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