27.
For the Wintrobe-Landsberg method, to determine the ESR fill the Wintrobe tube
to the ___________ mark while holding it at _________ angle.
a. 0, 30 degrees.
b. 0, 45 degrees.
c.
5, 10 degrees.
d. 10,50 degrees.
If the tube is at a 30 variation from vertical this is a source of error and will
28.
accelerate the ESR by _________________ percent.
a. 30 percent.
b. 30 percent.
c.
40 percent.
d. 50 percent.
29.
When using the modified Westergren method, whole blood is diluted with
_________ percent sodium chloride and mixed for _________ minutes.
a. 0.85 percent, 2.
b. 0.90 percent, 3.
c.
0.95 percent, 4.
d. 0.80 percent, 2.
30.
Using the modified Westergren method, what is the normal value ESR for
children?
a. 0-15 mm per hour.
b. 0-20 mm per hour.
c.
0-10 mm per hour.
d. 0-25 mm per hour.
MD0853
6-24