MLS 2210 Exam 4 (117 questions) with
verified answers
What temperature should samples be stored at if keeping long-term? -
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correct answer ✔1-6 C
n n n
How long should both donor/patient samples be stored? - correct answer
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✔Minimum of 7 days after transfusion which comes out to ten days total.
n n n n n n n n n n n n
When can you computer crossmatch? - correct answer ✔When no antibodies
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have been detected
n n n
What must intrauterine transfusions be compatible with? - correct answer
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✔Maternal antibodies n
What does hydrops fetalis do? - correct answer ✔Fetal erythropoesis
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expands liver/spleen. Causes portal hypertension and decreases albumin
n n n n n n n n
production.
Why does ascites from hydrops fetalis fatal? - correct answer ✔Reduces
n n n n n n n n n n n
plasma colloid osmotic pressure
n n n
What is the most common but least severe HDFN? - correct answer
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✔Mother is O and child is A/B
n n n n n n
, What is the most severe HDFN? - correct answer ✔Anti-K
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What antibodies are not implicated in HDFN? - correct answer ✔Le, I, P1
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What is the most effective IgG at causing hemolysis? - correct answer ✔IgG1
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What is kernicterus? - correct answer ✔Too much unconjugated bilirubin
n n n n n n n n n
What is RhIg? - correct answer ✔Anti-D coated RBCs
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Fetal Rosette Test - correct answer ✔Detects FMH in rosette's under
n n n n n n n n n n n
microscope. Maternal anti-D test
n n n
Kleihauer-Betke test - correct answer ✔Determined amount of fetal blood in
n n n n n n n n n n n
maternal circulation if large fetomaternal transfusion is suspected
n n n n n n n
What maternal weight should be used if unknown? - correct answer ✔5000
n n n n n n n n n n n n
mL
RhIg calculation - correct answer ✔(# fetal cells x maternal blood
n n n n n n n n n n n
volume)/2000 = total FMH/30 n n n
What is the threshold for critical maternal titer? - correct answer ✔8
n n n n n n n n n n n
verified answers
What temperature should samples be stored at if keeping long-term? -
n n n n n n n n n n n
correct answer ✔1-6 C
n n n
How long should both donor/patient samples be stored? - correct answer
n n n n n n n n n n n
✔Minimum of 7 days after transfusion which comes out to ten days total.
n n n n n n n n n n n n
When can you computer crossmatch? - correct answer ✔When no antibodies
n n n n n n n n n n
have been detected
n n n
What must intrauterine transfusions be compatible with? - correct answer
n n n n n n n n n n
✔Maternal antibodies n
What does hydrops fetalis do? - correct answer ✔Fetal erythropoesis
n n n n n n n n n n
expands liver/spleen. Causes portal hypertension and decreases albumin
n n n n n n n n
production.
Why does ascites from hydrops fetalis fatal? - correct answer ✔Reduces
n n n n n n n n n n n
plasma colloid osmotic pressure
n n n
What is the most common but least severe HDFN? - correct answer
n n n n n n n n n n n n
✔Mother is O and child is A/B
n n n n n n
, What is the most severe HDFN? - correct answer ✔Anti-K
n n n n n n n n n
What antibodies are not implicated in HDFN? - correct answer ✔Le, I, P1
n n n n n n n n n n n n
What is the most effective IgG at causing hemolysis? - correct answer ✔IgG1
n n n n n n n n n n n n
What is kernicterus? - correct answer ✔Too much unconjugated bilirubin
n n n n n n n n n
What is RhIg? - correct answer ✔Anti-D coated RBCs
n n n n n n n n
Fetal Rosette Test - correct answer ✔Detects FMH in rosette's under
n n n n n n n n n n n
microscope. Maternal anti-D test
n n n
Kleihauer-Betke test - correct answer ✔Determined amount of fetal blood in
n n n n n n n n n n n
maternal circulation if large fetomaternal transfusion is suspected
n n n n n n n
What maternal weight should be used if unknown? - correct answer ✔5000
n n n n n n n n n n n n
mL
RhIg calculation - correct answer ✔(# fetal cells x maternal blood
n n n n n n n n n n n
volume)/2000 = total FMH/30 n n n
What is the threshold for critical maternal titer? - correct answer ✔8
n n n n n n n n n n n
