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Physio Final
| Question | Answer |
|---|---|
| A synapse can occur only between an axon and ... | a dendrite, another axon and a cell body |
| The magnitude of the action potential peaks when the sodium channels nose. (True or False) | True |
| Which membrane receptor acts to directly change ion permeability when stimulated? | Gated-channel receptor |
| The somatic motor system includes all the ___ motor pathways __ the CNS | involuntary; within |
| The cerebellum acts with the __ to produce skilled movement. | Cerebrum |
| The receptors responsible for sensing crude and persistent touch are the: | Ruffini corpuscles |
| In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of? | Prothrombin activator |
| The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is called: | Self tolerance |
| Ciliated cells lining the respiratory tract: | help move the mucus blanket towards the pharynx |
| The PCO2 in alveolar air is ___ blood. | Less than in the systemic venous and equal to the systemic arterial |