Neuro
The finches with beaks that were best adapted to successfully retrieve food were the finches most likely to survive long enough to _______, passing to their offspring the likelihood of having a similarly adaptive beak.
Reproduce
Learn
Mature
Adapt
The circumstances surrounding an event and the interactions between behavior, brain and environment are referred to as
The context
The cognitive state
Internal life
The human psyche
Compared to rats raised in standard environments, how do rats raised in complex enriched environments differ?
They have smaller brains and thinner cortex
They show less physical activity
They recover from brain trauma quicker
They show fewer social interactions
Internal conditions affecting environmental context include
The bacterial population of the gut
Physical excercise
Social interactions
Exposure to environmental toxins
Phrenology is notable for being the first formal attempt at
Estimating human intelligence
Attributing psychological traits to natural selection
Localizing brain function
Empirical quantification of psychological traits
The process by which life experiences and the environment can change gene expression is called
Epigenetics
Protein translation
Proteomics
Eugenics
Broca's investigation of Tan's language disability and brain damage would be categorized as a(an) ____________ study.
Case
Phenotypic
Electroencephalography
Experimental
Electroencephalography (EEG) directly measures
Brain glucose consumption
Fear and anxiety
Spontaneous brain electrical activity
Cognition
_______________ would be the preferred imaging technique to study the role of white matter pathways in the brain.
Diffusion tenson imaging (DTI)
Computed tomography (CT)
Positron emission tomography (PET)
Functional magnetic resonance imaging (fMRI)
The increased popularity of ___________ has contributed to the emergence of the field of cognitive neuroscience.
Functional magnetic resonance imaging (fMRI)
Magnetic resonance imaging (MRI)
Diffusion tenson imaging (DTI)
Computing tomography (CT)
The cells supporting the neurons of the brain are the ________
Neurofilaments
Neurons
Glia
Swann cells
What are the two key propositions that guide modern neuroscience? Describe each one in a single sentence (one sentence each).
Two key propositions guiding modern neuroscience are the brain and neuron hypotheses. The brain hypothesis is that the brain is responsible for all behaviors. In contrast, the neuron hypothesis is the building block of the brain and behavior and how many situations are coordinated.
_______ are only one of the cell types found in the nervous system.
Mitochondria
Myelin
Soma
Neurons
______________ have a branched structure and receive stimulation from other neurons.
Soma
Axons
Dendrites
Glial Cells
The part of a neuron that sends information to another neuron is the ________
Soma
Dendrites
Synapse
Axon
Sensory neurons ________
Gather information from the environment and convey it into the central nervous system
Control muscles and produce movement.
Produce axons covered with myelin.
Send messages away from the brain toward the periphery.
Negotiations can be said to involve an “intermediary” who communicates between two parties. The “intermediary” between a sensory neuron and a motor neuron is a ________
Interneuron
Projection neuron
Synapse
Glial cell
Damage to the medulla can produce problems in ________
Regulation of sleep
Motor coordination
Regulation of respiration
Filtering of sensory information
Which of the cranial nerves extends to the body’s organs?
Olfactory
Optic
Vagus
Auditory
Being given a "pat on the back" refers to being hit on the body’s ____________ surface.
Rostral
Ventral
Dorsal
Anterior
A cut through the brain that divides the two hemispheres (a cut "between the eyes") is called a ____________ section.
Coronal
Horizontal
Superior
Sagittal
Visual information is processed in the ________ lobe.
Parietal
Frontal
Olfactory
Occipital
A primary function of the thalamus is to ________
Initiate hunger
Control pituitary gland
Regulate blood pressure
Relay sensory information to the cerebral cortex
You’ve just been mugged and punched. Your __________ is likely highly activated at this time
Somatic nervous system
Basal ganglia
Parasympathetic nervous system
Sympathetic nervous system
The bulges on the surface of the cerebral cortex are referred to as ________
Lobes
Gyri
Tuberosities
Sulci
One of the specialized functions of the left cerebral hemisphere is ________
Motor skills
Language
Mathematics
Musically ability
The immune response within the central nervous system (CNS) is ________
Weaker than the immune response in the peripheral nervous system (PNS).
Faster than the immune response in the peripheral nervous system (PNS).
Slower than the immune response in the peripheral nervous system (PNS) but just as strong.
