Exam 5 Pt. 1

Question 0

peripheral nervous system

Answer 0

cranial and spinal nerves

Question 1

Central nervous system

Answer 1

cerebrum, cerebellum, subcortical structures, brainstem and spinal cord

Question 2

Autonomic nervous system

Answer 2

involuntary, includes parasympathetic and sympathetic.

Question 3

sympathetic system

Answer 3

fight or flight

Question 4

parasympathetic system

Answer 4

conserve energy

Question 5

somatic nervous system

Answer 5

voluntary movements, includes pyramidal, and extrapyramidal

Question 6

neuron

Answer 6

basic functional unit of the nervous system

Question 7

soma

Answer 7

cell body

Question 8

dendrite

Answer 8

transmits information to the soma

Question 9

axon

Answer 9

transmits information from the soma

Question 10

myelin sheath

Answer 10

covers axon, protects and insulates, increases rate of impulses.

Question 11

nodes of ranvier

Answer 11

junctions where the nerve process is exposed, increases rate of nerve impulses.

Question 12

axon hillock

Answer 12

location between axon and soma

Question 13

telodendria

Answer 13

smaller branches extending from end of axon

Question 14

end buttons

Answer 14

transmit information to next neuron, contains neurotransmitters

Question 15

synapse

Answer 15

connection or act of sending information from one neuron to the next

Question 16

presynaptic neuron

Answer 16

sends the message

Question 17

postsynaptic neuron

Answer 17

receives the message

Question 18

neurotransmitters

Answer 18

activates the next neuron in a chain of neurons

Question 19

mitochondria

Answer 19

energy and protein development

Question 20

synaptic cleft

Answer 20

space between connecting neuron

Question 21

5 types of synapses

Answer 21

axodendritic, axosomatic, axoaxonic, somatosomatic, dendrodentritic.

Question 22

oligodendrocytes

Answer 22

myelin in central nervous system

Question 23

schwann cells

Answer 23

myelin in peripheral nervous system

Question 24

astrocytes

Answer 24

supply nutrients, suspends and separates neurons, forms blood brain barrier.

Question 25

microglia

Answer 25

phagocytosis

Question 26

interneurons

Answer 26

communication within the brain

Question 27

motor neurons

Answer 27

communication sent from the brain to the body

Question 28

sensory neurons

Answer 28

communication sent from the body to the brain