A nursing instructor is teaching about donepezil (Aricept). A student asks, "How does this work? Will this cure Alzheimer's disease (AD)?" Which appropriate statement will the instructor make?
"Donepezil (Aricept) encourages production of acetylcholine, a chemical in the brain necessary for memory processes. It delays the progression of the disease."
"Donepezil (Aricept) delays the destruction of dopamine, a chemical in the brain necessary for memory processes. Although most effective in the early stages, it serves to delay, but not stop, the progression of the disease."
"Donepezil (Aricept) delays the destruction of acetylcholine, a chemical in the brain necessary for memory processes. Although most effective in the early stages, it serves to delay, but not stop, the progression of the disease."
"Donepezil (Aricept) encourages production of dopamine, a chemical in the brain necessary for memory processes. It delays the progression of the disease."
The Correct Answer is C
A. "Donepezil (Aricept) encourages production of acetylcholine, a chemical in the brain necessary for memory processes. It delays the progression of the disease.": This statement is partially correct. Donepezil inhibits the breakdown of acetylcholine rather than encouraging its production. However, it correctly states that it delays the progression of Alzheimer's disease.
B. "Donepezil (Aricept) delays the destruction of dopamine, a chemical in the brain necessary for memory processes. Although most effective in the early stages, it serves to delay, but not stop, the progression of the disease.": This is incorrect because Alzheimer's disease primarily involves acetylcholine, not dopamine.
C. "Donepezil (Aricept) delays the destruction of acetylcholine, a chemical in the brain necessary for memory processes. Although most effective in the early stages, it serves to delay, but not stop, the progression of the disease.": This is the correct statement. Donepezil is a cholinesterase inhibitor that helps maintain acetylcholine levels in the brain, which is important for memory and cognitive function. It does not cure Alzheimer's disease but can slow its progression.
D. "Donepezil (Aricept) encourages production of dopamine, a chemical in the brain necessary for memory processes. It delays the progression of the disease.": This is incorrect because donepezil does not affect dopamine levels significantly in the context of Alzheimer's disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is []
Explanation
Potential Condition
Bulimia nervosa: The client has a BMI of 18.5, which is on the lower end of normal, indicating possible weight issues, but not the severe underweight typical of anorexia nervosa. The client describes cycles of binge eating followed by compensatory behaviors such as purging (using laxatives), which are characteristic of bulimia nervosa. The client expresses a preoccupation with food and body weight, and feelings of embarrassment about their eating habits, which align with bulimia nervosa.
Actions to Take
1. Assess binging and purging patterns: It's crucial to understand the frequency, triggers, and methods of binging and purging to tailor interventions effectively and to monitor the severity and progression of bulimia.
2. Encourage client to identify triggers for overeating: Identifying triggers for binging can help the client develop healthier coping mechanisms and reduce the occurrence of binge eating episodes.
Parameters to Monitor
1. Electrolyte levels: Frequent use of laxatives and purging behaviors can lead to electrolyte imbalances, which are potentially life-threatening and must be monitored regularly.
2. Frequency of compensatory behaviors: Tracking the frequency of purging behaviors (such as laxative use) helps assess the effectiveness of interventions and the client’s progress in reducing harmful behaviors.
Incorrect answers:
Actions to Take:
- Assess for and discourage provocative or seductive behaviour: This is more relevant to histrionic personality disorder, not bulimia nervosa.
- Weigh daily for the first week: While weighing the client can be part of the monitoring process, daily weigh-ins can increase anxiety and may not directly address the core issues of bulimia.
- Assess for consumption of right food items: While dietary intake is important, focusing solely on food items without addressing the psychological aspects may not be effective for treating bulimia.
Parameters to Monitor:
- Attention-seeking behaviours: More relevant to histrionic personality disorder than bulimia nervosa.
- Signs of infection: Not directly relevant unless there is evidence of a related health issue or a compromised immune system, which is not indicated in the provided information.
- Presence of lanugo: Lanugo is more commonly associated with anorexia nervosa due to severe malnutrition, not bulimia.
Correct Answer is C
Explanation
A. "I just don't remember what I did this morning." This statement reflects an inability to recall the events of the morning, which is a common symptom in Alzheimer's disease but does not constitute confabulation. It simply indicates memory loss.
B. "This morning, this morning, this morning..." Repetition of words or phrases can indicate a language or communication issue often seen in Alzheimer's disease but is not an example of confabulation. It may reflect confusion or perseverance.
C. "It was good. The Queen of England visited me there." Confabulation involves the creation of false memories or statements to fill in gaps in memory. The client's statement about the Queen of England visiting is a fabricated or distorted memory and is an example of confabulation. This choice is correct.
D. "Snip, snap. Take a nap." This phrase is nonsensical and may indicate disorganized thinking or speech, which can occur in Alzheimer's disease, but it is not an example of confabulation. It does not fill a memory gap with a fabricated story. Therefore, this choice is incorrect.
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