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Physio Stack #2
| Question | Answer |
|---|---|
| The magnitude of the action potential peaks when the sodium channels close | True |
| Which membrane receptor acts to directly change ion permeability | Ionotropic receptor |
| The reticular activating system maintains | consciousness |
| The somatic motor system includes all the _____ motor pathways____the CNS | voluntary; outside |
| Which is not true of the hormone somatostatin? | it stimulates the secretion of insulin |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells |
| Which sphincters function as regulatory valves that reduce the flow of blood through a network of capillaries when they contract and constrict the arterioles? | precapillary sphincters |
| Activities that result in central movement or flow of lymph are called | lymphokinetic activities |
| The function of which antibody is basically unknown | IgD |