1. Outside the CNS, somas are clustered in swellings called _______________.

2. Distal to the intervertebral foramen, a spinal nerve branches into a dorsal and ventral _______________.

3. The _______________ nerves arise from the cervical plexus and innervate the diaphragm.

4. Most parasympathetic preganglionic fibers are found in the _______________ nerve.

5. Modified muscle fibers serving primarily to detect stretch are called _______________.

6. The sciatic nerve is a composite of two nerves, the _______________ and _______________.

7. The adrenal medulla consists of modified postganglionic neurons of the _______________ nervous system.

8. Nicotinic and muscarinic receptors both bind the neurotransmitter _______________.

9. Adrenergic receptors classified as a ₂, ß₁, and ß₂ act by changing the level of _______________ in the target cell.

10. Sympathetic fibers to blood vessels maintain a background rate of firing called ______________, and this causes a state of partial vasoconstriction called______________.

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