Winged infusion sets are the same as sets

Which one of the following is considered an open head injury?

A) Laceration on the forehead B) Concussion C) Blow to the head that results in a hematoma of the scalp D) Fracture of the temporal area of the skull

A cleansing agent that is not toxic to living tissue is a(n) __________________________________________

Fill in the blank(s) with correct word