicator of
A) SLE
B) inflammation
C) rheumatoid arthritis
D) psoriasis
A) SLE
B) inflammation
C) rheumatoid arthritis
D) psoriasis
answer
B) inflammation
question
how are anti-neutrophil cytoplasmic antibodies (ANCA) detected?
A) immunofluorescent antibody staining of fixed neutrophils
B) measuring complement binding to neutrophils
C) all of these
D) agglutination test
A) immunofluorescent antibody staining of fixed neutrophils
B) measuring complement binding to neutrophils
C) all of these
D) agglutination test
answer
A) immunofluorescent antibody staining of fixed neutrophils
question
what test can be used to identify rheumatoid factors?
A) all of these
B) quantitative ELISA
C) nephelometry test
D) agglutination test
A) all of these
B) quantitative ELISA
C) nephelometry test
D) agglutination test
answer
A) all of these
question
compliment can recognize targets via which of the following ways?
A) all of these
B) binding directly to the pathogen surface via LPS
C) lectins bound to surface of pathogens
D) IgG bound to any cell surface
A) all of these
B) binding directly to the pathogen surface via LPS
C) lectins bound to surface of pathogens
D) IgG bound to any cell surface
answer
A) all of these
question
Rheumatoid factors are
A) cyclic citrullinated proteins
B) reagins
C) antibodies against the Fc portion of IgG
D) acute phase proteins
A) cyclic citrullinated proteins
B) reagins
C) antibodies against the Fc portion of IgG
D) acute phase proteins
answer
C) antibodies against the Fc portion of IgG
question
Which of the follow refers to the damage that viruses can do to cultured cells?
A. Hemabsorption
B. Bacteriocidal activity
C. Histology
D. Cytopathic Effect (CPE)
A. Hemabsorption
B. Bacteriocidal activity
C. Histology
D. Cytopathic Effect (CPE)
answer
D) Cytopathic Effect (CPE)
question
Which of the following is the fastest direct test for mycobacterium tuberculosis?
A. Transcription-mediated amplification of mycobacterial rRNA
B. Acid fast staining of sputum sample
C. BCG vaccine
D. Skin test using purified protein derivative
A. Transcription-mediated amplification of mycobacterial rRNA
B. Acid fast staining of sputum sample
C. BCG vaccine
D. Skin test using purified protein derivative
answer
A. Transcription-mediated amplification of mycobacterial rRNA
question
A selective bacterial growth medium works by...
A. Allowing one or a few types of bacteria to grow
B. Allowing lots of different microbes to grow except for a few types
C. Permitting lots different bacteria to grow, but with some looking different
A. Allowing one or a few types of bacteria to grow
B. Allowing lots of different microbes to grow except for a few types
C. Permitting lots different bacteria to grow, but with some looking different
answer
A) Allowing one or a few types of bacteria to grow
question
Which antibody type can be detected first during a viral infection?
A. IgA
B. IgE
C. IgG
D. IgM
A. IgA
B. IgE
C. IgG
D. IgM
answer
D) IgM
question
A differential bacteria growth medium works by...
answer
- Using special indications that say something about the biochemistry of the microorganism
- Permitting lots of different bacteria to grow, but with some looking different.
- Permitting lots of different bacteria to grow, but with some looking different.
question
The complement cascade does this...
A. Prevents formation of immune complexes
B. Causes SLE
C. Generates a membrane attack complex to lyse cells
D. Directs antibody binding to target cells
A. Prevents formation of immune complexes
B. Causes SLE
C. Generates a membrane attack complex to lyse cells
D. Directs antibody binding to target cells
answer
C. Generates a membrane attack complex to lyse cells
question
Which of the following would not be a target for Rheumatoid arthritis treatment?
A. Complement
B. RF
C. IL-1
D. TNF-alpha
A. Complement
B. RF
C. IL-1
D. TNF-alpha
answer
A. Complement
question
An adult Rheumatoid arthritis treatment that is "biological" would be...
A. An analgesic
B. Humira (an mAb)
C. Tylenol (NSAID)
D. All of these
A. An analgesic
B. Humira (an mAb)
C. Tylenol (NSAID)
D. All of these
answer
B. Humira
question
Antinuclear antibodies are best used as an indicator of what?
A. Psoriasis
B. Adaptive immunity
C. SLE
D. Adult RA
A. Psoriasis
B. Adaptive immunity
C. SLE
D. Adult RA
answer
C. SLE
question
The rapid home test for possible HIV infection is what type of assay?
A. Western blot
B. Immunochromatographic
C. Nucleic acid amplification test
D. ELIS
A. Western blot
B. Immunochromatographic
C. Nucleic acid amplification test
D. ELIS
answer
B. Immunochromatographic
question
Which of the following is th easiest way to test for resistance of a pathogen to multiple antibiotics?
A. MBC broth test
B. Epsilometer test (E-test)
C. MIC broth test
D. All of the above
A. MBC broth test
B. Epsilometer test (E-test)
C. MIC broth test
D. All of the above
answer
B. Epsilometer test (E-test)
question
Which of the following body tissues would be expected to be sterile?
A. Genitourinary tract
B. Skin
C. Lungs
D. Upper respiratory tract
A. Genitourinary tract
B. Skin
C. Lungs
D. Upper respiratory tract
answer
C. Lungs
question
Which of the following is used to monitor disease progression during HIV infection?
A. ELISA
B. Real Time PCR
C. Cytopathic effect (CPE)
D. Western blot
A. ELISA
B. Real Time PCR
C. Cytopathic effect (CPE)
D. Western blot
answer
B. Real Time PCR
question
The best indicator of a bacterial infection would be...
A. The presence of antibodies in the blood
B. An increased blood white cell count
C. Diarrhea
D. A positive culture of bacteria in a blood sample
A. The presence of antibodies in the blood
B. An increased blood white cell count
C. Diarrhea
D. A positive culture of bacteria in a blood sample
answer
B. an increase white blood cell count
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