To regulate the amount of heme produced, what enzyme must be regulated?

Which condition occurs when the body is exposed to high levels of cortisol for long periods of time?

A) Cushing's syndrome B) Addison's disease C) Cretinism D) Graves' disease

What are three elements of successful trauma care that field practitioners can use which will ultimately translate into greater rates of survival?

A) Teamwork, timing, and transport B) Physiological determinants, anatomic criteria, and mechanism of injury C) Lights, sirens, and diesel D) Ground ambulances, air helicopters, and trauma centers