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Anatomy
Week 9
Question | Answer |
---|---|
The inner protective covering of the brain is called the | meninges |
Individual nerves that emerge form the ______plexus innervate the lower part of the sho;der and the entire arm. | brachial |
The enteric nervous system is made up of a complex network of nerve plexus that control the visceral effectors in the | intestinal wall. |
The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic division. |
A subdivision of the nervous system that regulates involuntary effectors is the ______ nervous system. | autonomic |
The dorsal root of each spinal nerve is easly recognied as swelling called the | dorsal root ganglion |
The spinal cord tracts provide conduction paths to and from the brain. The tract that conduct sensory impulses down the cord from the brain are called ______tracts. | descending |
The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearence of a horse's tail called the | cauda equina. |
The three division sof the brain that make up the brainstem are the | medulla oblongata, midbrain, and pons. |
Formation of the cerebrospinal fluids occurs in the | choroid plexus. |
The latge fluids-filled spaces within the brain are called the | ventricles. |
The venrral rami of most spinal nerves subdivided to form complex networks called | plexuses. |
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. |
If you trace the axon inside the sympathetic chain ganglion, the preganglionic fiber branches along which pathway? | synapes with a sympathetic postganglionic neuron, sends ascending or desending branches through the symthatic trunk to synapse with postganglionic neurons in the other chain ganglia, passes through one or more ganglia without synapsing. |
How many pairs of spinal nreves are connected to the spinal cord | 31 |
which of the folowing is not true of the lateral corticospinal tract fibers? | most inhibit the lower motor neuron. |
Cerebrospinal fluids is found in all of the following except the: | subdural sapce. |
The part(s) of the cerebrum associated with anger, fear, and sorrow is (are) the : | limbic system. |
The brain has ______major division | six |
The cranial nerve that arise from the spinal cord is the : | acessoty. |
Visceral effectors are innervated by sympathetic fibers. | True |
The automatic nervous system includes only efferent neuros. | False |