More intense than the immune response in the peripheral nervous system (PNS).
Which lobe of the cerebral cortex is dedicated to the control of movement and decision making?
Frontal lobe
Occipital lobe
Temporal lobe
Parietal lobe
Voluntary intentional movements of the skeletal muscles are controlled by the ________
Somatic nervous system
Sympathetic nervous system
Autonomic nervous system
Parasympathetic nervous system
Which branch of the nervous system can be characterized as the “rest-and-digest” system?
Somatic
Parasympathetic
Autonomic
Sympathetic
Up to 80% of the brain’s neurons can be found in ________
the cerebral cortex
The sympathetic nervous system
the cerebellum
The ganglia
Sensory neurons move the muscles
True
False
One function of microglia is to clean up the debris in the nervous system.
True
False
Axon
Carry electoral impulses to communicate between the brain and the rest in the body
The cell body of the cell, supply energy and proteins to axons
Projections that receive signals from other neurons
Soma
Arry electoral impulses to communicate between the brain and the rest in the body
Projections that receive signals from other neurons
The cell body of the cell, supply energy and proteins to axons
Dendrites
The cell body of the cell, supply energy and proteins to axons
Carry electoral impulses to communicate between the brain and the rest if the body.
Projections that receive signals from other neurons
The point at which one neuron’s axon terminal contacts the next neuron’s dendrite is the
Soma
Synapse
Dendritic spine
Axon hillock
Because the cell membrane is permeable to some ions and relatively impermeable to others is why the neuron has
Dendrites
Axons
A membrane potential
Mitochondria
One function of the ion channels in the neuronal membrane is to
synthesize neurotransmitters
Selectively allow ions to enter or leave the neuron
Provide nutrients for the neuron
Form an impermeable barrier
When a neuron is resting, the inside of the neuron
Is positively charged with respect to the outside
Converts potential energy into chemical energy
Is negatively charged with respect to the outside
is not charged
__________ are charged molecules
Neurotransmitters
G proteins
Ions
Second messengers
Sodium ions are concentrated in the __________________ space.
Extracellular
Intracellular
Depolarized
Intracellular and extracellular
_______ would tend to move into the neuron based on both the electrical gradient and concentration gradient
Water
Chloride ions
Potassium ions
Sodium ions
The sodium-potassium pump forces sodium ions ______ the cell and potassium ions_________ the cell.
Into; out of
Out of; out of
Out of; into
Into; into
_________________ are the neuron’s means of transmitting information.
Hyperpolarizations
Refractory potentials
Action potentials
Depolarizations
The term depolarization refers to
Making the inside of a neuron more negative.
Changes in signal speed of myelinated axons.
A weaker action potential.
Making the inside of a neuron less negative
If depolarization of the neuronal membrane reaches threshold the result is
Opening of sodium ion channels
hyperpolarization
opening of calcium ion channels.
Opening of chloride ion channels
Where are synaptic vesicles stored?
The axon terminals
The synaptic cleft
The synapse
The soma
Saltatory conduction occurs in
Unmyelinated dendrites
Myelinated dendrites
Unmyelinated axons
Myelinated axons
The neurotransmitter binds to a structure on the postsynaptic neuron called a
Receptor
Reuptake pump
Synaptic cleft
Neurotransmitter cleft
If different postsynaptic potentials occur at the same time but at different locations, then ______________________ is occurring.
Synaptic summation
Temporal summation
Spatial summation
Simultaneous summation
If different postsynaptic potentials arrive at the same location but in a rapid sequence, then ______________________ is occurring
Simultaneous summation
Neural summation
Synaptic summation
Temporal summation
The typical resting potential of a neuron is
35 mV
70 mV
–70 V
70 mV
What determines how frequently an action potential can be generated?
None of the options are correct
The refractory period
The number of voltage dependent ion channels.
Internal sodium (Na+) levels
The membrane potential that must be reached to trigger the opening of voltage-gated sodium (Na+) channels (and initiating an action potential) is the
Spike potential
Threshold
Initiation potential
Depolarization potential
Action potentials tend to originate from the
Axon hillock
Axon terminal
Dendritic spine
Soma
The release of neurotransmitters from the vesicles is known as
Emission
excitation
Exocytosis
emesis
Sodium want_____ potassium wants _____.
In,out
Out,in
In,in
Out,out
Out,in
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