____ is a chronic disease that is thought to have genetic, psychosocial, and environmental influences.

Pegvisomant is a(n):

A) Dopamine agonist. B) Anabolic steroid. C) GH receptor blocker. D) Estrogen-replacement therapy.

Which of the following is NOT considered a principle of proper radio usage in EMS?

A) Make sure the radio is on before speaking. B) Use plain English. C) Speak as quickly as possible. D) Speak with your lips 2 to 3 inches from the microphone.