Which phase of the laboratory process involves performing a chemical assay on a serum specimen?

When 100% oxygen is breathed for a long period of time, which of the following may develop?

A) hypoxia B) oxygen toxicity C) anoxia D) None of these answers are correct.

A/an _______ midline incision is used to enter the abdomen for an exploratory laparotomy

Fill in the blank(s) with correct word