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Category: Emergency Medicine--->Haematological and Oncological Emergencies
Page: 1

Question 1# Print Question

A 31-year-old male requires an emergency blood transfusion.

Which ONE of the following statements is TRUE?

A. O negative blood must be given if crossmatching can’t be performed
B. O positive blood can safely be given in this scenario
C. Uncross-matched O positive blood should not be given in this case due to the higher risk of acute haemolytic reaction compared with O negative blood
D. Type-specific blood takes approximately 20 minutes


Question 2# Print Question

Regarding a multi-trauma patient with critical bleeding requiring a massive blood transfusion, which ONE of the following statements is TRUE?

A. Administration of recombinant activated factor VII (rFVIIa) for critical bleeding in trauma patients significantly improves morbidity, mortality and lowers transfusion rates
B. Administration of packed red blood cells (PRBC) and fresh frozen plasma (FFP) in a ratio of 1:4 is recommended during massive transfusion
C. Platelets should only be transfused if count falls <50 × 109 /L
D. Administration of tranexamic acid (TXA) early after injury reduces the risk of death from bleeding


Question 3# Print Question

A 35-year-old female receives a blood transfusion in the emergency department (ED) for symptomatic chronic anaemia. A full cross-match was performed prior to administration. One hour into the transfusion the nurse informs you that the patient has developed a fever of 38.3°C. She is otherwise well with normal vital signs.

Which ONE of the following is TRUE?

A. The transfusion should be stopped immediately and blood samples sent to the lab for investigation of transfusion reaction
B. Transfusion should be continued at a slower rate if the patient is otherwise well with normal vital signs
C. The temperature is unlikely due to a transfusion reaction because the blood was fully cross-matched
D. The transfusion should be stopped and if the fever settles and the patient remains well, it can be restarted


Question 4# Print Question

Regarding anticoagulation therapy with warfarin, which ONE of the following statements is TRUE?

A. Age is not a risk factor for over-coagulation
B. The two available brands of warfarin, Coumadin and Marevan, are bioequivalent and interchangeable
C. About 50% of bleeding episodes occur while the international normalized ratio (INR) is <4.0
D. Unfractionated or low molecular weight heparin should always be given concurrently until the INR is therapeutic


Question 5# Print Question

A 60-year-old male is referred by his general practitioner (GP) with an INR of >10. He has no active bleeding. He is on warfarin for atrial fibrillation.

Which ONE of the following is the MOST appropriate action?

A. He should receive FFP, prothrombinex and 5–10 mg vitamin K intravenously
B. He should be given 5 mg of the intravenous preparation of vitamin K orally
C. He should be admitted and observed with daily INR testing
D. Vitamin K 5–10 mg should be given intravenously




Category: Emergency Medicine--->Haematological and Oncological Emergencies
Page: 1 of 4