A water-soluble vitamin that is essential for the formation of collagen and gums is known as ____________________

Arteries ________ because of the high pumping pressure they receive from the heart

a. stiffen b. make a hissing sound c. expand d. pulsate

Which of the following are often referred to as high-strength bases?

a. Glass ionomers b. Zinc phosphate c. Polycarboxylate d. All of the above