Question 1
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The nervous system has two major divisions, the [blank_start]central nervous system[blank_end] and the [blank_start]peripheral nervous system[blank_end].
Question 2
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The central nervous system consists of [blank_start]the brain[blank_end] and [blank_start]the spinal cord[blank_end].
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the brain
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the spinal cord
Question 3
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The four principle parts of neurons are: [blank_start]dendrites[blank_end], [blank_start]soma[blank_end], [blank_start]axon[blank_end] and [blank_start]axon terminals[blank_end].
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dendrites
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soma
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axon
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axon terminals
Question 4
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The role of dendrites is to [blank_start]receive information[blank_end] from [blank_start]other neurons[blank_end] or from a [blank_start]stimulus in the environment[blank_end].
Question 5
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The [blank_start]soma[blank_end] of a neuron integrates the information received by dendrites, and decides whether or not to send information of its own.
Question 6
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[blank_start]Axon terminals[blank_end] of a neuron send the neuron's signals to other neurons.
Question 7
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The [blank_start]axon[blank_end] of a neuron carries the neuron's output information.
Question 8
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Information from one neuron is transmitted to another neuron at [blank_start]synapses[blank_end].
Question 9
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The membrane potential at a given time is determined by the [blank_start]distribution of ions[blank_end] across the [blank_start]cell membrane[blank_end].
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distribution of ions
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cell membrane
Question 10
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An action potential is a brief change in [blank_start]membrane potential[blank_end].
Question 11
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During an action potential, the opening of [blank_start]potassium ion channels[blank_end] permits an [blank_start]outflow of potassium ions[blank_end], which eventually returns the membrane potential to its resting value.
Question 12
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During an action potential, the opening of [blank_start]sodium ion channels[blank_end] permits an [blank_start]inflow of sodium ions[blank_end], which depolarizes the neuron.
Answer
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sodium ion channels
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inflow of sodium ions
Question 13
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At terminal buttons, [blank_start]synaptic vesicles[blank_end] contain [blank_start]neurotransmitters[blank_end], which serve as chemical signals for communication between neurons.
Answer
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synaptic vesicles
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neurotransmitters
Question 14
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The neurotransmitter molecules released into a synaptic cleft can open up ion channels on the postsynaptic membrane, which permits [blank_start]ion flow[blank_end] across the postsynaptic membrane.
Question 15
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After ion channels are opened up y neurotransmitter molecules, the flow of ions across the postsynaptic membrane could either have an [blank_start]excitatory[blank_end] effect, which makes the postsynaptic neuron more likely to fire, or have an [blank_start]inhibitory[blank_end] effect, which makes the postsynaptic neuron less likely to fire.
Question 16
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[blank_start]Anterior[blank_end] or [blank_start]rostral[blank_end] refers to the direction toward the front of the brain.
Question 17
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[blank_start]Superior[blank_end] or [blank_start]dorsal[blank_end] refers to the top of the brain.
Question 18
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[blank_start]Inferior[blank_end] or [blank_start]ventral[blank_end] refers to the bottom of the brain.
Question 19
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[blank_start]Posterior[blank_end] or [blank_start]caudal[blank_end] refers to the back of the brain.
Question 20
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[blank_start]Medial[blank_end] means toward the centre of the brain, away from the side.
Question 21
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[blank_start]Lateral[blank_end] means toward the side of the brain, away from the centre.
Question 22
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The brain has three major divisions: the [blank_start]forebrain[blank_end], the [blank_start]midbrain[blank_end], and the [blank_start]hindbrain[blank_end].
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forebrain
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midbrain
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hindbrain
Question 23
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The cerebral hemispheres are covered by the [blank_start]cerebral cortex[blank_end], which is greatly convoluted.
Question 24
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The grey matter mainly consists of [blank_start]cell bodies[blank_end], whereas the white matter mainly consists of [blank_start]axons[blank_end].
Question 25
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The lateral surface of the cerebral cortex is divided into four lobes, [blank_start]frontal[blank_end], [blank_start]parietal[blank_end], [blank_start]temporal[blank_end], and [blank_start]occipital[blank_end] lobes.
Answer
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frontal
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parietal
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temporal
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occipital
Question 26
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The [blank_start]temporal[blank_end] lobe is ventral to the frontal lobe and the parietal lobe.
Question 27
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The [blank_start]occipital[blank_end] lobe is caudal to the parietal and the temporal lobe.
Question 28
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The limbic system includes the [blank_start]limbic cortex[blank_end] (or [blank_start]cingulate gyrus[blank_end]), the [blank_start]hippocampus[blank_end], and the [blank_start]amygdala[blank_end].
Answer
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limbic cortex
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cingulate gyrus
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hippocampus
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amygdala
Question 29
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The [blank_start]basal ganglia[blank_end] of the forebrain and the [blank_start]cerebellum[blank_end] of the hindbrain both play important roles in the control of movement.
Question 30
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The [blank_start]thalamus[blank_end] relays all sensory information (except smell) from sensory organs to the cerebral cortex.
Question 31
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The [blank_start]hypothalamus[blank_end] is the main interface between the brain and the hormonal systems of the body.
Question 32
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The [blank_start]pons[blank_end] of the hindbrain relays information from the cerebral cortex to the cerebellum.
Question 33
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The [blank_start]medulla[blank_end] is the most caudal portion of the brain stem, which regulates vital functions such as breathing and heart rate.