Valid blood counts cannot be made when:
a. Capillary specimens are not taken from a free-flowing sample.
b. When capillary specimens are obtained from cyanotic or calloused areas.
a and b.
d. When sources vary as much as 150 to 1550 cells per cu mm from the real
Venous samples are preferred over capillary samples because they:
a. Allow for several and repeated hematological examinations.
b. Provide a sufficient amount of blood to perform the various laboratory tests
Provide for less chance of error because operations are made under better
conditions and repeated operations are possible.
d. a, b, and c.
Which blood count method would be performed if blood from extensive burn
victims was needed?
b. Capillary (micro quantitative).
d. Both methods.