HBsAg TEST Flashcards

1
Q

Principle

A

Immunochromatographic Assay

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2
Q

The membrane strip of the test device is pre-coated with_______ on the______ region.

A

mouse monoclonal anti-HBs

test (T) band

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3
Q

The__________ and the specimen move along on the membrane
_______to the _____ region and forms a visible line as the antibody-antigen-antibody gold particle complex forms.

A

mouse monoclonal anti-HBs-colloid gold conjugate

chromatographically

test region (T)

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4
Q

• The test strip also contains_______, which moves across the membrane and reaches the ________region.

A

chicken IgY conjugate gold colloid

control (C) band region

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5
Q

In the control band region, the________ interacts with immobilized_______, leading to the appearance of a______-colored band.

This serves as a control for the proper functioning of the test, ensuring that enough volume of the specimen was added, and that the reagents used in the test are functioning correctly.

A

chicken IgY conjugate

mouse monoclonal Chicken IgY antibodies

purple

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6
Q

Specimen:

A

Plasma or Serum

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7
Q

Storage:
• If not tested immediately, samples should be refrigerated at_____

• For storage longer than 3 days, freezing (_____) is recommended.
Samples should be brought to ______prior to use.

A

2-8°C

-20°C

15-30°C

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8
Q

Reagents:

A

Bioline HBsAg test kit

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9
Q

Procedure:
1. Ensure all components of the kit and the specimen are at_____ temperature before proceeding
2. Take the test device out of the foil pouch and place it on a dry surface .
3. Label the test device with the patient’s name.
4. Add____ of the specimen into the sample well.
5. As the test commences, you will observe a____ color moving across the result window in the center of the test device.
6. Interpret the test results precisely at_____ minutes.

A

room

100 uL

purple

20

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10
Q

Interpretation of Results

: The presence of only one band (“C” band) within the results window.

A

Negative

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11
Q

: The presence of two color bands (“T” and “C” band) within the results window no matter which band appear first indicates a positive result.

A

Positive

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12
Q

: After performing the test and no purple color band (“C” band) is visible within the results window.

A

Invalid

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