MLS BLUE AND GOLD EXAM (IMB 401) QUESTIONS WITH
ANSWERS #14
An antibody screen gave no reactions at immediate spin or 37C, but showed a 2+
reaction when antiglobulin reagent was added. The most likely antibody causing these
results would be anti - correct answer Jka
The following reactions were obtained on testing maternal serum and infant cord cells.
Maternal sample O neg *D weak test - mixed field D control neg ABS neg
Infant cord cells A pos DAT neg
The most likely explanation for these results is a/an - correct answer fetal-maternal
hemorrhage
A 24 year old A neg female was transfused with approx 65 cc of an A pos RBC unit.
How many vials of Rh immune globulin should this woman receive? - correct answer 5
A pat - correct answer ie
A group AB patient needs blood but ABO identical is unavailable. Which alternative
groups may be used? - correct answer A, B, O
A specimen is tested for antibodies to varicella resulting in a titer of 320. Two weeks
later another specimen is drawn from the patient and the resulting titer is 640. A third
test is done on a specimen drawn 4 weeks after the first specimen and the titer is 320.
What is the disease state of the patient? - correct answer antibody levels are increased
but titer indicate a past infection with chicken pox
An immunofluorescence procedure is performed to test for specific antibodies to epstein
barr virus. The following antibodies were found
Anti-VCA anti-EA anti-EBNA
How would these results be interpreted? - correct answer past infection
ANA fluorescent techniques were performed and a speckled pattern appeared with a
titer of 640. What would you do next? - correct answer test for extractable nuclear
antibodies
Multiple homogenous narrow bands are present in the gamma zone on electrophoresis
of a patient's CSF on agarous gel. Immunofixation indicates that the bands are primarily
igg. This may indicate which of the following diseases - correct answer multiple
sclerosis
The best method for screen cerebrospinal fluid for syphilis is - correct answer VDRL
A patient suspected of having syphilis had various tests performed with the following
results
Rapid plasma reagin RPR reactive
ANSWERS #14
An antibody screen gave no reactions at immediate spin or 37C, but showed a 2+
reaction when antiglobulin reagent was added. The most likely antibody causing these
results would be anti - correct answer Jka
The following reactions were obtained on testing maternal serum and infant cord cells.
Maternal sample O neg *D weak test - mixed field D control neg ABS neg
Infant cord cells A pos DAT neg
The most likely explanation for these results is a/an - correct answer fetal-maternal
hemorrhage
A 24 year old A neg female was transfused with approx 65 cc of an A pos RBC unit.
How many vials of Rh immune globulin should this woman receive? - correct answer 5
A pat - correct answer ie
A group AB patient needs blood but ABO identical is unavailable. Which alternative
groups may be used? - correct answer A, B, O
A specimen is tested for antibodies to varicella resulting in a titer of 320. Two weeks
later another specimen is drawn from the patient and the resulting titer is 640. A third
test is done on a specimen drawn 4 weeks after the first specimen and the titer is 320.
What is the disease state of the patient? - correct answer antibody levels are increased
but titer indicate a past infection with chicken pox
An immunofluorescence procedure is performed to test for specific antibodies to epstein
barr virus. The following antibodies were found
Anti-VCA anti-EA anti-EBNA
How would these results be interpreted? - correct answer past infection
ANA fluorescent techniques were performed and a speckled pattern appeared with a
titer of 640. What would you do next? - correct answer test for extractable nuclear
antibodies
Multiple homogenous narrow bands are present in the gamma zone on electrophoresis
of a patient's CSF on agarous gel. Immunofixation indicates that the bands are primarily
igg. This may indicate which of the following diseases - correct answer multiple
sclerosis
The best method for screen cerebrospinal fluid for syphilis is - correct answer VDRL
A patient suspected of having syphilis had various tests performed with the following
results
Rapid plasma reagin RPR reactive
