What is the root operation for revision of right hip replacement?

Extended contraction of a muscle triggers:

a. the muscle spindle fibers and causes the muscle to further tighten b. the muscle spindle fibers and causes the muscle to relax c. the Golgi tendon organs and causes the muscle to further tighten d. the Golgi tendon organs and causes the muscle to relax

The respiratory therapist is providing patient education for a patient who is being discharged home on aerosol therapy. The most important reason for the patient to follow the recommended cleaning procedures using a vinegar/water solution is that this solution will

A. sterilize the equipment. B. retard bacterial growth. C. kill all micro-organisms and spores. D. extend the equipment life.