What does the AT procedure detect
State the purpose of performing the weak D test? (1 mark)
2. What does the DAT procedure detect? (2 marks)
3. List four clinical conditions for which the DAT is useful? (1 mark)
4. What is the specimen of choice for the DAT? Explain your reasons for this
choice? (1 mark)
1. What does the AT procedure detect?
2. What is the purpose of performing the antibody screen test?
3. The following is the result of an antibody screen.
Interpret the results below and explain your answers,
A. What Ab class(es) were present in the patient’s serum? Explain your answer.
B. Explain why the result indicates that there are multiple antibody specificities in the
patient’s serum?
0 marki
C. Is there an autoantibody present in the patient’s serum? If so, which one? Explain
vour answer.
(1 mark)
These patients were admitted to th
e emergency room (ER) following a car
accident. An ABO/Rh
Tvping was ordered. The following results were obtained
Interpret each part of the ABO/Rh type separately in the table below?
2- Describe specifically what discrepancy (Dis) you have observed, i.e., forward is
Patients
3- What are the possible causes of ABO discrepancy in these cases in each patient?
How can vou resolve the problem?
1. State the purpose of performing the weak D test? (1 mark) 2. What does the DAT procedure detect? (2 marks) 3. List four clinical conditions for which the DAT is useful? (1 mark) 4. What is the specimen of choice for the DAT? Explain your reasons for this choice? (1 mark) 1. What does the IAT procedure detect? 2. What is the purpose of performing the antibody screen test? 3. The following is the result of an antibody screen. Screening Immediate 37 C Phase AHG Phase Check Cells Cells Spin Phase (IS) Vial I Vial II 3+ 24 3+ Patient’s cells (AC) Interpret the results below and explain your answers. A. What Ab class(es) were present in the patient’s serum? Explain your answer. B. Explain why the result indicates that there are multiple antibody specificities in the patient’s serum? (1 mark) C. Is there an autoantibody present in the patient’s serum? If so, which one? Explain your answer. (1 mark) These patients were admitted to the emergency room (ER) following a car accident. An ABO/Rh Typing was ordered. The following results were obtained on the ABO/Rh typing. Patients Forward type Reverse type Anti -A Anti -B Anti- D A cell B cell Patient 1 4 Patient 2 Patient 3 Patient 4 1- Interpret each part of the ABO/Rh type separately in the table below? 2- Describe specifically what discrepancy (Dis) you have observed, i.c., forward is accurate reverse is not, etc. 3-What are the possible causes of ABO discrepancy in these cases in each patient? How can you resolve the problem? Patients Forward Reverse Final 1-Discrepancy 2-Possible causes of 3-How to resolve the type type interpret you have ABO discrepancy problem result result -ation observed Gp and (Gp (Gp and +/-) and +/-) +/- or Dis) Patient 1 Patient 1 Patients Forwar Revers Final 1-Discrepancy 2-Possible causes of 3-How to resolve the d type e type interpret you have ABO discrepancy problem result result ation observed Gp and (Gp (Gp and and +/- +/-0 Dis) Patient 3 Patient 4
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