In the brain, the cerebral perfusion pressure is dependent on the ____.
A. mean venous pressure
B. mean arterial pressure
C. absolute venous pressure
D. absolute arterial pressure
Answer: B
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Assuming all of the following patients have experienced significant blood loss and are hypotensive, in which would the use of PASG be absolutely contraindicated?
A) A 19-year-old woman with an unstable pelvis after being thrown from a horse B) A 35-year-old pregnant woman with bilateral femur fractures sustained in a head-on motor vehicle collision C) A 16-year-old male with massive blood loss from a severed popliteal artery as a result of being struck by a piece of metal debris ejected by a lawn mower D) A 31-year-old man with a stab wound between his thoracic vertebral column and right scapula
The 2016 edition of NFPA 1901 includes a new chapter on?
A) Ultra-high pressure fire pumps B) Anti-lock brakes C) Rehabilitation of older fire apparatus D) On-spot chains
The ______ model HMO contracts with an established medical group for the provision of health care services instead of individual clinicians.
Fill in the blank(s) with the appropriate word(s).
During a generalized tonic/clonic seizure, the patient is rigid and his back is arched. This represents the _________ phase of the seizure.
A) tonic B) clonic C) hypertonic D) postictal