module 9-15 Flashcards

1
Q

in a neuron the neural impulse travels from the —– to the —

A

dendrite, axon

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2
Q

What type of cells are found throughout the nervous system and provide support for neurons

A

Glial cells

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3
Q

A neural impulse traveling DOWN the axon

A

action potential

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4
Q

neurotransmitters affect the receiving neuron by entering ——– on the receiving neurons —–

A

receptor sites, dendrite

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5
Q

Which branch of the periphreal nervous system moves muscles

A

somatic

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6
Q

List 5 functions of the parasynthetic system:

A

slows heart beat, digestion, pupil contstriction, contracts bladder, lowers blood pressure, permits blood flow to genitles

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7
Q

What the sympathetic system responsible for?

A

Fight or flight, increase blood pressure, screte sweat from sweat glands, contract muscles, eyes dialate

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8
Q

two parts of somatic system:

A

sensory input; motor output (controls skeletal muscles)

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9
Q

What is the endrocine system made up of:

A

hypothalamas, pituitary gland, thyroid and adrenal gland, testies and ovaries, pancrease, parathyroid

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10
Q

The nervous system has what 2 parts?

A

Peripheral, central

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11
Q

The peripheral system is made up of what parts?

A

Automic, Somatic

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12
Q

The automic system is made up of what 2 parts:

A

Sympathetic, Parasympathetic

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13
Q

Glands and internal organs are directed by the —- branch of the peripheral system?

A

automic

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14
Q

What is the oldest part of the brain that is responsible for automatic survival functions?

A

Brainstem (medulla, reticular formation)

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15
Q

What regulates unconcious functions like heartbeat and breathing?

A

Medulla

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16
Q

Structure in limbic system that regulates hunger, thirst, body temp, fight or flight, sex

A

Hypothalamas

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17
Q

Where and what does the Wernikes area do?

A

left temporal lobe, language comprehension

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18
Q

The terminal branches of the axon reabsorbing neurotransmitter is

A

reuptake

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19
Q

What are the ions that flow in and out of the axon as the action potential moves down the axon?

A

Potassium and Sodium

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20
Q

Broca’s area produces speech by telling the —– —– to move the muscles involved w/ speaking

A

motor cortex

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21
Q

a major excitatory neruotransmitter involved in memory

A

Glutamate

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22
Q

——- neurons carry info from the senses to the brain; ——- neurons carry info from the brain to move muscles

A

sensory, motor

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23
Q

Curare causes paralysis by blocking receptor sites for

A

Ach

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24
Q

How is neuron firing similar to gun firing?

A

Its an all or none response; after firing must be reloaded before it can fire again

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25
Q

After a blow to the back of the head, Ray temporarily lost the ability to write with his right hand. What was damaged? and in what hemisphere?

A

Cerebellum, left

26
Q

the limbic system consists of what 3 structures?

A

hippocampus, hypothalams, amyglada

27
Q

What gland effects metabolism?

A

Thyroid gland

28
Q

What gland releases epinephrine into the bloodstream during times of stress?

A

Adrenal gland

29
Q

Which brain scan shows glucose metabolism over time?

A

PET scan; colorful, neon, different parts of brain light up

30
Q

What is the left hemisphere of the brain responsible for?

A

Logical thinking and math calculation, sorting out parts, right visual field

31
Q

What is the right hemisphere of the brain responsible for?

A

Facial recognition and 3D visulization, most emotion processing, left visual field

32
Q

In order from biggest to smallest:
Gene, Dna molecule, chromosome

A

chromosome, DNA molecule, gene

33
Q

Genes either regulate other genes or are a recipe for ——

A

Protiens

34
Q

Consists of 3 billion pairs of nucleotides and around 22,000 genes

A

the human genome

35
Q

—— affects how (specifically twins) turn out different from each other

A

prenatal nurture

36
Q

The study of how the environment affects the activity of genes?

A

Epigenetics

37
Q

Primary means by which NURTURE effects NATURE-

A

the enviorment YOU are in turns genes ON or OFF

38
Q

part of the brainstem that regulates attention and alertness?

A

reticular formation

39
Q

ACh is involved in?

A

muscle movement

40
Q

What is the cerebellums function?

A

Balance + cordination

41
Q

frontal lobe is involved in?

A

thinking, problem solving

42
Q

function of motor cortex?

A

region of the frontal lobe that allows us to move

43
Q

temporal lobe contains what cortex? processes what?

A

auditory cortex, processes hearing

44
Q

Norepinephrine?

A

arousoul, alertness. low supply, depression

45
Q

Whats the cerebral cortex?

A

folded outer skin of the brain, senses, thinking, memory

46
Q

processes facts and expirences into long term memory

A

hippocampus

47
Q

what does the spinal cord do?

A

the route for motor and sensory nerves to and from brain

48
Q

where all sensory info execpt smell is routed to by brain

A

thalamas

49
Q

dopamine

A

pleasure, learning, movement, attention

50
Q

bundle of fibers that connects the left part of brain to right

A

corpus callosum

51
Q

whats the function of the frontal lobe? what cortex is in it? what does this cortex do?

A

thinking, planning, problem solving, reasoning. Motor cortex- moves your muscles

52
Q

What cortex is in pariteal lobe? whats this cortex do?

A

sensory cortex, feels your body/ skin/sense

53
Q

What does the neruotransmitter Ach do?

A

plays a role in learning and memory. carries info from brain to spinal cord

54
Q

Whats the meeting point between neurons?

A

Synapse

55
Q

Axons are encased in —–, which is?

A

Myelin Sheath; layer of fatty tissue that insulates axons and and speeds their impulses

56
Q

What enables nonverbal learning and skill memory?

A

Cerebellum

57
Q

Interdisiplinary study of the brain activity linked without our mental process

A

cognitive neruoscience

58
Q

Genes and expirences interact to form our uniquness

A

biological mechanism adaptation

59
Q

Genes are self regulating; ——– studies how genes get turned on and off on the molecular level

A

epigenetics

60
Q

What 3 things influence our individual developtment?

A

Biological, social-cultural, and pysological influences