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Halie Wilhoit
Week 8 Anatomy
| Question | Answer |
|---|---|
| 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 |
| How many pairs of spinal nerves are connected to the spinal cord? | 31 |
| The inner protective covering of the brain is called the | meninges. |
| The three divisions of the brain that make up the brainstem are the | medulla oblongata, midbrain, and pons. |
| If you trace the axon inside the sympathetic chain ganglion, the preganglionic fiber branches along which pathway? | synapses with a sympathetic postganglionic neuron sends ascending or descending branches through the sympathetic trunk to synapse with postganglionic neurons in other chain ganglia passes through one or more ganglia without synapsing |
| Individual nerves that emerge from the _____ plexus innervate the lower part of the shoulder and the entire arm | brachial |
| 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. |
| 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. |
| The large fluid-filled spaces within the brain are called the | ventricles |
| Formation of the cerebrospinal fluid occurs in the | ventricles. |
| The ventral rami of most spinal nerves subdivide to form complex networks called | plexuses. |
| The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion. |
| A subdivision of the nervous system that regulates involuntary effectors is the _____ nervous system. | autonomic |
| The enteric nervous system is made up of a complex network of nerve plexuses that control the visceral effectors in the | intestinal wall. |
| The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions. |