36. Which of the following positive antibody tests may be an indication of recen

Question

36. Which of the following positive antibody tests may be an indication of recent vaccination or early primary infection for rubella in a patient with no clinical symptoms? a. Only IgG antibodies positive b. Only IgM antibodies positive c. Both IgG and IgM antibodies positive d. Fourfold rise in titer for IgG antibodies 37. What does a minor crossmatch consist of? a. Recipient plasma and recipient red cells b. Recipient plasma and donor red cells c. Recipient red cells and donor plasma d. Donor plasma and donor red cells 38. What ABO types may donate to any other ABO type? a. A negative, B negative, AB negative, O negative b. O negative c. AB negative d. AB negative, A negative, B negative 39. What would be the result of group A blood given to an O patient? a. Nonimmune transfusion reaction b. Immediate hemolytic transfusion reaction c. Delayed hemolytic transfusion reaction d. Febrile nonhemolytic transfusion reaction 40. All of the following statements regarding FFP are true, except: a. FFP must be prepared within 24 hours of collection b. After thawing, FFP must be transfused within 24 hours c. Storage temperature for FFP with a 1-year shelf life is -18°C d. When thawed, FFP must be stored between 1°C-6°C 41. What is a special condition for the storage of platelets? a. Room temperature, 20°C-24°C b. No other components may be stored with platelets c. Platelets must be stored upright in separate containers d. Platelets require constant agitation at 20°C-24°C

Explanation / Answer

36.

C.Both IgG and IgM antibodies positive.

Only IgM positive means presence of any viral infection.

37.

C.Recipients cells and donors plasma ( actually its serum)

38.

b. O negative blood group. As it does not having any antigen in the RBC it can be given to any ABO group.

39.

b. Immediate hemolytic transfusion reaction.

Because in O blood group as they are having both antibodies A & B in the plasma when blood group A enters into body A antigen gets reaction with antibodies A&B. Leads to hemolysis.

40.

a. FFP must be prepared within 24 hours is not true related to FFP.

Because FFP must be prepared with in 8hours of collection of blood from donor.

41.

a. Room temperature, 20°C-24°C

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