SCRIPT 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ 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