Small, painful nodules located in tight muscles are known as what?

A consumer product that destroys living tissue such as skin or eyes by chemical action defines a

a. Corrosive substance b. Caustic substance c. Corrosive material d. Acidic substance

In order for a do not resuscitate (DNR) order to be valid, it must:

A. be dated within the previous 24 months. B. clearly state the patient's medical problem. C. be updated a minimum of every 6 months. D. be signed by the local justice of the peace.