WorksheetsLecture Outcomes on Parkinson's Disease and Alzheimer's Disease
Total questions: 26
Worksheet time: 13mins
At what percentage of dopamine neuron loss do symptoms of Parkinson's Disease typically appear?
50%
80%
30%
100%
Which of the following is a common symptom of Parkinson's disease?
Mask-like, blank expression
Sudden weight gain
Increased energy levels
Improved motor coordination
What is a characteristic symptom of Stage 1 Parkinson's Disease?
Tremor of one hand
Loss of facial expression on both sides
Balance is compromised
Patients fall when standing or turning
At which stage of Parkinson's Disease do symptoms include loss of balance and slowness of movement?
Stage 1
Stage 2
Stage 3
Stage 5
Which symptom is associated with Stage 5 Parkinson's Disease?
Rigidity of the muscles in the trunk
Patients fall when standing or turning
Inability to make rapid, automatic adjustments
Tremor of one hand
What is the role of MAO-B inhibitors in drug treatment?
Mimic dopamine
Replace dopamine
Preserve existing dopamine
Inhibit dopamine receptors
What is the mechanism of action (MOA) of dopamine agonists?
Inhibit dopamine receptors in the striatum
Directly activate dopamine receptors in the striatum
Block serotonin receptors in the brain
Increase acetylcholine levels in the striatum
Why are ergot derivatives like bromocriptine and pergolide not used in Malaysia?
Due to high cost
Due to fibrosis risk
Due to lack of availability
Due to low efficacy
Which of the following is a side effect of dopamine agonists related to impulse control disorders?
Gambling, binge eating, hypersexuality
Reduced appetite
Improved sleep quality
Enhanced concentration
Which of the following is a side effect of dopamine agonists that occurs especially during the daytime?
Sudden sleep attacks
Hallucinations
Nausea
Hypotension
What is the most effective symptomatic therapy for levodopa?
Levodopa alone
Levodopa combined with dopa-decarboxylase inhibitor (DDCI)
Levodopa combined with dopamine agonists
Levodopa combined with anticholinergics
What is achieved with lower doses of levodopa combined with DDCI?
Reduced dopamine production
Effective brain-dopamine concentrations
Increased side effects
Decreased effectiveness of the treatment
What happens to the effectiveness of Levodopa after many years of use?
It becomes more effective
It remains equally effective
It becomes less effective
It has no effect
Which of the following is NOT a side effect of Levodopa?
Hallucinations
Orthostatic hypotension
Improved digestion
Nausea and vomiting
What is the primary function of the MAO-B enzyme in the brain?
Breaking down dopamine
Increasing serotonin levels
Producing dopamine
Inhibiting neurotransmitters
When are MAO-B inhibitors typically used in treatment?
Early or as an add-on for 'wearing off' effect
As monotherapy for parkinsonism
After dopamine levels are stabilized
Exclusively for serotonin-related disorders
What type of benefit do MAO-B inhibitors provide?
Mild symptomatic benefit
Complete cure
Severe symptomatic relief
No benefit
What is the primary function of COMT inhibitors in relation to levodopa?
They enhance the production of levodopa.
They inhibit the COMT enzyme to prolong levodopa's effect.
They prevent levodopa from crossing the blood-brain barrier.
They increase the degradation of levodopa in the brain.
Which of the following is a preferred example of a COMT inhibitor?
Tolcapone
Entacapone
Levodopa
Catechol-O-methyltransferase
Which of the following is a side effect of COMT inhibitors?
Diarrhoea
Increased appetite
Weight gain
Hair loss
Which of the following is true about Tolcapone?
It can be used without supervision.
It is reserved for patients controlled with entacapone.
It requires regular liver function tests.
It is associated with kidney toxicity.
What is the primary use of anticholinergics?
Treating bacterial infections
Managing tremor-dominant Parkinson's disease or drug-induced parkinsonism
Reducing inflammation in arthritis
Treating cardiovascular diseases
What is Amantadine primarily classified as?
Strong dopamine releaser
Weak dopamine releaser
Serotonin inhibitor
Acetylcholine enhancer
Which of the following conditions does Amantadine help with?
Anxiety and depression
Tremor and dyskinesia
Insomnia and fatigue
Hypertension and diabetes
Which of the following is NOT a side effect of Amantadine?
Hallucinations
Confusion
Ankle edema
Nausea
What is one of the side effects of Amantadine?
Hallucinations
Weight gain
Increased appetite
Drowsiness
