In order to maintain a minimum suitable cerebral perfusion pressure in a severely head-injured patient, you must maintain a systolic blood pressure of ____ mmHg

Which of the following is the legal term for an advance directive that specifies an individual's end-of-life wishes for medical treatment without necessarily appointing a designee to make legal decisions for him or her?

A. Durable power of attorney B. Patient self-determination C. Health care proxy D. Living will E. Instructive directive at end of life

Which component of the conduction system is located between the ventricles? 

A. SA node B. AV node C. bundle of His D. Purkinje fibers