17041760
Beschreibung
Quiz von Catriona Wilds, aktualisiert more than 1 year ago
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Erstellt von Catriona Wilds
vor mehr als 5 Jahre
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Frage 1
Frage
The peripheral nervous system comprises...
Antworten
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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
Frage 2
Frage
A movement of the resting potential from -70mV to -85mV would be termed...
Antworten
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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
Frage 3
Frage
What is the typical membrane potential of a resting neuron?
Antworten
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-70mV
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+70mV
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-30mV
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+30mV
Frage 4
Frage
Which type of neurons would be described as having afferent axons?
Antworten
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interneurons
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sensory neurons
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glial cells
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motor neurons
Frage 5
Frage
During an EPSP...
Antworten
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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
Frage 6
Frage
Neuropeptides are...
Antworten
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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
Frage 7
Frage
A small depolarising current applied to a neuron at rest will...
Antworten
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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
Frage 8
Frage
Schwann cells myelinate...
Antworten
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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
Frage 9
Frage
When the action potential reaches the axon terminal it stimulates the release of neurotransmitter by causing ________ to open.
Antworten
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potassium ions
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calcium ions
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synaptic vesicles
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synaptic bouton
Frage 10
Frage
The neurotransmitter molecules travel across the synaptic cleft by...
Antworten
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active transport
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electrostatic pressure
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diffusion
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sodium potassium pump
Frage 11
Frage
Which of the following is not an anatomical term?
Antworten
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posterior
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sagittal
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medial
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crown
Frage 12
Frage
The hindbrain consists of the...
Antworten
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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
Frage 13
Frage
The _____ plays a role in vision.
Antworten
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brain stem
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inferior colliculus
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medial colliculus
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superior colliculus
Frage 14
Frage
In which area of the brain is the amygdala?
Antworten
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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
Frage 15
Frage
In humans, there are traditionally ___ pairs of cranial nerves.
Antworten
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10
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11
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12
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13
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