Untitled Deck

Question 1

Neuroglia

Answer 1

supporting cells of the nerve tissue

Question 2

Neuroglia functions

Answer 2

protect, nourish, and promote the function of neurons

Question 3

Neurons

Answer 3

the functional units of the nervous system,they are responsible for generating and conducting action potentials

Question 4

Action potential

Answer 4

electrical signal used by a neuron to communicate with another cell

Question 5

Dendrites

Answer 5

receiving structures, create electrical impulses in response to environmental stimuli

Question 6

Trigger zone

Answer 6

the junction of the axon hillock and initial segment

Question 7

Axon collaterals

Answer 7

allow a neuron to communicate with more cells

Question 8

Terminal boutons

Answer 8

responsible for releasing neurotransmitters at a chemical synapses

Question 9

Sensory neurons

Answer 9

detect changes within the external and internal environments and carry this information to the CNS

Question 10

Interneurons

Answer 10

involved in the processing of information within the CNS and are the most abundant neuron type

Question 11

Motor neuron

Answer 11

carry motor commands from the CNS to the body effectors which are muscle cells adipocytes and glandular epithelial cells

Question 12

Multiple neuron

Answer 12

one axon multiple dendrites (ex: motor and interneurons)

Question 13

Bipolar neuron

Answer 13

one axon one dendrites (special sense organs)

Question 14

Unipolar neuron

Answer 14

one axon no dendrites (sensory neurons for the general senses)

Question 15

myelin sheath gaps

Answer 15

are used in conducting action potentials and sending them away from the nerve cell body

Question 16

unmyelinated axon

Answer 16

conducts axon potentials but at a slower speed rate