Questão 1
Questão
The peripheral nervous system comprises...
Responda
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the nervous system outside the brain and spinal cord
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the spinal cord
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The spinal cord and cranial nerves
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The sensory and motor neurons
Questão 2
Questão
A movement of the resting potential from -70mV to -85mV would be termed...
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a hyperpolarisation
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an action potential
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a depolarisation
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a threshold point
Questão 3
Questão
What is the typical membrane potential of a resting neuron?
Questão 4
Questão
Which type of neurons would be described as having afferent axons?
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interneurons
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sensory neurons
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glial cells
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motor neurons
Questão 5
Questão
During an EPSP...
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sodium ions enter the cell
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sodium ions leave the cell
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calcium ions leave the cell
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potassium ions enter the cell
Questão 6
Questão
Neuropeptides are...
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the waste products of neurotransmitter release
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amino acid chains that act as neuromodulators
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the only neurotransmitter in the CNS
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none of the above
Questão 7
Questão
A small depolarising current applied to a neuron at rest will...
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trigger an action potential
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reduce the membrane potential
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cause no change in the neuron
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cause hyperpolarisation
Questão 8
Questão
Schwann cells myelinate...
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all neurons
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just interneurons
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axons in PNS
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axons in the CNS
Questão 9
Questão
When the action potential reaches the axon terminal it stimulates the release of neurotransmitter by causing ________ to open.
Responda
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potassium ions
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calcium ions
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synaptic vesicles
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synaptic bouton
Questão 10
Questão
The neurotransmitter molecules travel across the synaptic cleft by...
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active transport
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electrostatic pressure
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diffusion
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sodium potassium pump
Questão 11
Questão
Which of the following is not an anatomical term?
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posterior
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sagittal
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medial
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crown
Questão 12
Questão
The hindbrain consists of the...
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medulla, pons, cerebellum
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thalamus, hypothalamus
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superior colliculus, inferior colliculus, substantia nigra
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cerebral cortex, medulla, pons
Questão 13
Questão
The _____ plays a role in vision.
Responda
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brain stem
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inferior colliculus
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medial colliculus
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superior colliculus
Questão 14
Questão
In which area of the brain is the amygdala?
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the substanstia nigra
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the brain stem
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the limbic system
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the red nucleus
Questão 15
Questão
In humans, there are traditionally ___ pairs of cranial nerves.