Question Manuel Flashcards
(18 cards)
Which is not included on a properly labeled specimen?
A) two unique patient identifiers
B) date and time of draw
C) phlebotomist’s initials
D) patients home adress
D) patients home adress
How many days before pre transfusion specimen expires?
A) 3 days
B) 7 days
C) 17 days
D) 1 month
A) 3 days
How many days must pretransfusion specimen and donor unit segment be retained post-transfusion
A) 3 days
B) 7 days
C) 14 days
D) 1 month
B) 7 days
If a blood type cannot be resolved, what ABO group should be slescted for red blood cell transfusion?
A) groupe A
B) groupe B
C) groupe O
D) groupe AB
C) groupe O
Which antibody specificity is not required in antibody detection tests?
A) K
B) Cw
C) Fya
D) S
B) Cw
A patient has a history of anti-Jka. The antibody screen is currently negative. Which red blood cell unit should be selected, and what type of cross match should be performed.
A) Jk (a-) red blood cells, computer cross match
B) Jk (a-) red blood cells, antiglobulin cross match
C) Jk (a-) red blood cells, immediate spin cross match
D) ABO-compatible because antibody screen is negative
B) Jk (a-) red blood cells, antiglobulin cross match
Which is not true of rouleaux formation?
A) mimics agglutination
B) appears like a stacking of coins
C) can be seen in the antiglobulin test
D) can be despersed by saline
C) can be seen in the antiglobulin test
A patient’s blood type is AB-negative, but there are no AB-negative red blood cell units. What unit could you give them
A) A-negative
B) O-positive
C) B-positive
D) all the above
A) A-négative
A patient requires 15 units of thawed plasma for an aphérèse procedure. The patients blood type is O-negative. What donor units could be selected?
A) O-negative
B) AB-positive
C) A-negative
D) all the above
D) all the above
The American college of surgeons recommends transfusion of red blood cells, thawed plasma, and platelets in what ratio?
A) 2 GR for every unit of platelets
B) 1 unit RBC to 1 unit thawed plasma and 1 unit platelets
C) 1 unit RBC to 3 units thawed plasma
D) its a emergency. Give the surgeon whatever she wants
B) 1 unit RBC to 1 unit thawed plasma and 1 unit platelets
A patients antibody screen was positive and an anti-c was identified. Antiglobulin crossmatch were performed with c-negative units and 1 of the 6 units was incompatible. What should be performed to resolve the incompatibility?
A) give O-negative red blood cells
B) retype the incompatible unit for the c antigen
C) preform a TDA on the incompatible unit
D) perform additional identification testing to include low-specificity antigens
E) B,C and D
E) B,C and D
A mother, 30 weeks pregnant, has anti-K with a titre of 32. An intrauterine RBC transfusion is inducted. What type of unit should NOT be given
A) O-negative
B) K-negative
C) positive for stickling hemoglobin
D) irradiated
C) positive for stickling hemoglobin
A patient with sickle cell disease is B-positive with a positive antibody screen. The antibody identified is a Anti-D, and the autocontrol is negative. What is a possible explanation
A) the patient is weak anti-D
B) autoantibody is present
C) patient possesses the partiel D phenotype
D) the patient has positive TDA
C) patient possesses the partiel D phenotype
Which of the following information is not required for whole blood donation?
A) name
B) adresse
C) transfusion history
D) Sex
E) date of birth
C) transfusion history
Which of the following would be cause for deferral for a male donor?
A) temperature of 99,2 F°
B) hematocrit 37%
C) spent two weeks in United Kingdom in 1998
D) weighs 80 kg
E) received a blood transfusion 2 yrs ago
B) hematocrit 37%
Which of the following would be cause for a permanent deferral?
A) received a dura mater graft 9 months ago
B) received hep B immun globin
C) is currently on warfarin
D) diagnosis of babesfosis
E) traveled to Senegal 2 years ago
A) received a dura mater graft 9 months ago
Which of the following lists the correct shelf life for the component?
A) deglycerolized RBCs- 24h
B) RBCs (CPD)- 35 days
C) platelet concentrate-10 days
D) FFP- 5 yrs
E) RBC (CPDA-1)-21 days
A) deglycerolized RBCs- 24h
The required storage temperature for frozen RBC using the high-glycerol method is:
A) 4°C
B) -20°C
C) -120°C
D) -18°C
E) -65°C
E) -65°C
