The difference in temperature between the environment and the body is known as the:

How often should the incident commander give a brief progress report via radio?

A) Every 10 minutes until the incident is stabilized B) Whenever possible C) Every 5 minutes until triage is complete D) Only if asked for an update by communications

As the mass of a vibrating body increases,

A) frequency of vibration increases. B) frequency remains unchanged. C) frequency of vibration decreases. D) none of the above.