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Anatomy Stack 2
| Question | Answer |
|---|---|
| The glia cells that help form the blood-brain barrier are the | astrocytes. |
| Excitable cells that conduct the impulses are called | neurons |
| What term describes the bundles of nerve fibers within the central nervous system? | tracts |
| What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? | neurilemma |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| Regeneration of nerve fibers will take place only if the cell body is intact and the fibers have: | neurilemma |
| Astrocytes attach to: | neurons, blood vessels. |
| Schwann cells have a function in the PNS that is similar to that of which cells in the CNS? | Oligodendrocytes |
| Endolymph is made | in the stria vascularis. |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| Which of the following endocrine glands develops primarily from the endoderm of the pharynx? | thyroid and parathyroids |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| Endolymph-filled structure containing receptors for hearing. | cochlear duct |
| Which of the following is not part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? | hypothalamic appetite centers |
| Which layer of the larger blood vessels is made up of endothelium? | tunica intima |
| The free edges of the atrioventricular valves are anchored to the | papillary muscles. |