The cochlear duct is filled with __________ and the scala vestibuli is filled with __________.
A. perilymph; endolymph
B. endolymph; endolymph
C. perilymph; perilymph
D. endolymph; perilymph
E. cerebrospinal fluid; perilymph
D. endolymph; perilymph
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A diuretic may cause which of the following effects?
A) Decreased cardiac output B) Increased sodium reabsorption C) Decreased sodium in urine D) Increased filtrate volume
Nicotinic receptors
1.bind with nicotine and norepinephrine. 2.are on sympathetic, but not parasympathetic, postganglionic cell bodies. 3.reduce the number of open nonspecific cation channels when they bind a neurotransmitter. 4.result in more efflux of potassium than influx of sodium when they bind a neurotransmitter. 5.are on all autonomic postganglionic cell bodies.
You have just completed spinal immobilization of a hemodynamically stable patient with a possible spinal injury. Prior to moving the patient to the ambulance, it is MOST important to:
A) start an IV of normal saline in case the patient deteriorates. B) apply a cardiac monitor and obtain a full set of vital signs. C) perform a detailed secondary assessment to detect other injuries. D) reassess pulse, motor, and sensory functions in all extremities.
The Drug Enforcement Agency requires separate inventory and use records to be kept for a. all oral medications
b. all injectable medications. c. schedule I and II controlled substances. d. all controlled substances.