17043847
Descripción
Test por Catriona Wilds, actualizado hace más de 1 año
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Creado por Catriona Wilds
hace más de 5 años
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Pregunta 1
Pregunta
Which of the following is NOT true of a benign tumour...
Respuesta
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Benign tumours cause damage through the process of compression
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Benign tumours damage brain tissue by infiltration
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The flow of CSF can be shut off by a growing benign tumour
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Benign tumours are encapsulated
Pregunta 2
Pregunta
A(n) _________ is an example of a malignant tumour derived from glial cells.
Respuesta
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Meningioma
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Pinealoma
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Angioma
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Metastatic oligodendrocytoma
Pregunta 3
Pregunta
Partial seizures...
Respuesta
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Are more severe than generalized seizures
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Involve the motor system
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Involve widespread brain regions
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Originate from a definite focus or source within the brain
Pregunta 4
Pregunta
After surgery to relieve seizures, neuropsychological function may...
Respuesta
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Decline due to scarring
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Stay the same
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Improve due to the release of compensatory mechanisms
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Improve due to increase in compensatory mechanisms
Pregunta 5
Pregunta
The mode of action of most anticonvulsant drugs involves...
Respuesta
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blocking dopamine receptors
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enhancing the effectiveness of inhibitory synapses in the brain
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damping the outflow of the basal ganglia
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blocking GABA receptors
Pregunta 6
Pregunta
Prolonged interruption of the blood supply to a region of the brain results in...
Respuesta
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Vasoconstriction
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Hyperglycaemia
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Ischaemia
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Vasodilation
Pregunta 7
Pregunta
The cause of a neuron cell death after a stroke usually involves...
Respuesta
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Interruption of the glycogen delivery to the cell
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Reduced neuronal firing produced by tissue compressions
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Abnormally high synpatic levels of glutamate
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The loss of oxygen radicals within glial cells
Pregunta 8
Pregunta
A key pathway through which alcohol disrupts normal brain development is by interfering with...
Respuesta
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A protein that helps guide neuronal growth in the developing brain
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The conversion of phenylalanine into tyrosine
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The function of glial membrane sodium-potassium transporters
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The processes that terminate the formation of new neurons
Pregunta 9
Pregunta
What is thought to cause the rigidity and tremors associated with Parkinson's Disease...
Respuesta
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Degeneration of the serotonin-producing cells of the substantia nigra
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Excessive activity in the ventrolateral thalamus
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Degeneration of the caudate nucleus and putamen
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Degeneration of the dopamine-producing cells of the substantia nigra
Pregunta 10
Pregunta
Which of the following is not used to treat Parkinson's Disease?
Respuesta
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L-Dopa
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Dopamine agonists
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Neurosurgery
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Cholinergic agonists
Pregunta 11
Pregunta
An autoimmune reaction that damages _______ is the cause of multiple sclerosis.
Respuesta
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The myelin sheaths surrounding nerve cells
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Presynaptic muscarinic receptors
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Acetylcholinergic neruons
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GABAergic neurons
Pregunta 12
Pregunta
The etiology of Multiple Sclerosis may involve...
Respuesta
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Damage to the blood-brain barrier by a virus
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Lack of an enzyme needed for myelinisation
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The formation of neurofibrillary tangles
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The formation of β-amyloid protein
Pregunta 13
Pregunta
The symptoms of multiple sclerosis can be partially alleviated by...
Respuesta
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Administration of interferon α
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Drugs that block acetycholinesterase
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Administration of interferon β
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Drugs that block glutamate receptors
Pregunta 14
Pregunta
The herpes simplex virus...
Respuesta
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Usually causes cold sores
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Can cause herpes encephalitis
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Usually lives within the 5th cranial nerve
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All of the above
Pregunta 15
Pregunta
Neurological damage occurs in HIV...
Respuesta
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Because HIV crosses the blood-brain barrier
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Because glycoprotein gp120 triggers cell suicide
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Because of an increase in GABA receptor sites
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Because of mutations of presenilin genes
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