Brilliant green is used as the stain of choice for Heinz body preparation because of:
a. Its sensitivity for detecting small amounts of Heinz bodies present
b. Its specificity for differentiating Heinz bodies from other inclusions
c. Its ease of use and minimal teratogenic effects on the personnel utilizing it
d. The fact that it keeps the cells alive to accurately visualize it
Question 2
Which of the following represents a potential pre-examination error?
a. Reading the test result before the timer expires
b. Observing a turbid solution and reporting the result as negative
c. Performing the test on a sample from a recently transfused patient
d. Using the reagent solution immediately after it is removed from the refrigerator