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Question 1

AHG TEST

preferred preparation of RBC suspension of the patient’s red cell in Coomb’s test.

Answer 1

3-5% RBC SUSPENSION

Question 2

AHG TEST

specimen that may cause in-vitro complement attachment

Answer 2

REFRIGERATED AND CLOTTED SPECIMENS

Question 3

AHG TEST

the quality control of the AHG reagent (2)

Answer 3

• REAGENT MUST BE STORED AT 2-8 C
• REAGENT MUST NOT BE USED BEYOND THE EXPIRY DATE

Question 4

AHG TEST

2 conditions that is diagnosed using DAT

Answer 4

• HEMOLYTIC DISEASE OF THE NEWBORN
• AUTOIMMUNE HEMOLYTIC ANEMIA
• HEMOLYTIC TRANSFUSION REACTION

Question 5

AHG TEST

2 in-vitro reactions using IAT

Answer 5

• ANTIBODY DETECTION
• BLOOD GROUPING

not sure pa!

Question 6

CROSSMATCHING

why is fresh serum may be used in minor and major crossmatching?

Answer 6

TO ASSURE THE PRESENCE OF ADEQUATE COMPLEMENT AND CALCIUM

Question 7

CROSSMATCHING

why is minor crossmatching not commonly done in the lab these days?

Answer 7

DUE TO THE PERFORMANCE OF ANTIBODY SCREENING AND ANTIBODY IDENTIFICATION IN THE LABORATORY

Question 8

CROSSMATCHING

what will be the results if plasma is used in crossmatching?

Answer 8

COMPLEMENT-DEPENDENT ANTIBODIES MAY NOT BE DETECTED

Question 9

CROSSMATCHING

what to observe in crossmatching?

Answer 9

PRESENCE OF AGGLUTINATION OR HEMOLYSIS

Question 10

CROSSMATCHING

3 phases in minor crossmatching

Answer 10

• immediate spin | saline phase
• thermal phase | protein phase
• AHG phase