Besides protecting your body from invasion, the integumentary system also helps to regulate body temperature

Cells responsible for generating the physical contraction of the heart muscle are the:

A) specialized pacemaker cells B) myocardial working cells C) Both are responsible. D) None are responsible.

Provisions of the medical practice act include all of the following, EXCEPT:

A) assigning medical directors to EMS systems. B) defining minimum qualifications of the paramedic. C) establishing a means of certification for the paramedic. D) defining the skills that the paramedic legally can perform.