Blood Banking Questions
1.
The interval between blood donation is
a.
6 weeks
b.
8 weeks
c.
10 weeks
d.
3 months
2.
The oral temperature of a donor must not exceed
a.
37C
b.
37.5C
c.
98.6F
d.
98F
3.
The minimum acceptable hemoglobin for male donors is
a.
12.5 g/dl
b.
13.0 g/dl
c.
13.5 g/dl
d.
4.0 g/dl
4.
What is the lowest acceptable hematocrit for female donors
a.
36%
b.
38%
c.
41%
d.
43%
5.
Prospective donors who have malaria should be
a.
Permanently rejected
b.
Deferred for three years after cessation of treatment
c.
Deferred for two years after cessation of treatment
d.
Deferred for six months
6.
Symnptom-free donors who have been immunized with oral polio, measles (rubeola) or mumps
vaccines are acceptable after a period of
a.
24 hours
b.
2 days
c.
2 weeks
d.
24 days
7.
An autologous bfdsflood donor must
a.
Be over 21 years old
b.
Be treated for bacterecimia
c.
Have at least an 11g/dl hemoglobin
d.
Be on oral iron therapy
8.
Which biochemical change does not occur in stored blood?
a.
Plasma pH decreases
b.
Plasma K decreases (it increases) constant leakage of potassium from the cells into
the surrounding plasma along a concentration gradient = Na K ATPase pump failure
c.
Plasma NH3 increases (due contamination and deterioration of blood components)
collection & re-infusion of patient's own blood opposite: homologous
increase in anaerobic metabolism of the red cells during storage and results in
accumulation of lactate with the resulting drop in pH
ammonia
