________ (also called pacemaker cells) are specialized cells that not only create an electrical impulse but also create these impulses at a regular interval

Combinations of receptors that are wrapped around muscle fibers and transmit a message to the brain whenever that muscle is stretched are called a:

a. Muscle fiber b. Muscle sarcomere c. Muscle spindle d. Muscle golgi

You are teaching a group of EMTs about multiple-casualty incidents and the Incident Command System (ICS). Which one of the following statements about ICS is true?

A) Each EMS agency can use its own codes and terms. B) There is a separate commander for EMS, fire, and law enforcement. C) Each individual responder is accountable to two supervisors. D) Plain English is used for all communications.