The Tools of Discovery: Having Our Head Examined Quiz 1
1) What type of early observations helped with the initial localization of brain's functions?
A) Initial uses said techniques
B) Finding from neuroimaging scans
C) Early astronomy techniques
D) Evaluation of hemispheres of brain
E) Early case studies of patients by physicians
2) What implication was made from the observed damage in one side of the brain?
A) The opposite parts of brain handle auditory processing
B) Both hemispheres of brain contribute to visual processing
C) One side of the brain can conduct cognitive responses
D) The brain is critically connected to the spinal cord
E) The right side of the body is wired to the left side of the brain
3) What typically happened when the back of the brain sustained damage?
A) Disrupted vision
B) Speech disruptions
C) Overheating of the brain
D) Numbness on the body
E) Excessive eating
4) What activity was conducted on the brain in a lab for studies?
A) Lesion (destruction) to tiny clusters of brain cells
B) Improving the cognitive responses
C) Working on signalling processes
D) Healing neuropsychological issues
E) Destroying all neurons
5) One effect of electrical/chemical/magnetic stimulation of the brain results in?
A) Out-of-body experience
B) Constant hunger
C) Enhancement of physical strength
D) Full vision
E) Heart palpitations
6) How are researchers able to determine where information in a cat's brain goes when
someone strokes its whisker?
A) With CT scan
B) Using electroencephalogram
C) By the utilization of modern microelectrodes
D) By xylographic studies
E) With neuroimaging techniques
,7) Which newer neuroimaging technique allows us to see inside the living brain?
A) EEGs
B) Nuclear disintegration methods
C) Anatomical studies
D) Somatological techniques
E) CT (computed tomography) scan and PET (positron emission tomography) scan
8) What does PET scan track to show active neurons during a task?
A) Ion radiations
B) Gamma rays released from temporarily radioactive glucose.
C) Laser pulse
D) Alpha particles
E) Ultraviolet frequencies
9) How does MRI conduct brain scans?
A) Changing the polarization state
B) Causing public resonance frequencies
C) By displacement of magnetic alignment of brain cells
D) Applying strong electrical pulses
E) By generating strong magnetic field, causing alignment and disorientation of brain atoms
10) With regard to schizophrenia, what have MRI scans showed?
A) Disruption of visual system
*B) They have shown enlarged ventricles (fluid-filled brain areas)
C) Smaller active neurons
D) Ultimate shrink in brain hemisphere
E) Dysfunction in left-brain hemisphere
11) What can fMRI detect by comparing scans taken seconds apart?
A) Specific brain areas activating, indicating increased oxygen-laden bloodflow
B) Increase of patsonian poles
C) Fast blood specificity
D) Glycophagic activities of neurons
E) Oxygen deficiency
12) What do snapshots of the brain's changing activity provide insight into?
A) The principal states of brain
B) Noise rush coping of brain
C) Bilateral orientation of brain
D) How the brain divides its labor
E) Molecular spin cycle of brain atoms
, 13) What allows neuroscientists to predict the specific mental activities people are doing with 80
percent accuracy?
A) fMRI scanning of 129 people's brains
B) Subatomic neurological computation
C) Implementation of computative vision
D) Comparative anatomy of the brain
E) Transfer of electronic processing to base
14) What does studying an EEG of the brain’s activity equate to with regard to a car?
A) Checking spark plugs alignment
B) Determining cooling efficiency of Air Condition
C) Studying a car engine by listening to its hum
D) Changing engine oil frequently
E) Monitoring fuel level in car
15) Does brain mapping affect researchers intellectual understanding?
A) Yes
B) No, it leaves it constant
C) No, it needs inter conversion
D) No, Researchers initial understanding get reduced
E) No, There is no interaction between them
16) In standard MRI brain scanning, what step preliminary disorients the spinning atoms of brain
molecules?
A) Opting other radioactive source
B) Drawing electric currents
C) Radio wave pulse
D) Conveying working media service
E) Execution of concentrating frequencies
17) Which brain scanning methodology majorly use mechanical tinge corresponding to emission
of signals?
A) Computed Tomography (CT) scans
B) Echocardiogram
C) MRI (Magnetic Resonance Imaging) brain scans.
D) Laser resonance methods
E) electroencephalogram (EEG)
18) Which of the following assertion is not true according to the detailed phrase provided?
A) The ability to visualize brain structures profoundly stemmed by CT scans
B) A PET-scan ultimately reveals active enzymatic reactions in the brain.
C) fMRI can depict the functioning of the brain.
D) A damaged left-front part of brain results in vision loss
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