PHCH 667 FINAL EXAM QUESTIONS
AND CORRECT ANSWERS
which staining technique is specific for mycobacterium species?
A. crystal violet stain
B. gram stain
C. india ink stain
D. acid-fast stain ✅✅ANSW-D. acid-fast stain
Most home tests for sexually-transmitted diseases fall into what category?
A. Gram stain
B. Fluorescent antibody binding
C. Immunochromatographic
D. DNA probe hybridization ✅✅ANSW-C. immunochromatographic
which of the following is used to monitor disease progression during HIV infection?
A. western blot
B. ELISA
C. cytopathic effect (CPE)
D. real time PCR ✅✅ANSW-D. Real time PCR
Which antibody type can be detected first during a viral infection?
A. IgG
B. IgE
C. IgA
D. IgM ✅✅ANSW-D. IgM
The rapid home test for possible HIV infection is what type of essay?
A. Western Blot
, B. ELISA
C. immunochromatographic
D. nucleic acid amplification test ✅✅ANSW-C. immunochromatographic
A selective bacterial growth medium works by
A. allowing only one or a few types of bacteria to grow
B. permitting lots of different bacteria to grow, but with some looking different
C. allowing lots of different microbes to grow except for a few types ✅✅ANSW-A. allowing only
one or a few types of bacteria to grow
what is the preferred and most sensitive test for gonorrhea or chlamydia?
A. Nucleic acid amplification tests
B. direct fluorescent antibody staining
C. gram stain of smears
D. ELISA ✅✅ANSW-A. nucleic acid amplification tests
which of the following body tissues would be expected to be sterile?
A. upper respiratory tract
B. genitourinary tract
C. lungs
D. skin ✅✅ANSW-C. lungs
which of the following would be the fastest direct test for Mycobacterium tuberculosis?
A. acid fast staining of sputum sample
B. BCG Vaccine
C. skin test using purified protein derivative (PPD)
D. transcription-mediated amplification of mycobacterium rRNA ✅✅ANSW-C. skin test using
purified protein derivative (PPD)
which of the following type of bacteria have the thickest cell wall?
A. gram positive
B. gram negative
AND CORRECT ANSWERS
which staining technique is specific for mycobacterium species?
A. crystal violet stain
B. gram stain
C. india ink stain
D. acid-fast stain ✅✅ANSW-D. acid-fast stain
Most home tests for sexually-transmitted diseases fall into what category?
A. Gram stain
B. Fluorescent antibody binding
C. Immunochromatographic
D. DNA probe hybridization ✅✅ANSW-C. immunochromatographic
which of the following is used to monitor disease progression during HIV infection?
A. western blot
B. ELISA
C. cytopathic effect (CPE)
D. real time PCR ✅✅ANSW-D. Real time PCR
Which antibody type can be detected first during a viral infection?
A. IgG
B. IgE
C. IgA
D. IgM ✅✅ANSW-D. IgM
The rapid home test for possible HIV infection is what type of essay?
A. Western Blot
, B. ELISA
C. immunochromatographic
D. nucleic acid amplification test ✅✅ANSW-C. immunochromatographic
A selective bacterial growth medium works by
A. allowing only one or a few types of bacteria to grow
B. permitting lots of different bacteria to grow, but with some looking different
C. allowing lots of different microbes to grow except for a few types ✅✅ANSW-A. allowing only
one or a few types of bacteria to grow
what is the preferred and most sensitive test for gonorrhea or chlamydia?
A. Nucleic acid amplification tests
B. direct fluorescent antibody staining
C. gram stain of smears
D. ELISA ✅✅ANSW-A. nucleic acid amplification tests
which of the following body tissues would be expected to be sterile?
A. upper respiratory tract
B. genitourinary tract
C. lungs
D. skin ✅✅ANSW-C. lungs
which of the following would be the fastest direct test for Mycobacterium tuberculosis?
A. acid fast staining of sputum sample
B. BCG Vaccine
C. skin test using purified protein derivative (PPD)
D. transcription-mediated amplification of mycobacterium rRNA ✅✅ANSW-C. skin test using
purified protein derivative (PPD)
which of the following type of bacteria have the thickest cell wall?
A. gram positive
B. gram negative
