The motor homunculus represents

the motor units in different body regions

the bundle of fibers connecting 2 hemispheres

What does the temporal lobe do?

processes language and is a long-term memory

What does the frontal lobe do?

Controls planning, Controls judgment

what does the central sulcus do?

divides the right and the left hemisphere of the brain

Coordinates movement of mouth, tongue, larynx

Which is true of bipolar neurons?

They have one axon and one dendrite

What is the neural tube?

developing part of the embryo, becomes the brain and spinal cord

What is nerve impulse?

The message that travels along neurons, Form of electrical signals

What is the function of the frontal lobe?

reasoning, emothions, problem solving

What happens in deplorization during action potential?

the inside of the cell becomes positive

Na+ gates close, K+ rushes out, K+ gates open

Function of the Parietal Lobe

Movement, orientation, recognition & perception of stimuli

corticospinal tract is:

anterior and lateral - responsible for motor

What do we know about the relationship between the right cerebral hemisphere and language?

The right hemisphere has no discernible access to language.

What is the difference between white and gray matter?

White Matter: connecting axons; Gray Matter: muscle control

a brief electrical charge that travels down an axon.

Which of the following statements about corticospinal tracts is true?

They provide conscious, voluntary control over skeletal muscles.

Our Cerebral Cortex helps us to

think, decide, walk, talk, and plan

The Temporal Lobe is responsible for...

Hearing, learning, and feelings

the bundle of fibers connecting 2 hemispheres

What does a sensory homunculus model show?

The relative space occupiedby the sensory cortex

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Nervous system CNS and action potential Vocab

