In myringotomy procedures, what does "PE" stand for?

A patient has difficult veins, and a winged infusion set is used to collect the blood from a small vein in the patient's hand. After successfully filling all the SST tubes, the phlebotomist proceeds to fill the light blue-top tube but is unsuccessful

She changes tubes, thinking that it might be a tube with a lost vacuum, but there is still no blood flow. She inspects the entry site and notices some bruising around it that was not present before. Discuss possibilities of the unsuccessful draw, and explain how to correct them. What will be an ideal response?

Public relations planning should commence during which stage?

A) Assessment B) Planning C) Dental hygiene diagnosis D) Evaluation E) Implementation