Solutions, tinctures, and emulsions are all ____________________________________________ forms of drugs

Constipation involves _________ bowel movements per week at least 25 percent of the time

a. fewer than six b. four to five c. three to four d. two or fewer

What serious condition can happen to someone with a vitamin B12 deficiency?

a. Rickets b. Spina bifida c. Glossitis d. Irreversible nerve damage