Which of the following is a factor that could cause the formation of a gingival abscess?

You should classify injured or ill people into one of how many categories if using the START triage system?

A) Four B) Five C) Six D) Three

What gas or gas mixture does a patient breathe when the body plethysmography method is used?

A. He-O2 mixture B. 100% O2 C. room air D. 100% N2