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week 6-12 anatomy
koressa huddleston week 13
| Question | Answer |
|---|---|
| The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions. |
| The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion. |
| The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance of a horse’s tail called the | cauda equina. |
| Dendrites and cell bodies of sympathetic preganglionic neurons are located in the | gray matter of the thoracic and upper lumbar segments of the spinal cord. |
| Individual nerves that emerge from the _____ plexus innervate the lower part of the shoulder and the entire arm. | brachial |
| Spinal cord tracts provide conduction paths to and from the brain. The tracts that conduct sensory impulses down the cord from the brain are called _____ tracts. | descending |
| The vibrissae function as | filters |
| The roof of the nose is separated from the cranial cavity by a portion of the ethmoid bone called the | cribriform plate. |
| The small leaf-shaped cartilage that projects upward behind the tongue and hyoid bone is the | epiglottis. |
| The trachea, bronchial tree, and lungs make up the | lower respiratory tract. |
| The microscopic cilia function to | move mucus toward the pharynx. |