Synaptic transmission 9.8-9.9

Approximately how many neurotransmitters are produced by the nervous system?

• 10

• 100

• 50

• 70

Neurotransmitters are only excitatory.

• true

• false

Acetyltholine is typically ___________.

• excitatory

• inhibitory

Epinephrine is typically ___________.

• excitatory

• inhibitory

GABA and glycerine are ___________.

• excitatory

• inhibitory

_______ is an increase in the release of neurotransmitters in response to ONE impulse

• facilitation

• convergence

• divergence

The transmission of nerve impulses (from more than one neuron) to a single neuron. This makes it possible to summate impulses from different sources.

• facilitation

• convergence

• divergence

The transmission of nerve impulses from a neuron in a pool to several output fibers. (1 neuron sends an impulse to more than one neuron).

• facilitation

• convergence

• divergence

A bundle of nerve fibers (axons) held together by layers of connective tissue.

• spinal cord

• nerve

• neuron

sensory neurons are ___

• affarent

• efferent