How many suture ligatures or free ties should the surgical technologist have prepared for ligation of the renal artery and vein prior to transsection and removal?

According to Darby and Walsh if a dental hygienist sees his or her practice as scientific based, uses prevention strategy, and functions as a co-therapist, he or she is operating according to what conceptual model?

A) Occupational B) Professional C) Scientific D) Research

Which of the following statements about a disinfectant is true? 

A. The disinfectant solution is more potent after several uses. B. Items should be placed in the disinfectant bath wet. C. Soap should be used in the sanitization process. D. Evaporation can alter the chemical makeup of the solution. E. Disinfectants are used on human tissues as anti-infection agents.