Chapter 3A Quiz Flashcards Preview

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Flashcards in Chapter 3A Quiz Deck (44):
1

function of dendrites

receive information

2

longest part of dendrite

axon

3

part of neuron that transmits messages

axon

4

sensory neurons

carry incoming information from the sensory receptors to the CNS

5

motor neurons

carry outgoing information from the CNS to the muscles and glands

6

interneurons

communicate internally and intervene between sensory inputs and motor outputs

7

what causes an action potential

absolute treshold

8

thresholds

the level of stimulation required to trigger a neural impulse

9

all or none response

once action potential is released, the axon either fires or it doesn't

10

the junctions between neurons

synapse

11

can cause muscular paralysis

acetylcholine (ACh)

12

lack of serotonin causes

depression

13

lack of dopamine causes

Parkinsons' disease

14

psychoactive drugs interfere with neural transmissions

at synapses

15

antagonists

bind to its receptor and mimic its effects

16

nervous system

the body's speedy electrochemical communication network, consisting nerve cells of the periphral and central nervous systems

17

peripheral nervous system

sensory & motor neurons that connect the CNS to the rest of the body

18

central nervous system

brain and spinal cord

19

relationship between motor neurons and periphral nervous system

Motor neurons carry outgoing information from the CNS to the peripheral NS muscles and glands .. tells muscles what to do

20

Relationship between interneurons and central nervous system

Interneurons in the CNS communicate internally and intervene between the sensory inputs and motor outputs

21

function of endocrine glands

secrete hormones, & etc.

22

which effects last longer endocrine messages or neural messages

endocrine messages

23

receive information

function of dendrites

24

axon?

longest part of dendrite

25

axon

part of neuron that transmits messages

26

carry incoming information from the sensory receptors to the CNS

sensory neurons

27

carry outgoing information from the CNS to the muscles and glands

motor neurons

28

communicate internally and intervene between sensory inputs and motor outputs

interneurons

29

absolute treshold

what causes an action potential

30

the level of stimulation required to trigger a neural impulse

thresholds

31

once action potential is released, the axon either fires or it doesn't

all or none response

32

synapse

the junctions between neurons

33

acetylcholine (ACh)

can cause muscular paralysis

34

depression

lack of serotonin causes

35

Parkinsons' disease

lack of dopamine causes

36

at synapses

psychoactive drugs interfere with neural transmissions

37

bind to its receptor and mimic its effects

antagonists

38

the body's speedy electrochemical communication network, consisting nerve cells of the periphral and central nervous systems

nervous system

39

sensory & motor neurons that connect the CNS to the rest of the body

peripheral nervous system

40

brain and spinal cord

central nervous system

41

Motor neurons carry outgoing information from the CNS to the peripheral NS muscles and glands .. tells muscles what to do

relationship between motor neurons and periphral nervous system

42

Interneurons in the CNS communicate internally and intervene between the sensory inputs and motor outputs

Relationship between interneurons and central nervous system

43

secrete hormones, & etc.

function of endocrine glands

44

endocrine messages

which effects last longer endocrine messages or neural messages