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The presence of at least one Y chromosome indicates:


A) that a person will have a polymorphism.
B) that a person is genetically female.
C) that a person is genetically male.
D) that a person has autochromosomal traits.

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The prefrontal cortex is important for working memory function.

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The nervous system most dominant while relaxing is the:


A) extrapyramidal motor system.
B) sympathetic nervous system.
C) somatic nervous system.
D) parasympathetic nervous system.

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The parts of neurons that receive information from other neurons are called:


A) axons.
B) dendrites.
C) synapses.
D) somas.

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The autonomic nervous has control centers in the:


A) pituitary gland.
B) cerebellum.
C) basal ganglia.
D) medulla.

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A substance that inhibits the activity of the cerebellum would be expected to:


A) impair memory.
B) cause inattention.
C) cause imbalance.
D) reduce cortical arousal.

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All of the following describe the functions of astrocytes except:


A) astrocytes play a role in neurotransmission.
B) astrocytes respond to injury.
C) they form an insulating material around axons.
D) astrocytes form and maintain the blood-brain barrier.

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Discovering that someone has glial scars means suggests that:


A) the person had neurons that did not form correctly during neural development.
B) the person has a disease that affects myelin around axons.
C) the person had a past traumatic brain injury.
D) the person has a history of drug abuse.

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Which type of microglial cells promote inflammation?


A) M4
B) M3
C) M2
D) M1

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A drug that caused someone to make a reckless decision might be affecting the:


A) temporal lobe.
B) cingulate cortex.
C) hippocampus.
D) prefrontal cortex.

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If a neuroscientist stated that a brain structure had efferent neurons,what can be concluded?


A) The structure must receive information from other neurons.
B) The structure must also have afferent neurons.
C) The structure sends information to other neurons.
D) Interneurons affect the flow of information in the structure.

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What parts of a neuron are completely contained within a ganglion?


A) Dendrites and axon
B) Axon and soma
C) Dendrites and soma
D) None of these are correct.

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Which cell causes endothelial cells to fit closely together?


A) Oligodendrocytes
B) Microglial cells
C) Astrocytes
D) Interneurons

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An inhibitory intracellular matrix releases neurotrophins to impair axon re-growth.

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A scientist who wanted to determine how inflammation in the brain was occurring in a certain disorder would most likely investigate which of the following?


A) Oligodendrocytes
B) Reactive astrocytes
C) M2 microglial cells
D) M1 microglial cells

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A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex.Relative to the prefrontal cortex,the neuron would be called a(n) :


A) interneuron.
B) efferent neuron.
C) afferent neuron.
D) motor neuron.

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The pons is activated when someone startles.

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Describe how glial scars can interfere with recovery from brain injury.

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Glial scars prevent damage axons from re...

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Sympathetic nervous system neurons contact muscle tissue at neuromuscular junctions.

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Imagine that you are investigating two structures in the brain,labeled structure A and structure B.You find that some neurons originate in structure B and terminate in structure A,and vice versa.You also find that some neurons originate and terminate in the same structure.Relative to structure B,which neurons are afferent,efferent,and interneurons?

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Those that project from struct...

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