Knowledge Check
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A normal RBC count is around:
a
4-6 million per L
b
4-6 billion per L
c
4-6 trillion/L
d
4-6 thousand/L
For every WBC there are about:
a
10 RBCs
b
100 RBCs
c
1,000 RBCs
d
Million RBCs
Which of the following is/are true:
a
Hb is a fractional volume, Hct is reported as weight/volume
b
Hct is a fractional volume, Hb is reported as weight/volume
c
The Hb and Hct are interchangeable
d
The Hb is a measure of blood viscosity, the Hct of oxygen carrying capacity
e
The Hct is a measure of blood viscosity, the Hb of oxygen carrying capacity
True or false: the RBC count is an accurate marker of oxygen carrying capacity of blood.
a
True
b
False






Which of the following statements(s) is/are correct:
a
The patient’s total WBC count is around 25,000/mm
b
The patient’s total WBC count is around 15,000/mm
c
The patient has a left shift
d
The differential is manual
e
The differential is automated
What parameter is more helpful clinically?
a
MCH
b
MCHC









A patient has a platelet count 1 million/mm; what value do we need to know to calculate platelet-crit?
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