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Mercedes Poulos
Anatomy Weeks 6-12
| Question | Answer |
|---|---|
| Astrocytes attach to | neurons and blood vessels |
| Neurons in the CNS have less chance of regenerating because | there is no neurolemma in cells of the CNS and astrocytes fill the path of regrowth |
| Parasympathetic neuron cell bodies are located in | nuclei of the brainstem and the lateral gray columns of the sacral cord |
| The brain has ______ major divisions | six |
| If you were to damage some of the preganglionic fibers that enter the celiac ganglion, what effect would this have on sympathetic stimulation? | Hormones secreted by the adrenal medulla may not reach the various sympathetic effectors, thus delaying the effects of the sympathetic stimulation |
| Endolymph is made | in the stria vascularis |
| The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called | semilunar valves |
| Recognition of antigens by antibodies occurs when an | antigen's epitopes fit into and bind to an antibody molecule's antigen-binding sites |
| The functions of the lymph nodes are | defense and hematopoiesis |
| The body's defense mechanisms can be organized into one of two major categories of immune mechanisms; these are | innate and adaptive immunity |
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mpoulos
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