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stack 2
weeks 6-12
| Question | Answer |
|---|---|
| Isotonic contractions | same tension, changing length |
| afferent | division of the NS consists of all incoming sensory |
| classes of neurons | multipolar, bipolar and unipolar |
| absolute refractory | the period immediately following the firing of a nerve fiber when it cant be stimulated no matter how great the stimulus |
| structures of the brain stem | medulla oblongata, pons, midbrain |
| what structure of the schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers | neurilemma |
| what membrane receptor acts to directly change ion permeability when stimulated | gated-channel receptor |
| are all cell bodies of the autonomic NS located within the CNS? | NO |
| How many major divisions are in the brain | 6 |
| small branches from the cervical plexus join which two cranial nerves? | hypoglossal and accessory |
| the most numerous cerebral tracts are the | association tracts |
| formed elements in blood | red blood cells, white blood cells and platelets |
| the wall of the heart are made of three layers | epicardium, myocardium and endocardium |
| 4 major structures of the heart | SA node, AV node, bundle of his, purkinje fibers |
| systolic bp | force of blood pushing against artery wall as ventricles contract |
| what are the most numerous phagocyte? | neutrophils |
| two classes of lymphocytes | B cells, and T cells |