A concentration of 70% acid and 6% to 15% nitrogen oxides with a vapor pressure of 49 mmHg at 68 F results in a material called

Which substance is produced by the breakdown of hemoglobin and is not normally found in the urine?

A) Urobilinogen B) Nephrons C) Ketones D) Bilirubin

Which of the following are characteristics of absorbable sutures? 

A. They are made of gut and do not require removal after the wound has healed. B. They are used for the outside layer. C. They must be removed after wound healing is well under way. D. They are made of silk, nylon, or Dacron. E. They are inserted into the skin with a disposable staple unit.