The Most Bothersome Contaminating Materials for the Laboratory Professional Are

Multiple Choice

The most bothersome contaminating materials for the laboratory professional are those that

A) make it hard to see the pathogenic bacteria through all the mucus.
B) contain microorganisms that will grow in culture and confuse the culture evaluation.
C) make processing the specimen through digestion and straining extremely time consuming.
D) appear to resemble fungus on the direct smear.