It is generally considered safe to remove self-contained breathing apparatus during overhaul as the fire has been extinguished

________ is when a cell membrane cannot respond normally to further stimulation

A) The refractory period B) Threshold C) Repolarization D) Action potential

What compensatory mechanism will the body use to maintain a normal blood pressure in early hypovolemic shock?

A. Decreased heart rate B. Vasoconstriction of arterioles C. Shift fluid from the interstitial to cellular spaces D. Increased production of RBCs from bone marrow