Term
During an action potential, the electrical state of the axon becomes
a. Polarized as positively charged atoms are admitted
b. Polarized as negatively charged atoms are admitted
c. Depolarized as positively charged atoms are admitted
d. Depolarized as negatively charged atoms are admitted |
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Definition
c. Depolarized as positively charged atoms are admitted |
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Term
Which is the correct sequence in the transmission of a neural impulse?
a. Axon--Dendrite--Cell body--Synapse
b. Dendrite--Axon--Cell body--Synapse
c. Synapse--Axon--Dendrite--Cell body
d. Axon--Synapse--Cell body--Dendrite
e. Dendrite--Cell body--Axon--Synapse |
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Definition
e. Dendrite--Cell body--Axon--Synapse |
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Term
Which is the correct sequence in the transmission of simple reflex?
a. Sensory neuron--Interneuron--Sensory neuron
b. Interneuron--Motor neuron--Sensory neuron
c. Sensory neuron--Interneuron--Motor Neuron
d. Interneuron--Sensory neuron--Motor Neuron |
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Definition
c. Sensory neuron--Interneuron--Motor neuron |
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Term
The brain research technique that involves monitoring the brain's usage of glucose is called (in abbreviated form) the
a. PET scan
b. CT scan
c. EEG
d. MRI |
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Definition
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Term
Though there is no single "control center" for emotions, their regulation is primarily attributed to the brain region known as the
a. Limbic System
b. Reticular Formation
c. Brainstem
d. Cerebral Cortex |
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Definition
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Term
The visual cortex is located in the
a. Occipital Lobe
b. Temporal Lobe
c. Frontal Lobe
d. Parietal Lobe |
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Definition
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Term
Anton is applying for a technician's job with a neurosurgeon. Trying to impress his potential employer with his knowledge of the brain, he says, "After my father's stroke I knew immediately that the blood clot had affected his left cerebral hemisphere because he no longer recognized a picture of his friend." Should Anton be hired?
a. Yes. Anton obviously understand brain structure and function.
b. No. The right hemisphere, not the left, specializes in picture recognition.
c . Yes. Although blood clotes never form in the left hemisphere, Anton should be rewarded for recognizing the left hemisphere's role in picture recognition.
d. No. Blood clots never form in the left hemisphere and the right hemisphere is more involved than the left in recognizing pictures. |
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Definition
b. No. The right hemisphere, not the left, specializes in picture recognition. |
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Term
Which of the following is typically controlled by the right hemisphere?
a. Language
b. Learned Voluntary Movements
c. Arithmetic Reasoning
d. Perceptual Tasks |
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Definition
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Term
Following a single gunshot wound to the head, Jack became more uninhibited, irritable, and profane. It is likely that his personality change was the result of injury to his
a. Parietal Lobe
b. Temporal Lobe
c. Occipital Lobe
d. Frontal Lobe
e. Endocrine System |
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Definition
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Term
Beginning at the front of the brain and working backward then down and around, which ofhte following is the correct order of the cortical regions?
a. Occipital, temporal, parietal, frontal
b. Temporal, frontal, parietal, occipital
c. Frontal, occipital, temporal, parietal
d. Frontal, parietal, occipital, temporal
e. Occipital, parietal, temporal, frontal |
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Definition
d. Frontal, parietal, occipital, temporal |
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Term
Which lobe of the brain is mostly involved with vision?
