A neuron receives a series of stimuli that increases the membrane permeability of Na+, but not enough to cause membrane potential to surpass -55mV. This neuron is said to be
A. graded.
B. amplified.
C. refractory.
D. facilitated.
Answer: D
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The FDA is responsible for approval of all chemicals dispensed by veterinarians
a. true b. false
Which of the following account for why the number of bones in the adult skeleton may vary. Select all that apply.
__X__ There is a variable presence of sesamoid bones. _____ Some bones may disappear in response to mechanical stress. __X__ There is a variable number of sutural bones. _____ There are fontanels in the skull of an infant.
Which system would most likely be used to calculate the amount of medication to give by weight to a premature infant?
A. English B. National C. American Imperial D. Metric
In the upper and lower appendages, the fasciae divide the muscles into ________.
A. septa B. chambers C. bundles D. compartments