Breathing N2O directly from pressurized tanks can cause frostbite to noses, lips, and intraoral tissues

What is the principle of impedance? Name at least two instruments that employ this method for blood cell counting

What will be an ideal response?

If a mentally competent adult refuses emergency medical treatment, your FIRST action should be to:

A) call medical control and seek further guidance. B) determine if his or her condition is life-threatening. C) assume the refusal is from fear and begin treatment. D) try to determine why he or she is refusing treatment.