A respiratory therapist is working in a 69-bed rural hospital with limited resources. In order to disinfect a re)usable plastic mouthpiece used for pulmonary function testing, the respiratory therapist should
A. soak in Cidex for 10 hours.
B. soak in 60% alcohol for 10 hours.
C. send for steam autoclave.
D. soak in Sonacide for 30 minutes.