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week 6-12
Physiology
Question | Answer |
---|---|
What are the three main functional categories fo neurons? | Afferent Efferent Interneurons |
What are the two subdivisions of the nervous system | Central Peripheral |
What are the three different Schwann cells | -myelinated fibers (white fibers) -unmyelinated fibers (gray fibers) -satellite cell |
What are the three structural components of a synapse? | -The synaptic knob -synaptic cleft -plasma membrane of the postsynaptic neuron |
The folds and ridges on the large surface of the cerebellum and the cerebrum are called? | Gyri (folia) |
The shallow grooves that surround the gyrus? | Sulcus |
What are the three major divisions of the brainstem? | -medulla oblongata -pons -midbrain |
What are the three membranous coverings of the CNS (starting on the outermost section moving inward) | -Dura mater -arachnoid membrane -pia mater |
What are the spinal nerves, and how many are in each? | - cervical (16 nerves, or 8 pairs) -thoracic (24 nerves or 12 pairs) -lumbar (10 nerves or 5 pairs) -sacral ( 10 nerves or 5 pairs) -coccygeal (2 nerves or 1 pair) |
What are the two major types of cholinergic receptors? | -nicotinic -nuscarinic |
What are the two major types of adrenergic receptors | -alpha -beta |
What are the primarg taste sensations? | -sour -sweet -bitter -umami (savory) -salty |
What are the auditory ossicules | -malleus -incus -stapes |
Name the four principle hormones that are secreted by the pancreatic islets? | -glucagon -insulin -somatostatin -pancreatic polypeptide |
The amount of blood that is returned to the heart by the way of vein is _______ | -venous return |