Which of the Following Is a Reason for False-Negative Pap

Multiple Choice

Which of the following is a reason for false-negative Pap smear results?

A) Epithelial cells hidden by blood or mucus
B) Too few cells left on the spatula
C) Too few cells piled on top of one another on the slide
D) No extraneous material on the slide
E) Absence of blood on the slide