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mazdacx7 mazdacx7
wrote...
Posts: 7
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10 years ago
Hi Guys i need help with these activity
Thank you...

Which patient(s) tested positive for HIV?
    patient B
    patient A
    patient C
    patients B and C



Possible reasons for an indeterminate test include _______.
    recent HIV infection of the patient
    failure of the washing steps to remove nonspecific binding of antibody and antigen
    the presence of only small amounts of HIV antibody in the patient sample
    all of the above


What result(s) would you expect if you had forgotten to add the developing buffer?
    a "false positive" for the negative control
    a "false positive" for the negative control and all of the patient samples would read negative
    a "false negative" for the positive control
    a "false negative" for the positive control and all of the patient samples would read negative
    All of the patient samples would read negative.


Why might a patient infected with HIV initially test negative with the indirect ELISA?
    The virus has gone dormant.
    The patient has not yet undergone seroconversion.
    The washing steps were eliminated.
    Nonspecific binding between antigen and antibody was present.

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duddyduddy
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Posts: 7825
10 years ago
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- Master of Science in Biology
- Bachelor of Science

Related Topics

wrote...
10 years ago
Which patient(s) tested positive for HIV?
patient C

Possible reasons for an indeterminate test include _______.
    all of the above

What result(s) would you expect if you had forgotten to add the developing buffer?
 a "false negative" for the positive control and all of the patient samples would read negative

Why might a patient infected with HIV initially test negative with the indirect ELISA?
 The patient has not yet undergone seroconversion.
wrote...
Staff Member
10 years ago
I guess we both agree.
- Master of Science in Biology
- Bachelor of Science
mazdacx7 Author
wrote...
10 years ago
I'm sorry,
Thanks a lot thou,
wrote...
Staff Member
10 years ago
No stress.
- Master of Science in Biology
- Bachelor of Science
wrote...
3 years ago
Thank You
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