Chapter 7.1 Flashcards

1
Q

List the classic symptoms of Parkinson’s disease.

A

rigidity, resting tremor, Bradykinesia

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2
Q

State the precursor to dopamine that must be used in treatment of Parkinson’s disease.

A

Levodopa (L-DOPA)

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3
Q

State the role of carbidopa in therapy of Parkinson’s disease.

A

Most of the L-DOPA will be converted to dopamine before it reaches the brain
Carbidopa will help inhibit dopa decarboxylase to prevent premature conversion

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4
Q

List the common side effects of L-DOPA.

A

GI problems, hypotension, behavioral effects

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5
Q

List the types of behavioral changes that may be seen in patients using L-DOPA for Parkinson’s disease.

A

hallucinations, impulsive behaviors like excessive gambling like never before or hyper sexuality

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6
Q

end-of-dose akinesia

A

refers to when the drug’s effectiveness simply seems to wear off prior to the next dose

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7
Q

on-off phenomenon

A

the effectiveness of levodopa may suddenly and spontaneously decrease, resulting in the abrupt worsening of parkinsonian symptoms

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8
Q

State the length of time that L-DOPA therapy may be effective.

A

4-5 years

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9
Q

bromocriptine is a blank type of drug

A

dopamine agonist

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10
Q

entacapone is a blank type of drug

A

COMT inhibitors

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11
Q

benztropine is a blank type of drug

A

anticholinergic agent

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12
Q

selegiline is a blank type of drug

A

MAO inhibitor

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13
Q

amantadine is a blank type of drug

A

Anitviral drug

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14
Q

Dopamine agonists mechanism of action (MOA)

A

Has to cross BBB and stimulate dopamine receptors in basal ganglia. We think that the D2 receptors are the most important

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15
Q

COMT inhibitors (MOA)

A

Help L-Dopa reach the brain as L-Dopa

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16
Q

anticholinergic agents (MOA)

A

decrease acetylcholine influence leading to decreased rigidity and tremor

17
Q

MAO-B inhibitors (MOA)

A

inhibit MAO leading to prolonged dopamine effects in brain

18
Q

amantadine (MOA)

A

blocks NMDA receptors in brain leading to decreased influence of glutamate