The client with Parkinson's disease prescribed carbidopa to be used in combination with levodopa asks the nurse why this has been prescribed. The nurse's best response would be:
a. "The carbidopa prevents levodopa breakdown, so you'll need less levodopa."
b. "With an increase in your levodopa, the carbidopa will give you better relief of your symptoms."
c. "The carbidopa increases the speed at which levodopa transforms into dopamine."
d. "The carbidopa decreases the adverse effects of levodopa."
ANS: A
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A Correct: This is the action of carbidopa in the combination product.
B Incorrect: It allows for a decrease in the dosage of levodopa.
C Incorrect: This is not the action of carbidopa.
D Incorrect: This is not the direct action of carbidopa.
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