MLS 260: Clinical Immunohematology Exam
(100% CORRECT ANSWERS)
A weakly reactive anti-D is detected in a postpartum serum specimen from an Rh-negative
woman. During her prenatal period, all antibody screening tests were negative. These findings
indicate:
a need for further investigation to determine candidacy for Rh immune globulin
Transfusion of Ch+ (Chido-positive) red cells to a patient with anti-Ch has been reported to
cause:
no clinically significant red cell destruction
A first-time blood donor is noticed to experience rapid breathing and involuntary twitching of
his fingers shortly after starting phlebotomy. The phiebotomist should:
have him rebreathe air from a paper bag
The most important step in the safe administration of blood is to:
accurately identify the donor unit and intended recipient
In a paternity case, the child has a genetic marker that is absent in the mother and ca nnot be
demonstrated in the alleged father. What type of paternity exclusion is this known as?
direct (first order)
, Which of the following measures should be employed if a donor experiences perioral
paresthesia during an apheresis procedure?
reduce flow rate
Fever and chills are symptoms of which of the following transfusion reactions?
febrile
In which of the following situations would the phthalate ester separation technique be most
useful?
recently transfused patient with multiple alloantibodies
A fetomaternal hemorrhage of 35 mL of fetal Rh-positive packed RBCs has been detected in an
Rh-negative woman. How many vials of Rh immune globulin should be given?
3
Which of the following antigens is MOST likely to be involved in hemolytic disease of the
newborn?
Kell
The Liley method of predicting the severity of hemolytic disease of the newborn is based on the
amniotic fluid:
change in optical density measured at 450 nm
(100% CORRECT ANSWERS)
A weakly reactive anti-D is detected in a postpartum serum specimen from an Rh-negative
woman. During her prenatal period, all antibody screening tests were negative. These findings
indicate:
a need for further investigation to determine candidacy for Rh immune globulin
Transfusion of Ch+ (Chido-positive) red cells to a patient with anti-Ch has been reported to
cause:
no clinically significant red cell destruction
A first-time blood donor is noticed to experience rapid breathing and involuntary twitching of
his fingers shortly after starting phlebotomy. The phiebotomist should:
have him rebreathe air from a paper bag
The most important step in the safe administration of blood is to:
accurately identify the donor unit and intended recipient
In a paternity case, the child has a genetic marker that is absent in the mother and ca nnot be
demonstrated in the alleged father. What type of paternity exclusion is this known as?
direct (first order)
, Which of the following measures should be employed if a donor experiences perioral
paresthesia during an apheresis procedure?
reduce flow rate
Fever and chills are symptoms of which of the following transfusion reactions?
febrile
In which of the following situations would the phthalate ester separation technique be most
useful?
recently transfused patient with multiple alloantibodies
A fetomaternal hemorrhage of 35 mL of fetal Rh-positive packed RBCs has been detected in an
Rh-negative woman. How many vials of Rh immune globulin should be given?
3
Which of the following antigens is MOST likely to be involved in hemolytic disease of the
newborn?
Kell
The Liley method of predicting the severity of hemolytic disease of the newborn is based on the
amniotic fluid:
change in optical density measured at 450 nm