Which tool is used to prepare the canal for a post?

________ is trauma to a muscle from excessive stretching or pulling

a. Strain b. Sprain c. Fracture d. Splint

Why are household teaspoons and tablespoons inaccurate forms of measurement?

A. due to discrepancies in size B. because they are not metric C. because of what they are made of D. due to changes in household measurements