Flashcards in General CNS Review Deck (20)
What is included in the CNS?
brain and spinal cord
how many cranial nerves exist?
24 nerves or 12 pairs
T/F: cranial nerve are part of the CNS.
False; PNS structures
How many spinal nerves are in the CNS
How many spinal nerves are in the PNS
31 pairs or 62 total
How are spinal nerves attached to the spinal cord?
by ventral and dorsal rootlets
What are the two names for the ganglion contained in all dorsal roots of spinal nerves?
dorsal root ganglion or spinal ganglion
T/F: each spinal nerve splits into a ventral primary ramus AND a dorsal primary ramus
What are the two functional subdivisions of the nervous system?
somatic and visceral
What kind of info is carried by afferents?
What kind of info is carried by efferents?
What are the divisions of the visceral subdivision of the Nervous System?
sympathetic and parasympathetic
Which visceral division is considered adrenergic?
Which visceral division is considered cholinergic?
Which visceral division supplies pelvic splanchnic nerves?
Which visceral division is associated more with fight or flight?
Which visceral division has fewer blood vessels?
Which visceral division has long postganglionic fibers and short preganglionic fibers?
Which visceral division has long preganglionic fibers and short postganglionic fibers?