___________________ occurs when the force of a trauma breaks open small blood vessels beneath the skin,resulting results in black and blue bruising

Code 38505 for an open biopsy of the lymph nodes

A) True B) False

How does nitroglycerin decrease the level of chest pain that a patient experiences?

A) It constricts the blood vessels, forcing the toxic lactic acid out of the heart. B) It constricts the blood vessels, forcing more blood into the heart muscle. C) It dilates the blood vessels, allowing more blood flow to wash away the toxic lactic acid. D) It dilates the blood vessels, allowing more blood to enter the heart muscle.