The glial cell that helps to circulate cerebrospinal fluid is the
A. astrocyte.
B. ependymal cell.
C. neurolemmocyte.
D. microglial cell.
E. oligodendrocyte.
B
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The dendrites of a neuron interact with several different axon terminals. Some of them are sending excitatory signals, while others are sending inhibitory signals. Over the course of the effects of these signals, the neuronal membrane potential reaches around -90mV. This means, overall, that the neuron will be
A. stabilized to remain at resting potential. B. excited enough to easily cross threshold and generate an action potential. C. inhibited from generating action potentials. D. excited, but not enough to cross threshold.
A neuron has received a signal, causing ion channels to open in the cell membrane, letting positively charged ions flow in. This has caused the membrane potential to change suddenly from –70 to +50 millivolts. This will cause a (an) _____ to occur.
a) resting state b) action potential c) negative charge d) positive charge
What clinical signs of possible cardiovascular disease can be observed by the client without medical training?
What will be an ideal response?
CSF circulates between the ventricles and what?
A. Choroid plexus B. Epidural space C. Meninges D. Subarachnoid space