a. Occipital
b. Temporal
c. Frontal
d. Parietal |
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Definition
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Term
If Dr. Rogers wishes to conduct an experiment on the effects of stimulating the reward centers of a rat's brain,he should insert an electrode into the
a. Thalamus
b. Sensory Cortex
c. Hypothalamus
d. Corpus Callosum |
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Definition
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Term
Dr. Frankenstein made a mistake during neurosurgery on his monster. After the operation, the monster "saw" with his ears and "heard" with his eyes. It is likely that Dr. Frankenstein "rewired" neural connections in the monster's
a. Hypothalamus
b. Cerebellum
c. Amygdala
d. Thalamus
e. Hippocampus |
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Definition
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Term
The technique that uses magnetic fields and radio waves to produce computer images of structures within the brain is called
a. The EEG
b. A CT scan
c. A PET scan
d. MRI |
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Definition
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Term
Your brother has been taking prescription medicine and experiencing a number of unpleasent side effects, including unusually rapid heartbeat and excessive perspiration. It is likely that the medicine is exaggerating activity in the
a. Reticular Formation
b. Sympathetic Nervous System
c. Parasympathetic Nervous System
d. Amygdala |
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Definition
b. Sympathetic Nervous System |
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Term
Voluntary movements, such as writing with a pencil, are directed by the
a. Sympathetic Nervous System
b. Somatic Nervous System
c. Parasympathetic Nervous System
d. Autonomic Nervous System |
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Definition
b. Somatic Nervous System |
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Term
Heartbeat, digestion, and other self-regulating bodily functions are governed by the
a. Voluntary Nervous System
b. Autonomic Nervous System
c. Sympathetic Nervous System
d. Somatic Nervous System
e. Central Nervous System |
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Definition
b. Autonomic Nervous System |
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Term
Which of the following is not a correct description of a brain research technique?
a. Using a PET scan to examine the brain's structure
b. Using the EEG to record the brain's electrical activity
c. Using MRI to examine the brain's structure
d. Using a CT scan to examine the brain's structure |
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Definition
a. Using a PET scan to examine the brain's structure |
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Term
Melissa has just completed running a marathon. She is so elated that she feels little fatigue or discomfort. Her lack of pain is probably the result of the release of
a. Acetylcholine (ACh)
b. Endorphins
c. Dopamine
d. Norepinephrine |
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Definition
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Term
A strong stimulus can increase the
a. Speed of the impulse a neuron fires
b. Autonomic Nervous System
c. Sympathetic division of the autonomic nervous system
d. Somatic Nervous System |
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Definition
c. Sympathetic division of the autonomic nervous system |
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Term
In a resting state, the axon is
a. Depolarized, with mostly negatively charged ions outside and positively charged ions inside
b. Depolarized, with mostly positively charged ions outside and negatively charged ions inside
c. Polarized, with mostly negatively charged ions outside and positively charged ions inside
d. Polarized, with mostly positively charged ions outside and negatively charged ions inside |
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Definition
d. Polarized, with mostly positively charged ions outside and negatively charged ions inside |
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Term
A neuron will generate action potential more often when it
a. Remains below its threshold
b. Receives an excitatory input
c. Receives more excitatory than inhibitory inputs
d. Is stimulated by a neurotransmitter
e. Is stimulated by a hormone |
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Definition
c. Receives more excitatory than inhibitory inputs |
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Term
The axons of cetain neurons are covered by a layer of fatty tissue that helps speed neural transmission. This tissue is
a. Glial Cells
b. The Myelin Sheath
c. Acetylcholine
d. An Endorphin |
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Definition
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Term
Which of the following are governed by the simplest neural pathways?
a. Emotions
b. Physiological drives, such as hunger
c. Reflexes
d. Movements, such as walking
d. Balance |
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Definition
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Term
Which of the following is typically controlled by the left hemisphere?
a. Spatial Reasoning
b. Arithmetic Reasoning
c. The left sideof the body
d. Perceptual Skills |
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Definition
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Term
Based on research, which of the following seems true about the specialized functions of the right and left hemispheres?
a. They are more clear-cut in men than in women
b. They are more clear-cut in women than in men
c. Most complex tasks emerge from the activity of one or the other hemispheres
d. Most complex activities emerge from the integrated activity of both hemispheres |
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Definition
d. Most complex activities emerge from the integrated activity of both hemispheres |
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Term
A bodybuilder friend suddenly seems to have grown several inches in height. You suspect that your friend's growth spurt has occured because he has been using drugs that affect the
a. Pituitary Gland
b. Thalamus
c. Adrenal Glands
d. Medulla
e. Cerebellum |
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Definition
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Term
Dr. Johnson briefly flashed picture of a key in the right visual field of a split brain patient. The patient could probably
a. Verbally report that a key was seen
b. Write the word "key" using the left hand
c. Draw a picture of a key using the left hand
d. Do none of the above |
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Definition
a. Verbally report that a key was seen |
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