When is Direct Coombs test done?Autoimmune haemolytic anaemiaDrug induced red cells sensitizationTo detect anti-DAll of the aboveExplanation:2. What is the possible conclusion for a positive control with observed agglutination in Anti-human globulin testing?Repeat the testCorrectly performed the test When the patient does have the disease and the result is not within the reference rangeAll of the aboveExplanation:3. Which of the following is an accurate course of action for an Indirect Antiglobulin test?Incubate all the three tubes for one hour at 37°CIn the tube labelled as ‘T’, add two drops of Anti-A serumAdd one drop of 5 % isotonic saline suspension of the pooled ‘O’ Rho (D) positive cells in eachAll of the aboveExplanation:4. Which of the following scenario resulted in a false positive outcome?5 % suspension in isotonic salineTransfusion of Rh-positive bloodDrug induced red cells sensitizationOver centrifugation Explanation:Explanation:5. What are the proper requirements for performing a comb test?Anti-D serumCentrifugeAntihuman serumAll of the aboveExplanation

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11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

When is Direct Coombs test done?
- Autoimmune haemolytic anaemia
- Drug induced red cells sensitization
- To detect anti-D
- All of the above

Explanation:

2. What is the possible conclusion for a positive control with observed agglutination in Anti-human globulin testing?

- Repeat the test
- Correctly performed the test
- When the patient does have the disease and the result is not within the reference range
- All of the above

Explanation:

3. Which of the following is an accurate course of action for an Indirect Antiglobulin test?

- Incubate all the three tubes for one hour at 37°C
- In the tube labelled as ‘T’, add two drops of Anti-A serum
- Add one drop of 5 % isotonic saline suspension of the pooled ‘O’ Rho (D) positive cells in each
- All of the above

Explanation:

4. Which of the following scenario resulted in a false positive outcome?