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Answers

1
A nerve impulse travels down a myelinated axon by
repolarization
simple diffusion.
integration.
saltatory conduction.
2
Somatic Sensory Area
Parietal
Occipital
Temporal
Frontal
3
the ability of a neuron to transmit a nerve impulse
polarization
conductivity
reflex
repolarization
4
The motor homunculus represents
the motor programming areas
the motor units in different body regions
the sensitivity of the region
the size of the muscles in each region
5
Function of the Occipital Lobe
Movement, orientation, recognition & perception of stimuli
visual processing
reasoning, problem solving, speech, emotions, & movment
auditory processing, memory, & speech
6
The corpus callosum
control attention
control sound
control your vital organs
the bundle of fibers connecting 2 hemispheres
7
What does the temporal lobe do?
organizes information and controls your emotions
processes time of your memories
processes language and is a long-term memory
8
What does the frontal lobe do?
None of the above
Controls planning
Controls judgment
Controls movement
9
what does the central sulcus do?
It divides the the brain into 4 parts
divides the right and the left hemisphere of the brain
divides the brain in half horizontally
divides the bottom and top hemispheres of the brain
10
Broca's area......
Controls movements of eye
Is posterior to primary motor cortex
Coordinates movement of mouth, tongue, larynx
Controls hand-eye coordination
11
Which is true of bipolar neurons?
They have one axon and one dendrite
They have a long axon with the cell body in the middle
They only occur in the peripheral nervous system
They are the most common type of neuron
12
Which letter represents Depolarization...
D
B
C
A
13
Where is the sulci
3
5
7
4
14
What is the neural tube?
developing part of the embryo
is still present in adults
becomes the brain and spinal cord
is part of the digestive system
15
What is nerve impulse?
Travels in many directions
Travels really slow
The message that travels along neurons
Form of electrical signals
16
Action potential vs Graded potential
graded potential reaches the threshold
AP reaches the threshold
17
What is the function of the frontal lobe?
involuntary processes
reasoning, emothions, problem solving
produces hormones
speech patterns
18
What happens in deplorization during action potential?
returns the cell to resting potential
the outside of the neuron is positive
the inside of the cell becomes positive
the outside of the neuron has no charge
19
In Repolarization:
Na+ gates close
K+ rushes out
K+ gates open
Na+ rushes in
20
Why do brains have sulci and gyri?
To protect parts of the Brain.
No purpose.
To increase surface area.
To look pretty.
21
Function of the Parietal Lobe
Movement, orientation, recognition & perception of stimuli
reasoning, problem solving, speech, emotions, & movment
visual processing
auditory processing, memory, & speech
22
A nerve impulse starts with...
A Dendrite
A Synapse
A Cell Body
An Axon
23
What does the Thalamus affect?
Emotional memory
formation of new memories
Memory Recognition
Creation and storage
24
What is the diencephalon also known as?
cerebral cortex
midbrain
interbrain
upperbrain
25
gyri may be described as
gray matter
furrow or fizzure
white matter
folds or convulsions
26
What are the gyri?
Bumps in the cerebral cortex
Grooves in brain matter
27
Diencephalon
Most often damaged in a concussion
thalamus and hypothalamus
Blood vessels in the brain
Thalmor and falmer
28
The cerebral cortex...
Is the two hemispheres
Bundle of fibers connecting the cerebral hemispheres
Largest part of the human brain
Outer layer of the cerebrum
29
Primary somatic sensory area
Frontal Lobe
Occipital Lobe
Parietal Lobe
Temporal Lobe
30
Broca's area is located on...
Left parietal lobe
Right frontal lobe
Right parietal lobe
Left frontal lobe
31
corticospinal tract is:
medial and posterior - responsible for motor
anterior and medial - responsible for motor
anterior and lateral - responsible for motor
posterior and lateral - responsible for posture
32
Which types of neurons are unipolar?
association/inter
motor
sensory
cerebral
33
The Parietal Lobe is responsible for...
Thinking, memory, behavior and movement
Sight
Hearing, learning, and feelings
Language and touch
34
Depolarization is electrical
False
True
35
What do we know about the relationship between the right cerebral hemisphere and language?
The right hemisphere labels things seen by the left eye.
The right hemisphere has no discernible access to language.
The right hemisphere is important for linguistic concepts.
The right hemisphere is the dominant for language skills.
36
What is the difference between white and gray matter?
White Matter: processes light; Gray Matter: problem solving
White Matter: connecting axons; Gray Matter: muscle control
There is no difference
White Matter: converts impluses; Gray Matter:creates neurons
37
What is the Gray matter?
Regulates heart rate, blood pressure, and controls reflexes
Muscle control and perception
Connects white matter together
38
What structure connects the left and right cerebral hemisphere?
Reticular Formation
Corpus Callosum
The pituitary fissure
Hippocampus
39
This neuron can be classified as
Bipolar
Unipolar
Extramultipolar
Mutlipolar
40
What does the right cerebral hemisphere control?
Artistic and creative thoughts
Academic and logical thoughts
41
Primary motor cortex
occipital lobe
frontal lobe
temporal lobe
parietal lobe
42
Action Potential
The mental preparation for stimulus
a brief electrical charge that travels down an axon.
Flood of NaCl to the brain
Any Syllvester Stallone flick
43
Primary somatic sensory area
brain stem
cerebrum
diencephalon
cerebellum
44
This is located at the junction of the parietal, temporal, and occipital lobes
Broca's area
primary motor association
speech area
all the hidden secrets to life
45
What area of the brain is involved in producing speech?
amygdala
cerebral cortex
broca's area
wernicke's area
46
White matter in your brain controls your:
actions
mood
mom
appetite
47
Which of the following statements about corticospinal tracts is true?
They are responsible for subconscious regulation of balance and muscle tone
They provide conscious, voluntary control over skeletal muscles.
They do not decussate.
They have 3 order neurons from the brain to the effectors.
48
Our Cerebral Cortex helps us to
