10495777
Question 1
Question
The axons of certain neurons are covered by a layer of fatty tissue that helps speed neural transmission. The tissue is...
Answer
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Dopamine
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The Myelin Sheath
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Acetylcholine
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An Endophin
Question 2
Question
A strong stimulus can increase the...
Answer
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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
Question 3
Question
The pain of heroin withdrawal may be attributable to the fact that...
Answer
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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
Question 4
Question
Which is the correct sequence in the transmission of a simple reflex?
Answer
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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
Question 5
Question
In a resting state, the axon is...
Answer
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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
Question 6
Question
Which of the following is typically controlled by the right hemisphere?
Answer
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Language
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Learned voluntary movements
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Arithmetic reasoning
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Perceptual tasks
Question 7
Question
The part of the human brain that is most like that of a fish is the...
Answer
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Cortex
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Limbic System
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Brainstem
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Right Hemisphere
Question 8
Question
Voluntary movements, such as writing with a pencil, are directed by the...
Answer
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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
Question 9
Question
A neuron will generate action potentials when it...
Answer
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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
Question 10
Question
Which is the correct sequence in the transmission of a neural impulse?
Answer
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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
Question 11
Question
Following a head injury, a person has ongoing difficulties staying awake. Most likely, the damage occurred to the...
Answer
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Thalamus
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Corpus callosum
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Reticular formation
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cerebellum
Question 12
Question
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...
Answer
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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
Question 13
Question
Which of the following is typically controlled by the left hemisphere?
Answer
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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
Question 14
Question
Which of the following are governed by the simplest neural pathways?
Answer
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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
Question 15
Question
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...
Answer
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ACh
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Endorphins
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Dopamine
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Norepinephrine
Question 16
Question
I am a relatively fast-acting chemical messenger that affects mood, hunger, sleep, and arousal. What am I?
Answer
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Acetylcholine
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Dopamine
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Norepinephrine
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Serotonin
Question 17
Question
The neurotransmitter acetylcholine (ACh) is most likely to be found ...
Answer
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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
Question 18
Question
The gland that regulates body growth is the...
Answer
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Adrenal
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Thyroid
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Hypothalamus
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Pituitary
Question 19
Question
Jessica experienced difficulty keeping her balance after receiving a blow to the back of her head. It is likely that she injured her...
Answer
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Medulla
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Thalamus
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Hypothalamus
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Cerebellum
Question 20
Question
Moruzzi and Magoun caused a cat to lapse into a coma by severing neural connections between the cortex and the...
Answer
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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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