Unit 2 Flashcards

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1
Q

To monitor electrical activity that is triggered when one hears their own name, researchers would make use of what ?

A

An EEG

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2
Q

In order to experience the pain of a sprained ankle, _____ must first relay messages from your ankle to your central nervous system.

A

sensory neurons

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3
Q

A drug that blocks the re-uptake of a particular neurotransmitter is called a(n)

A

antagonist

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4
Q

Increasing excitatory signals above the threshold for neural activation will not affect the intensity of the action potential. This indicates that the neuron’s reaction is

A

an all-or-nothing response

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5
Q

The somatic nervous system is a component of the ______ nervous system.

A

peripheral

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6
Q

When ACh is blocked, the result is

A

muscular paralysis

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7
Q

Depolarization of the neural membrane can create a(n)

A

action potential

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8
Q

Mr. Smith thought his daughter had fallen down the stairs. His rate accelerated, blood pressure rose and he began to perspire heavily. His state of arousal was activated by his _____nervous system.

A

sympathetic

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9
Q

Drugs that block the reuptake of serotonin will thereby increase the concentration of the molecules in the

A

synaptic gaps

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10
Q

The minimum level of stimulation required to trigger a neural impulse is called the

A

threshold

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11
Q

The limbic system structure that regulates hunger is called the

A

hypothalamus

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12
Q

The successful functioning of children who have experienced surgical removal of an entire cerebral hemisphere best illustrates the value of

A

plasticity

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13
Q

Though there is no single control center for emotions, their regulation is primarily attributed to the brain region known as

A

limbic system

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14
Q

Which region of the brain appears to have its oldest evolutionary history?

A

brainstem

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15
Q

In the brain, I outnumber neurons. I also provide nutrients and help remove excess neurotransmitters I am a

A

glial cell

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16
Q

Which of the following is typically controlled by the right hemisphere?

A

emotion

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17
Q

Information is most quickly transmitted from one cerebral hemisphere to the other by the

A

corpus callosum

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18
Q

In order to pinpoint the location of a tumor, the neurosurgeon electrically stimulated parts of the patient’s sensory cortex. If the patient was conscious, which of the following was probably experienced?

A

a sense of having the skin touched

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19
Q

Jessica experienced difficulty keeping her balance after receiving a blow to the back of the head. It is likely that she injured her

A

cerebellum

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20
Q

The association areas are located in the

A

cerebral cortex

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21
Q

which term happens along side action potential

A

depolarized

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22
Q

when the cell is at rest, it is;

A

polarized

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23
Q

anti-depressants block the WHAT of serotonin

A

reuptake

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24
Q

the cell fires when there is more excitatory than inhibitory signals (true or false)

A

true

25
Q

sodium and potassium are the ions that move through the tiny gates (true or false)

A

True

26
Q

the movement of ions inside and outside the tiny gates is called

A

action potential

27
Q

during action potential, the cell is

A

depolarized

28
Q

when the neurotransmitter is released it is then sucked back up again, this is called what

A

reuptake

29
Q

each neurotransmitter has a unique chemical code and that code fits like a lock and key in the receiving dendrite (true and false)

A

True

30
Q

The first part of the cell that receives the message is the axon

A

False

31
Q

What is the medulla’s function

A

heartbeat and breathing

32
Q

what is reticular formation’s function

A

controls the arousal (focus) and attention + alertness

33
Q

what happens when the reticular formation is damaged

A

results in a coma

34
Q

what does the thalamus control

A

the sensory signals to other parts of brain. NOT SMELL THO!!!! (switchboard)

35
Q

what is the function of the cerebellum

A

coordinates muscle movement and balance.

36
Q

what is the limbic system

A

4 structures that make up emotional center

37
Q

what is the function of hypothalmus

A

controls; sleep, eating, drinking, pleasure, emotions, and body TEMP.

38
Q

What is amygdala functions

A

TOXIC emotions; anger, fear, jealously.

39
Q

what is the hippocampus function

A

involved with memory; memories and emotions are linked.

40
Q

what is the corpus callosum function

A

bridge between two hemisphere; lets the communicate

41
Q

what does aphasia mean

A

means an impairment of language

42
Q

what does broca’s area mean

A

speak with tongue, (be broca his tongue and cannot speak)

43
Q

what does wenicke’s do/mean

A

allows you to understand what others are saying.

44
Q

what does angular Gurus mean/allow

A

allows to read in your head

45
Q

what are the four areas for language specialization ??

A

Aphasia, Broca’s area, Wenicke’s, and Angular Gurus.

46
Q

what is the function of the frontal lobe

A

controls abstract thoughts, personality, and emotional control+planning. (Maturity Level)

47
Q

what is the function of the parietal lobe

A

touch sensations EX, Sunburn.

48
Q

what hemisphere of brain is the areas for language specialization

A

LEFT

49
Q

what is the function of temporal lobe

A

Sound

50
Q

what is the occipital lobes function

A

vision; turns messages from eyes into images.

51
Q

what is plasticity

A

the brains ability to modify itself.

52
Q

what is the functions involved with the left hemisphere of the brain.

A

logic, sequential, analytical, detailed, and language tasks.

53
Q

what is the functions involved with the right hemisphere of the brain

A

perception, spatial (space) awareness, creativity, intuition, emotions, facial recognition.

54
Q

what does touching the motor cortex do

A

touching this area will create movement

55
Q

what happens when you touch the sensory cortex in the brain

A

if touched then you will sense it.

56
Q

what is brain laterization

A

a process that is specific to a side of the brain (ex. language=left.

57
Q

is the endocrine system slow or fast

A

SLOW

58
Q

what is the master gland of endocrine system

A

master gland.