17.
If blood is drawn to the "0.5" mark on a WBC diluting pipet, and diluting fluid to the
"11" mark, what is the WBC count of the patient if the average of two chamber
counts is 198?
a. 3,960 WBCs per cu mm.
b. 9,900 WBCs per cu mm.
c.
9,984 WBCs per cu mm.
d. 10,540 WBCs per cu mm.
18.
What is the maximum allowable error rate when using the four large
hemacytometer squares in the WBC count?
a. 10 percent.
b. 15 percent.
c.
20 percent.
d. 25 percent.
19.
What is the maximum allowable error rate for the manual WBC count when 8
square areas are employed?
a. 10 percent.
b. 15 percent.
c.
20 percent.
d. 25 percent.
MD0853
5-23