ASCP EXAM PREP QUESTIONS AND
ANSWERS FULL SOLUTION STUDY SHEET
●● HCT
Answer: measures packed cell vol in %
●● HCT sources of error
Answer: failure to seal tube
uneven clay plug
wrong centrifuge time/speed
excess EDTA (RBC shrinkage)
●● HCT range
Answer: Male: 42-52%
Female: 37-47%
●● Red Cell
Answer:
●● Red Cell range
Answer: female 3.8-5.2x10^6
male 4.5-6.1x10^6
, ●● Red Cell Function
Answer: O2 transport to tissue
CO2 removal from tissue
●● MCV (mean corpuscular volume)
Answer: 80-100 fL
●● MCV formula
Answer: (Hct/RBC) x 10
●● MCV indications
Answer: <80 microcytes
>100 macrocytes
●● MCH (mean corpuscular hemoglobin)
Answer: 27 -31 pg/cell
●● MCH formula
Answer: Hgb/RBC x 10
●● MCHC (mean corpuscular hemoglobin concentration)
ANSWERS FULL SOLUTION STUDY SHEET
●● HCT
Answer: measures packed cell vol in %
●● HCT sources of error
Answer: failure to seal tube
uneven clay plug
wrong centrifuge time/speed
excess EDTA (RBC shrinkage)
●● HCT range
Answer: Male: 42-52%
Female: 37-47%
●● Red Cell
Answer:
●● Red Cell range
Answer: female 3.8-5.2x10^6
male 4.5-6.1x10^6
, ●● Red Cell Function
Answer: O2 transport to tissue
CO2 removal from tissue
●● MCV (mean corpuscular volume)
Answer: 80-100 fL
●● MCV formula
Answer: (Hct/RBC) x 10
●● MCV indications
Answer: <80 microcytes
>100 macrocytes
●● MCH (mean corpuscular hemoglobin)
Answer: 27 -31 pg/cell
●● MCH formula
Answer: Hgb/RBC x 10
●● MCHC (mean corpuscular hemoglobin concentration)