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SCI 220
weeks 6-12.
| Question | Answer |
|---|---|
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| The brain has _____ major divisions. | six |
| Which of the following is not true? | One bundle of nerve fibers (nerve roots) projects from each side of the spinal cord. |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | dura mater |
| Cerebrospinal fluid circulates through the ventricles, into the central canal, and _____, and is absorbed back into the blood. | subarachnoid space |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center. |
| Interferon inhibits the spread of: | . viruses. , bacteria. |
| The lower border of the cavity of the larynx is formed by the: | cricoid cartilage. |
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