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Weeks 6-12 anatomy
Aspen Crider
| Question | Answer |
|---|---|
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue. |
| Fascicles are held together by a connective tissue layer called the: | perineurium |
| 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. |
| All cell bodies of the autonomic nervous system are located within the CNS. | False |
| Which of the following is not true? | One bundle of nerve fibers (nerve roots) projects from each side of the spinal cord. |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Which of the following statements does not correctly describe the spiral organ of Corti? | The tectorial membrane bends with vibrations, whereas the basilar membrane is rigid and fixed. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells |
| A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin |
| The normal ECG is composed of all of the following except a | E wave |
| The type of membranous tissue that lines the heart and blood vessels is the | endothelium |
| Which of the following is not a formed element found in the blood? | plasma |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of | vasodilation |
| Starling’s law of the heart states that, within limits, the longer, or more stretched, the heart fibers are at the beginning of the contraction, the | stronger the contraction. |
| Cardiac output is determined by | stroke volume and heart rate |
| The difference between systolic pressure and diastolic pressure is called | pulse pressure. |