Nervous System

CNS consists of?

• brain

• ganglion

• nerve

• spinal cord

the spinal cord relays information up to the nerve through spinal tracts to the cortex

• true

• false

the brain and spinal cord are both enclosed in the meninges

• true

• false

neurons are the supporting cells of CNS

• true

• false

PNS consists of?

• schwann cells

• axons

• neurons

the autonomic nervous system is a control system that acts largely consciously

• true

• false

neurons communicate with each other via electrical changes called:

• synapses

• action potentials

• neurotransmitters

a neuron or nerve cell is an electrically excitable cell the communicates with other cells by connections called:

• action potentials

• neurotransmitters

• synapses

types of nerve fibers: according to site of conduction

• somatic

• cranial

• motor

• autonomic

types of nerve fibers: according to origin

• caranial

• spinal

• visceral

• adrenergic