Summary
Summary ( 14 Questions)
A client with mild parkinsonism is started on oral amantadine (Symmetrel). What statement accurately describes the action of this medication?
This statement accurately describes the action of amantadine, which is a medication that has both antiviral and antiparkinsonian effects. The mechanism of action of amantadine in the treatment of parkinsonism is not fully understood, but it may involve increasing dopamine release in the brain, stimulating norepinephrine response, or activating dopaminergic receptors¹². The other choices are incorrect for the following reasons:
This statement accurately describes the action of amantadine, which is a medication that has both antiviral and antiparkinsonian effects. The mechanism of action of amantadine in the treatment of parkinsonism is not fully understood, but it may involve increasing dopamine release in the brain, stimulating norepinephrine response, or activating dopaminergic receptors¹². The other choices are incorrect for the following reasons:
This statement accurately describes the action of amantadine, which is a medication that has both antiviral and antiparkinsonian effects. The mechanism of action of amantadine in the treatment of parkinsonism is not fully understood, but it may involve increasing dopamine release in the brain, stimulating norepinephrine response, or activating dopaminergic receptors¹². The other choices are incorrect for the following reasons:
This statement accurately describes the action of amantadine, which is a medication that has both antiviral and antiparkinsonian effects. The mechanism of action of amantadine in the treatment of parkinsonism is not fully understood, but it may involve increasing dopamine release in the brain, stimulating norepinephrine response, or activating dopaminergic receptors¹². The other choices are incorrect for the following reasons
This statement accurately describes the action of amantadine, which is a medication that has both antiviral and antiparkinsonian effects. The mechanism of action of amantadine in the treatment of parkinsonism is not fully understood, but it may involve increasing dopamine release in the brain, stimulating norepinephrine response, or activating dopaminergic receptors¹². The other choices are incorrect for the following reasons:
- B. "Dopamine in the central nervous system is decreased". This statement is incorrect because amantadine does not decrease dopamine levels, but rather enhances them. Decreasing dopamine levels would worsen the symptoms of parkinsonism, which are caused by a deficiency of dopamine in the basal ganglia.
- C. "Acetylcholine in the central nervous system is increased". This statement is incorrect because amantadine does not affect acetylcholine levels or activity. Acetylcholine is another neurotransmitter that is involved in the regulation of movement and cognition. Increasing acetylcholine levels would have anticholinergic effects, such as dry mouth, blurred vision, constipation, and confusion.
- D. "Acetylcholine in the central nervous system is decreased". This statement is incorrect because amantadine does not affect acetylcholine levels or activity. Decreasing acetylcholine levels would have cholinergic effects, such as salivation, lacrimation, urination, and diarrhea.