Which of the following bone grafts/bone substitutes is considered to be a "bone filler" and not osteogenic?

SBS has the lowest incidence when ventilation is managed through:

a. natural ventilation b. mechanical ventilation c. heating, ventilation and air conditioning systems (HVAC) d. b and c

A beveled needle is cut at a slant and ________.

A. inserted into the vein facing down B. allows blood to flow easily C. penetrates the vein easily with minimal damage D. inhibits valves from closing when inserted