Higher brain centers that alter the activity of the respiratory centers include all of the following except the
A) cerebral cortex.
B) pons.
C) limbic system.
D) hypothalamus.
E) None of the answers is correct.
Answer: B
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Diffusion, enzymatic degradation, and uptake by cells are all ways to
a) remove a neurotransmitter b) stop a spatial summation c) continue a temporal summation d) inhibit a presynaptic potential e) excite a presynaptic potential
A fractured ________ may be evidence of death by strangulation.
A. vomer B. styloid process C. mastoid process D. hyoid bone E. mandible
The sympathetic division of the ANS has
A. long postganglionic axons. B. preganglionic neuron cell bodies in the T1-L2 regions of the spinal cord. C. norepinephrine as a transmitter substance. D. Two of the choices are correct. E. All of the choices are correct.
Explain why the Na+ ions diffuse into the neuron when the Na+ channels open.
What will be an ideal response?