What does the EEG scan measure?

electrical activity in the brain

a drug that inhibits the activity of receptors

How does PET measure brain activity?

It detects the metabolization of glucose

A refractory period is ________

A brief time when a neuron is unable to conduct an impulse

If the axon of a neuron does not work, what happens to the neuron?

it can receive messages but it cannot send messages

What does the MEG measure?

magnetic fields generated by brain's electrical currents

What happens in deplorization during action potential?

the inside of the cell becomes positive

The level of stimulation needed to trigger a neural impulse

The medulla oblongata

regulates breathing, heart rate, and blood pressure

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Psych 202 Biopsychology

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Questions 30

Answers

1
What does the EEG scan measure?
electrical activity in the brain
a bold oxygen level dependent (BOLD) signal
internal structures of brain
metabolization of glucose
2
Dopamine is associated with what in the brain?
reward system
excitation of neurons
mood regulation
inhibition of neurons
3
Serotonin is associated with what in the brain?
reward system
excitation of neurons
inhibition of neurons
mood regulation
4
The neurotransmitter Glutamate is responsible for:
inhibition of neurons
excitation of neurons
reward system
mood regulation
5
Which of these are not detected by the parietal Lobe ?
Pain
Touch
Temperature
Sound
6
Antagonist means:
a drug that increases the activity of receptors
a drug that causes euphoria and pleasant sensations
a drug that inhibits the activity of receptors
a measure of the extent of drug absorption
7
How does PET measure brain activity?
It detects the flow of blood
It detects electrical signals from neurons firing
It detects the metabolization of glucose
It detects a BOLD signal
8
GABA is associated with what in the brain?
reward system
mood regulation
excitation of neurons
inhibition of neurons
9
A refractory period is ________
The same as the resting potential
A brief time when a neuron is unable to conduct an impulse
The period when the neuron conducts an impulse
The myelin sheathing provides insulation from an impulse
10
What is the main function of an inter neuron?
sends impulses to muscles
carries nerve impulses
receive impulses from senses
remove waste, debris, and excessive neurotransmitters
11
Which part of a neuron is damaged in multiple sclerosis?
Dendrite
Cell body
Myelin sheathing
Axon
12
What does the amygdala do?
Controls your movements.
Helps you make plan actions.
Controls your emotions.
Controls your memory.
13
What's circled on this neuron?
Cell Body
Axon
Myelin sheath
Dendrites
14
If the axon of a neuron does not work, what happens to the neuron?
it will not insulate the dendrites and can cause cell death
it can send messages but cannot release neurotransmitters
it can receive messages but it cannot send messages
it cannot receive messages but it can send messages
15
What does a MRI measure?
metabolization of glucose
electrical activity in the brain
internal structures of brain
a bold oxygen level dependent (BOLD) signal
16
What does the occipital lobe do?
Sight
Touch
Hearing
Memory
17
What does the frontal lobe control?
motor movements
vision
hearing
touch
18
Number 2 on this neuron is the...
Myelin sheath
Dendrites
Axon
Cell body
19
What does the MEG measure?
a bold oxygen level dependent (BOLD) signal
internal structures of brain
metabolization of glucose
magnetic fields generated by brain's electrical currents
20
Sympathetic activity includes
pupil dilation
bronchial constriction
decreased heart rate
slowed breathing
21
A split brain is caused by a severed...
Medulla
Cerebral cortex
Hypothalamus
Corpus Callosum
22
How does the charge inside the neuron change when it fires?
negative to positive
negative to more negative
positive to negative
positive to more positive
23
The hippocampus helps me
Hear
Run from danger
Create art
Remember important events
24
T or F: A polarized neuron is at rest.
False
True
25
What happens in deplorization during action potential?
the inside of the cell becomes positive
the outside of the neuron is positive
returns the cell to resting potential
the outside of the neuron has no charge
26
Increased parasympathetic activity will have what effect?
Increased energy
Increased respiration
Pupil dilation
Decreased heart rate
27
what does the temporal lobe do?
it controls hearing
it controls vision
it controls movements
it controls touch
28
How do neurotransmitters move from neuron to neuron?
the axon and dendrite are touching so they pass the electrical current
cross the synaptic cleft
attach to mitochondria and flow out of cell
move across terminal branches
29
Threshold is ____
The level of stimulation needed to trigger a neural impulse
Chemical messengers that cross synaptic gaps between neurons
Neural system located below the cerebral hemispheres
Base of the brainstem; controls heartbeat and breathing rate
30
The medulla oblongata
relays visual and auditory info to the thalamus
regulates balance and fine motor movements
regulates breathing, heart rate, and blood pressure
regulates sleep cycles

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