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SCI 220
6-12
| The site of communication between neurons | Synapse |
| What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? | Neurilemma |
| Sensory cranial nerves include | Olfactory, optic, vestibulocochlear |
| Cerebrum associated with anger, fear, and sorrow is: | limbic system |
| Region of the adrenal cortex that secretes DHEA. | Zona reticularis |
| Melanin-containing layer of the eye's vascular tunic. | choroid |
| Hormone that inhibits osteoclast activity in children. | calcitonin |
| Volume percentage of red blood cells in whole blood | hematocrit |
| Which mature cell has no nucleus, mitochondria, or ribosomes? | Erythrocyte |
| The outermost layer of the larger blood vessels is the tunica | adventitia |
| A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin |
| A decrease in the amount of white blood cells is called | leukopenia |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center |
| lacteals | lymphatics in the villi of the small intestines and are absorb fat from the digestive system |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| The structures that deflect air as it passes through the nose are called: | conchae |
| The upper respiratory tract includes all of the following structures except the: | trachea |
| The eustachian tube connects the middle ear with the: | nasopharynx |
| total number of lobes in bilateral lungs | 5 |