A client who has a new diagnosis of Parkinson's Disease asks the nurse "Why did I develop this disease? What caused it?" Which response should the nurse provide?
"It develops due to an autoimmune reaction after a recent infection."
"The exact cause is unknown, but it's thought to involve a combination of genetics and environmental factors."
"The cause is thought to be reactivation of a virus in cranial nerve VII."
"It is caused by demyelination of nerves in the brain and spinal cord."
The Correct Answer is B
A. Parkinson's disease is not generally considered to be caused by an autoimmune reaction or a recent infection. Autoimmune reactions leading to neurodegeneration are more commonly associated with other conditions such as multiple sclerosis, not Parkinson's disease.
B. The exact cause of Parkinson's disease is indeed unknown, but research suggests that it results from a combination of genetic predispositions and environmental factors. Genetic mutations may contribute to the development of Parkinson's disease in some individuals, while environmental factors such as exposure to certain toxins or other external influences might also play a role. The interplay between these factors is still being studied.
C. There is no evidence to support the idea that Parkinson's disease is caused by the reactivation of a virus affecting cranial nerve VII (the facial nerve). Parkinson's disease involves the degeneration of dopamine-producing neurons in the brain, not specifically related to viral reactivation or isolated to cranial nerve VII.
D. Demyelination of nerves is characteristic of multiple sclerosis, not Parkinson's disease. In Parkinson's disease, the primary issue is the loss of dopamine-producing neurons in the substantia nigra of the brain, not demyelination. This option describes a different pathological process unrelated to Parkinson's disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. This would indicate adrenal insufficiency, not Cushing syndrome.
B. Elevated adrenocorticotropic hormone (ACTH) and elevated cortisol would indicate Cushing syndrome caused by pituitary adenoma, not adrenal gland hyperplasia.
C. Low adrenocorticotropic hormone (ACTH) and elevated cortisol is consistent with Cushing syndrome caused by adrenal gland hyperplasia. In this condition, the adrenal glands produce excess cortisol independently of ACTH stimulation.
D. Elevated adrenocorticotropic hormone (ACTH) and low cortisol would indicate adrenal insufficiency, not Cushing syndrome.
Correct Answer is D
Explanation
A. While vitamin A can interact with some medications, it does not have a significant effect on verteporfin.
B. Verteporfin does not typically affect blood sugar levels.
C. Verteporfin is usually administered intravenously, so it is not taken orally.
D. Verteporfin is a photosensitizing agent used in photodynamic therapy for age-related macular degeneration. After treatment with verteporfin, the client should avoid sunlight and other intense light for several days to prevent a severe sunburn-like reaction. This is because verteporfin makes the skin and eyes more sensitive to light.
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