Prehospital treatment of the patient with a traumatic brain injury must focus primarily on:

A) maintaining cerebral perfusion pressure.
B) hyperventilating the patient at 20 breaths/min.
C) maintaining a systolic blood pressure of at least 120 mm Hg.
D) taking measures to decrease intracranial pressure.


Answer: A) maintaining cerebral perfusion pressure.

Anatomy & Physiology

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______________________ is the reproductive strategy of all Pacific salmon that breed only once and die shortly after

Fill in the blank with the correct word.

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What will be an ideal response?

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Action potentials pass from one cardiac muscle cell to another through areas of low electrical resistance called

A. sarcolemma sclerotic plaques. B. gap junctions. C. tight junctions. D. electromagnetic discs. E. fibrous heart rings.

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Inspiratory muscles act to ________ thoracic volume, whereas expiratory muscles act to ________ thoracic volume

A) increase; decrease B) increase; maintain C) decrease; increase D) maintain; decrease

Anatomy & Physiology