How many classes of vitamins are there? a. 4b) 13c) 2d) 8

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

When the dental assistant is seated in the correct position is usually what

Compare and contrast direct and indirect pressure and list 3 examples for each