BLOOD BANK EXAM 1 COMPREHENSIVE TEST
PAPER QUESTIONS AND SOLUTIONS
◉ isotonic reagent that cells have to be SUSPENDED IN.
Answer: physiological saline (0.85%)
◉ what net charge do RBC have (+ and -).
Answer: negative net charge
◉ zeta potential.
Answer: difference between electrostatic potential between RBC's
surface and ionic cloud
◉ prozone.
Answer: excess Ab
◉ postzone.
Answer: excess Ag
◉ serum:cell ratio.
Answer: 2:1 (2 drops of serum, 1 drop of cell suspension)
, ◉ reagent LISS stands for.
Answer: lower ionic strength solution
◉ zygosity.
Answer: dosage of an allele
◉ stronger agglutination when homozygous or heterozygous?.
Answer: homozygous
◉ amorphic.
Answer: silent allele
◉ most blood groups are (dominant, recessive, or codominant).
Answer: codominant
◉ gene positioning: Cis.
Answer: 2 genes on the same side of the chromosome (inherited by
one parent)
◉ gene positioning: Trans.
PAPER QUESTIONS AND SOLUTIONS
◉ isotonic reagent that cells have to be SUSPENDED IN.
Answer: physiological saline (0.85%)
◉ what net charge do RBC have (+ and -).
Answer: negative net charge
◉ zeta potential.
Answer: difference between electrostatic potential between RBC's
surface and ionic cloud
◉ prozone.
Answer: excess Ab
◉ postzone.
Answer: excess Ag
◉ serum:cell ratio.
Answer: 2:1 (2 drops of serum, 1 drop of cell suspension)
, ◉ reagent LISS stands for.
Answer: lower ionic strength solution
◉ zygosity.
Answer: dosage of an allele
◉ stronger agglutination when homozygous or heterozygous?.
Answer: homozygous
◉ amorphic.
Answer: silent allele
◉ most blood groups are (dominant, recessive, or codominant).
Answer: codominant
◉ gene positioning: Cis.
Answer: 2 genes on the same side of the chromosome (inherited by
one parent)
◉ gene positioning: Trans.
