The antigens of the Kell system are found on a ________ that passes through the red blood cell membrane

A patient has had part of his right thumb amputated in an industrial accident. Coworkers have retrieved the thumb and wrapped it in a towel. The AEMT demonstrates appropriate handling of the amputated part when he:

A) keeps the thumb warm during transport. B) places the thumb in sterile saline. C) places the thumb in ice water. D) wraps it in a dry sterile dressing.

Which of the following drugs is used in the treatment of xerostomia in dental patients?

a. acetylcholine b. carbachol c. pilocarpine d. nicotine