Cerebrospinal fluid is manufactured in the __________ of the brain and serves to ______________.
A) subdural space, prevent infection
B) cortex, protect the brain from injury
C) ventricles, cushion and protect the brain
D) subarachnoid space, oxygenate the brain
Answer: C) ventricles, cushion and protect the brain
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Choleretics:
a. decreases bile secretion b. includes bile salts which are the most potent c. includes NE d. is another term for bilirubin e. none of the above
Lowered extracellular K+ levels will lower the heart rate because
A. ectopic action potentials occur. B. the resting membrane potential is hyperpolarized. C. it blocks Ca2+ channels. D. action potential amplitude declines. E. more Na+ channels open.
Dangerously low blood pressure that results from infection is ________ shock.
A. septic B. anaphylactic C. cardiogenic D. neurogenic
Just anterior to the sternocleidomastoid about midway along its length you can palpate this artery
A) external carotid B) facial C) maxillary D) mandibular