breathe, see, think, live
think, decide, walk, talk, and plan
49
The Temporal Lobe is responsible for...
Sight
Hearing, learning, and feelings
Thinking, memory, behavior and movement
Language and touch
50
The corpus callosum
control sound
the bundle of fibers connecting 2 hemispheres
control attention
control your vital organs
51
What does a sensory homunculus model show?
The relative space occupiedby the sensory cortex
The relative space occupiedby the pituitary gland.
The relative space occupiedby the motor cortex
The relative space occupiedby hypothalamus
52
What does the Frontal Lobe control?
Spinal Cord
Hands
Behavior and Personallity
Movment
53
What does the left cerebral hemisphere control?
Artistic and creative thoughts
Academic and logical thoughts
54
What are brain fissures?
ridges
blood vessels
holes
deep grooves
55
The parietal lobe processes...
Memories
sounds
Basic body functions
Language and mathematics
56
What is the function of the thalamus?
center of pain reception and all senses (except smell)
center for smell
color recognition
controls motor function
57
what is the frontal lobe
memory
hearing
sight
breathing
58
A spinal nerve contains
axons of motor neurons only.
axons of sensory neurons only.
myelinated axons only.
both sensory and motor axons.
59
The superficial gray matter covering the Cerebrum is called the
Cerebellar hypoplasia
Cerebral Fluid
Sulci Sauce
Cerebral Cortex
60
Multipolar neurons...
have many dendrites and one axon
know how to play defense in the playoffs
have one fiber that extends from the cell body
have one axon and one dendrite
61
What does the left cerebral hemisphere control?
Right side of body
Left side of body
62
What are the lobes of your brain?
the frontal, occipital and left lobe
the tiny and big lobes
The frontal, parietal, occipital and temporal lobe
The frontal, temporal, occipital and right lobe
63
the frontal lobe is like your control panel
True
False
64
Which type of neuron is Multipolar?
2
3
4
1
65
When polarized a neuron is...
positive
at rest
firing
"reloading"
66
Cerebrum
Part of brain that dreams
Back part of brain
Part of the brain responsible for all involuntary actions
Area of the brain responsible for all voluntary activities
67
The basal ganglion helps to
Initiate movements
Terminate movements
Establish normal level of muscle tone
Suppress unwanted movements
68
This homunculus would receive sensory input from various sections of the body...
Primary Motor Cortex
Temporal Lobe
Occipital Lobe
Primary Somatosensory Cortex
69
Gray matter is mostly composed of...
Cell bodies
Dendrites
Synaptic vesicles
Axons
70
Repolariation occurs due to:
Na+ efflux
Na+ influx
K+ efflux
K+ influx
71
The four chambers inside the brain are
brain stem
hemispheres
venticles
lobes
72
what does the parietal lobe do
decision making
like everything
love for dogssssssss!!!!!!!!
dreams
73
The posterior association area is responsible for...
saying words
face & pattern recognition
reasoning and planning
understanding words
74
6. A graded potential:
begins after ‘threshold’ is reached
can be excitatory or inhibitory
follows an ‘all or none’ principle
is propagated down the axon of a neuron
75
which tract is apart of the pyramidal system?
rubrospinal tract
corticospinal tract
76
As the action potential moves downwards
Sodium ions move into the axon
Potassium ions move out of the axon
Potassium ions move into the axon
Sodium ions move out of the axon
77
what does the temporal lobe do?
it controls movement
it controls this answer
it controls hearing
it controls this quiz
78
How many rounded halves is the cerebral hemisphere divided into?
Two
Three
One
Four
79
During depolarization what channels open?
sodium ions
potassium ions
calcium ions
ion don't know
80
What does the right cerebral hemisphere control?
Right side of body
Left side of body
81
FINAL REVIEW: The diencephalon includes the....
cerebrum
thalamus
pituitary gland
hypothalamus
82
Local potential is graded
effects decrease
amount of stimulation determines how much sodium enters the cell
prevent neurons from entering the cell
stimulation is stopped, membrane restores quickly
83
Where are the sulci located?
Brain stem
Neocortex
Cerebrum
Ventricles
84
what is the white matter that is wrapped around the axon and increases speed of the impulse ?
Myelin Sheath
axon membrane
Schwann cell
phlegm
85
What association area is responsible for speech?
Brain
Wernickie's
Thalamus
Broca's
86
The basal ganglia is responsible for
Motor control and motor learning
Sending signals through the body
Releasing neurotransmitters
87
graded potential
both
depolarize
hyperpolarize
88
What are the 4 ventricles of the brain filled with?
blood
synovial fluid
cerebrospinal fluid
water
89
Information that exits the basal ganglia goes to the:
insula
thalamus
spinal cord
cerebral cortex
90
The left cerebral hemisphere is home to
the central sulcus
the centers that identify familiar objects
The old woman who lived in a shoe
the general interpretive and speech centers
91
Parietal Lobe
Occipital Lobe
Frontal lobe
Receives messages through hairs
Receives messages from skin
92
Where the motor Homunculus is located:
somewhere in the Australian wasteland
Parietal Lobe
Temporal Lobe
Frontal Lobe
93
Where is the Parietal Lobe?
THE YELLOW ZONE
THE BLUE ZONE
THE RED ZONE
THE GREEN ZONE
94
Depolarization is when
Kt rushes in
Nat rushes out
Nat rushes in
Kt rushes out
95
What is the Frontal lobe?
special sensors that detect shifts in balance and movement
both red and blue
part of the brain that controls important cognitive skills
its important to the function and processing of sensory information
96
The thalamus and basal ganglia are structures of which part of the brain?
mesencephalon
metencephalon
diencephalon
myelencephalon
97
When polarized a neuron is...
restablishing polarity
negative on the inside and positive on the outside
like a dimmer switch
negative on the outside and positive on the inside
98
What is the most abundant neuron we have?
Sensory neurons
Interneurons
Motor neurons
Endocrine neurons
99
Broca's Area
Involved in receptive language
Involved in expressive language
Involved in writing out sentences
Involved in converting visual information to auditory code
100
The anterior association areas are responsible for...
reasoning and planning
understanding words
face & pattern recognition
saying words

Nervous system CNS and action potential Vocab Flashcards | StudBud