For single-fuel fires, smoke color cannot indicate the type of material burning.

If a legal case is brought against you, your best defense in court is usually:

A) the dispatch log. B) your immediate recollection of events. C) a complete and accurate PCR. D) your partner's corroborating testimony.

The following group of patients should not be advised to fast before surgery due to their, often, poor nutritional status

A) Diabetics B) Medically compromised patients C) Chronic alcoholics D) All of these