In contrast to the sympathetic nervous system, the functions of the parasympathetic nervous system include:

sweating

Pupil dilation

Vasoconstriction

Anabolism

Answer and Explanation

The Correct Answer is D

A) Sweating: Sweating is a function of the sympathetic nervous system, not the parasympathetic nervous system. The sympathetic nervous system is responsible for the "fight or flight" response, which includes activating sweat glands. The parasympathetic system, in contrast, is more involved in "rest and digest" functions.

B) Pupil dilation: Pupil dilation (mydriasis) is mediated by the sympathetic nervous system through the activation of alpha-1 adrenergic receptors. The parasympathetic system causes pupil constriction (miosis) by stimulating muscarinic receptors in the eye, which is the opposite of pupil dilation.

C) Vasoconstriction: Vasoconstriction (narrowing of blood vessels) is generally a
function of the sympathetic nervous system, which releases norepinephrine to constrict blood vessels and increase blood pressure. The parasympathetic system typically causes vasodilation (widening of blood vessels) to promote relaxation and decreased blood pressure.

D) Anabolism: Anabolism refers to the metabolic processes that build up molecules and store energy, such as protein synthesis, cell growth, and energy storage. This is primarily mediated by the parasympathetic nervous system, which is involved in "rest and digest" functions. The parasympathetic system promotes activities that support energy conservation, digestion, and tissue repair, all of which support anabolic processes.

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Correct Answer is A

Explanation

A) Reducing some of the tremors: Benztropine (Cogentin) is an anticholinergic medication commonly used in the treatment of Parkinson's disease to help manage symptoms. It works by blocking the effects of acetylcholine, which can help to restore the balance between acetylcholine and dopamine in the brain. This helps reduce symptoms like tremors and rigidity, which are common in Parkinson’s disease. Although it may not completely eliminate these symptoms, it can significantly reduce tremors, making this the most accurate effect of the drug.

B) Improving mental function: Benztropine is not intended to improve mental function. In fact, anticholinergic medications like benztropine can sometimes cause cognitive side effects, including memory problems or confusion, particularly in older patients. While the drug is effective in reducing motor symptoms, it is not used to enhance cognitive abilities in Parkinson’s disease.

C) Helping the patient to walk faster: Benztropine does not directly improve gait speed or help a patient walk faster. The drug primarily targets motor symptoms like tremors and rigidity rather than improving bradykinesia (slowness of movement), which is often the cause of walking difficulty in Parkinson’s patients. Medications such as levodopa or dopamine agonists are typically used to address issues related to bradykinesia and movement speed.

D) Minimizing symptoms of bradykinesia: While benztropine can help manage tremors and rigidity, it is not particularly effective for bradykinesia, which is the hallmark symptom of Parkinson’s disease. Bradykinesia is best addressed with dopaminergic medications like levodopa or dopamine agonists. Therefore, benztropine would not be the first choice for minimizing bradykinesia symptoms.

A. Risk for dehydration related to Diarrhea B. Diarrhea related to dopaminergic effects C. Risk for injury related to CVS effects and incidence of orthostatic D. hypotension Constipation related to dopaminergic effects

Correct Answer is C

Explanation

A) Risk for dehydration related to diarrhea:
Diarrhea is not a common issue directly associated with Parkinson’s disease or its typical treatments, such as dopaminergic medications. While some medications or conditions can cause gastrointestinal disturbances, dehydration due to diarrhea is not a primary concern in Parkinson’s disease.

B) Diarrhea related to dopaminergic effects:
Dopaminergic medications, such as levodopa, may cause gastrointestinal side effects, but diarrhea is not a primary or common side effect. Typically, dopaminergic effects can lead to constipation, not diarrhea.

C) Risk for injury related to CVS effects and incidence of orthostatic hypotension:
Parkinson's disease can cause autonomic dysfunction, which often leads to orthostatic hypotension increasing the risk of falls and injury. This is a valid and appropriate nursing diagnosis because patients with Parkinson’s disease often experience balance issues and dizziness due to this condition, making them more vulnerable to falls and injury.

D) Constipation related to dopaminergic effects:
While constipation is a common side effect of dopaminergic medications used to treat Parkinson's disease, the more appropriate diagnosis for a patient who has Parkinson’s disease would be one that addresses the immediate risks or complications related to mobility or autonomic dysfunction.

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In contrast to the sympathetic nervous system, the functions of the parasympathetic nervous system include:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient who has Parkinson disease is being treated with the anticholinergic medication benztropine (Cogentin). The nurse will tell the patient that this drug will have which effect?

Correct Answer is A

Explanation

The nurse is caring for a patient with Parkinson’s disease. While writing the care plan for this patient what would be an appropriate nursing diagnosis?

Correct Answer is C

Explanation

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