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Physiology stack 2
| Question | Answer |
|---|---|
| In a myelinated neuron, the impulse can travel under the myelin between nodes of Ranvier. | True |
| Which membrane receptor acts to directly change ion permeability when stimulated? | Gated-channel receptor |
| A membrane that exhibits a membrane potential is said to be | polarized. |
| Which of the following is not used by the body as a neurotransmitter? | Nitric oxide Acetylcholine Carbon monoxide |
| Which region of the brain plays a part in the mechanism responsible for emotions by associating sensory impulses with feelings of pleasantness and unpleasantness? | thalamus |
| The most numerous cerebral tracts are the | association tracts. |
| The cerebellum acts with the _____ to produce skilled movement. | cerebrum |
| Which of the following is not associated with the oculomotor nerve? | Closing and opening of the eye (blink reflex) |
| Parasympathetic stimulation has no effect on any of the following areas except: | sweat glands. |
| Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |