Introduction of other diagnostic substance into upper GI, via natural opening endoscopic

A/an ________ is a sore on the lining of the stomach

Fill in the blank with correct word.

The medical practice wants to update their employees on some new privacy regulations, and the employees can listen to or view the file on their computer or mobile device. Which type of electronic technology would they utilize?

A. Blogs B. Podcasts C. Voice conferencing D. Video conferencing