Ch 6 RPR & Mono Flashcards

(50 cards)

1
Q

Rapid Plasma Reagin is a ________ test for serologic detection of the antibody Reagin

A

non-treponemal

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2
Q

Reagin is a phospholipid produced in patients infected with

A

Treponema pallidum

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3
Q

Causative agent of syphilis and acts like an antigen

A

Treponema pallidum

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4
Q

Reagin is found in the _____ of patients with syphilis

A

plasma/serum

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5
Q

Vehicle or antigen

A

Carbon charcoal particle

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6
Q

Reactive result

A

Flocculation

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7
Q

FTA-ABS

A

Fluorescent treponemal antibody-absorbed test

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8
Q

Confirmatory test for RPR

A

FTA-ABS

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9
Q

FTA-ABS

Fixed to a slide and patient’s serum is added

A

Dead T. pallidum

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10
Q

FTA-ABS

Ultraviolet microscope is used, Positive result

A

Fluoresce

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11
Q

RPR

Tube top color used for serum

A

Red/SST

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12
Q

RPR

Tube top color for plasma

A

Purple

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13
Q

After centrifugation, serum should be:

A

Clear and non-hemolyzed

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14
Q

RPR Card Test kit

A

RPR Card antigen suspension

Plastic disposable bottle

20 Gauge, galvanized needles, blunt

Test cards

Pipettes/stirrers

Test Controls

1 mL TB Syringe

Distilled water

Mechanical rotator

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15
Q

RPR

Mix the antigen by:

A

Shaking vigorously for 10-15 seconds

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16
Q

RPR

Dispense number of drops

A

1 drop

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17
Q

RPR

Number of drops for the antigen to each specimen

A

1

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18
Q

RPR test card should be on rotator for:

A

8 minutes at 100 rpm

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19
Q

RPR

Read the reaction time after:

A

8 minutes on rotator

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20
Q

Helps differentiate non-reactive from weakly reactive results

A

Tilting the card by hand (3 to 4 to-and-fro motion)

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21
Q

Read macroscopically under:

A

high intensity lamp or strong daylight

22
Q

RPR

Report results as:

A

Reactive or Non-reactive

23
Q

Reactive RPR tests shows flocculation ranging from:

A

Slight but definite

Minimum to moderate

Marked and intense

24
Q

RPR tests must be confirmed with:

25
How often are controls ran with each batch of Rapid Plasma Reagin tests?
Always
26
Ensures the accuracy and reliability of test results
Quality Control
27
Quality Control starts with:
Proper collection and handling of specimen Assaying control reagents Checking instrument performance
28
Two sections of Quality Control
Equipment quality control Reagent quality control
29
Calibration of the mechanical rotator
100 rpm
30
Calibration of the antigen needle
60 drops per 1 mL
31
Controls used in RPR
Reactive Weak-reactive Non-reactive
32
Control reagents are treated as patients and ran every time an:
Unknown sample is tested
33
Mononucleosis is caused by
Epstein-Barr virus
34
Mono is typically seen in:
Young adults and children <5 years old
35
Symptoms of mono
Fever Malaise Lethargy Sore throat w/ exudates Enlarged lymph nodes of neck Mild hepatitis Enlarged spleen Blotchy skin rash
36
Causes the formation of heterophile antibody
Increased and abnormal forms of lymphocytes and monocytes
37
An antibody that is structurally similar to the antibody that is specifically produced as a response to antigen stimulation
Heterophile antibody
38
Mono blood samples used
Serum or plasma
39
Monospot Latex Test Kit
Latex Reagent suspension Pipettes/stirrers Test Slides Positive and Negative Control
40
Used to sediment cellular elements
Centrifuge
41
Mono Test the specimen within 24 hours of blood collection if stored:
2-8 degrees Celsius
42
Allow the Latex Reagent and controls to reach:
Room Temperature (20 to 30 degrees C)
43
Shake the Latex Reagent:
Gently
44
Add ___ of Latex Reagent next to the drop of sample
1 drop
45
Mono Gently rotate the slide ___ minutes manually
3
46
Mono Use a rotatory shaker set at:
60-100 rpm
47
Mono: Look for the presence of:
Agglutination
48
Mono Report results as either:
Positive or Negative
49
Mono A negative result with demonstrate:
Smooth, homogenous solution with no agglutination
50
Number of controls for monospot
2 Positive and Negative