10495777
Frage 1
Frage
The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. The tissue is...
Antworten
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Dopamine
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The Myelin Sheath
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Acetylcholine
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An Endophin
Frage 2
Frage
A strong stimulus can increase the...
Antworten
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Speed of the impulse the neuron fires
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Intensity of the impulse the neuron fires
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Number of times the neuron fires
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Threshold that must be reached before the neuron fires
Frage 3
Frage
The pain of heroin withdrawal may be attributable to the fact that...
Antworten
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Under the influence of long-term heroin use the brain ceases production of endorphins
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Under the influence of long-term heroin use the brain ceases production of all neurotransmitters
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During heroin withdrawal the brain’s production of all neurotransmitters is greatly increased
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long-term heroin use destroys endorphin receptors in the brain
Frage 4
Frage
Which is the correct sequence in the transmission of a simple reflex?
Antworten
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Sensory neuron, Interneuron, Sensory neuron
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Interneuron, Motor neuron, Sensory neuron
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Sensory neuron, Interneuron, Motor neuron
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Interneuron, Sensory neuron, Motor neuron
Frage 5
Frage
In a resting state, the axon is...
Antworten
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Depolarized, with mostly negatively charged ions outside and positively charged ions inside
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Depolarized, with mostly positively charged ions outside and negatively charged ions inside
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Polarized, with mostly negatively charged ions outside and positively charged ions inside
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Polarized, with mostly positively charged ions outside and negatively charged ions inside
Frage 6
Frage
Which of the following is typically controlled by the right hemisphere?
Antworten
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Language
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Learned voluntary movements
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Arithmetic reasoning
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Perceptual tasks
Frage 7
Frage
The part of the human brain that is most like that of a fish is the...
Antworten
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Cortex
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Limbic System
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Brainstem
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Right Hemisphere
Frage 8
Frage
Voluntary movements, such as writing with a pencil, are directed by the...
Antworten
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Sympathetic nervous system
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Somatic nervous system
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Parasympathetic nervous system
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Autonomic nervous system
Frage 9
Frage
A neuron will generate action potentials when it...
Antworten
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Remains below its threshold
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Receives an excitatory input
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Surpasses its threshold of receiving more excitatory than inhibitory inputs
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Is stimulated by a neurotransmitter
Frage 10
Frage
Which is the correct sequence in the transmission of a neural impulse?
Antworten
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Axon, Dendrite, Cell body, Synapse
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Dendrite, Axon, Cell body, Synapse
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Synapse, Axon, Dendrite, Cell body
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Dendrite, Cell body, Axon, Synapse
Frage 11
Frage
Following a head injury, a person has ongoing difficulties staying awake. Most likely, the damage occurred to the...
Antworten
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Thalamus
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Corpus callosum
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Reticular formation
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cerebellum
Frage 12
Frage
An experimenter flashes the word FLYTRAP onto a screen facing a split-brain patient so that FLY projects to her right hemisphere and TRAP to her left hemisphere. When asked to say what she saw, the patient will...
Antworten
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Say she saw FLY
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Ssay she saw TRAP
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Say she saw FLYTRAP
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Say she saw TRAPFLY
Frage 13
Frage
Which of the following is typically controlled by the left hemisphere?
Antworten
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Making inferences
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Word recognition
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The left side of the body
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Perceptual skills
Frage 14
Frage
Which of the following are governed by the simplest neural pathways?
Antworten
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Emotions
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Physiological drives, such as hunger
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Reflexes
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Movements, such as walking
Frage 15
Frage
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...
Antworten
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ACh
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Endorphins
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Dopamine
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Norepinephrine
Frage 16
Frage
I am a relatively fast-acting chemical messenger that affects mood, hunger, sleep, and arousal. What am I?
Antworten
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Acetylcholine
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Dopamine
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Norepinephrine
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Serotonin
Frage 17
Frage
The neurotransmitter acetylcholine (ACh) is most likely to be found ...
Antworten
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At the junction between sensory neurons and muscle fibers
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At the junction between motor neurons and muscle fibers
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At junctions between interneurons
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In all of these locations
Frage 18
Frage
The gland that regulates body growth is the...
Antworten
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Adrenal
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Thyroid
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Hypothalamus
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Pituitary
Frage 19
Frage
Jessica experienced difficulty keeping her balance after receiving a blow to the back of her head. It is likely that she injured her...
Antworten
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Medulla
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Thalamus
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Hypothalamus
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Cerebellum
Frage 20
Frage
Moruzzi and Magoun caused a cat to lapse into a coma by severing neural connections between the cortex and the...
Antworten
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Reticular formation
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Hypothalamus
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Thalamus
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Cerebellum
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