The nurse is caring for a client who suffered a stroke 3 days ago and is assessing the client's state of arousal.
The nurse knows that the part of the body responsible for a person being alert or aroused is the
adrenal glands.
renin-angiotensin-aldosterone system.
cranial nerves.
reticular activating system.
The Correct Answer is D
Choice A rationale
The adrenal glands primarily produce hormones that regulate metabolism, immune system, blood pressure, stress response, and other essential functions. While these hormones are crucial for overall bodily function and indirectly influence alertness and arousal, they are not the primary neurological structures responsible for maintaining a conscious and aroused state.
Choice B rationale
The renin-angiotensin-aldosterone system (RAAS) is a hormonal system that regulates blood pressure and fluid balance. While changes in blood pressure and fluid balance can affect overall well-being and indirectly influence alertness, the RAAS is not the neurological center responsible for a person's state of arousal.
Choice C rationale
Cranial nerves are a set of twelve paired nerves that emerge directly from the brain. They are responsible for a wide range of sensory and motor functions, including vision, hearing, taste, smell, facial movements, and swallowing. While some cranial nerves contribute to sensory input that can influence alertness, they are not the central structure responsible for maintaining arousal itself.
Choice D rationale
The reticular activating system (RAS) is a network of neurons located in the brainstem that plays a crucial role in regulating wakefulness, alertness, and the sleep-wake cycle. It filters incoming sensory information and relays important signals to the cerebral cortex, maintaining a state of arousal and consciousness. Damage to the RAS, such as that which can occur following a stroke, can lead to altered levels of consciousness. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
Choice A rationale
Moderate consumption of red wine has been associated with potential cardiovascular benefits, primarily attributed to the presence of antioxidants like resveratrol. Resveratrol may help prevent damage to blood vessels, reduce low-density lipoprotein (LDL) cholesterol (the "bad" cholesterol), and prevent blood clots. However, these potential benefits must be balanced against the risks associated with alcohol consumption.
Choice B rationale
Generally, three glasses of red wine would be considered beyond moderate alcohol consumption for most individuals. Moderate drinking is typically defined as up to one drink per day for women and up to two drinks per day for men. Three glasses could lead to significant impairment, increased risk of accidents, and potential long-term health consequences associated with excessive alcohol intake.
Choice C rationale
Individuals with liver disease should generally avoid alcohol consumption altogether. The liver is the primary organ responsible for metabolizing alcohol, and liver disease impairs this function. Consuming alcohol can further damage the liver, exacerbate existing conditions, and lead to serious complications.
Choice D rationale
Alcohol is a diuretic, meaning it increases urine production. This diuretic effect can lead to dehydration if fluid intake does not adequately compensate for the increased fluid loss through urination. Therefore, consuming three glasses of red wine, without sufficient water intake, can contribute to dehydration.
Correct Answer is A
Explanation
Choice A rationale
An older adult client without family support who is uncertain about a significant life change like moving to assisted living is particularly vulnerable. The nurse advocate can help this client understand their options, express their concerns, and ensure their wishes are considered, as they may lack the resources or confidence to navigate this process independently, making advocacy crucial for their well-being and autonomy.
Choice B rationale
A client who makes an informed decision to refuse chemotherapy is exercising their autonomy. While the nurse supports this decision, the client is already empowered and making their own choices based on understanding, thus requiring less direct advocacy in the sense of ensuring their voice is heard or their rights are upheld against potential opposition.
Choice C rationale
A client undergoing a repeat procedure is likely familiar with the process and has presumably consented previously. While the nurse ensures they are still informed and comfortable, the need for strong advocacy to ensure their wishes are respected against external pressures is less pronounced compared to a vulnerable client facing a new and uncertain situation.
Choice D rationale
A client who chooses alternative treatments after being educated on conventional options is also exercising their autonomy based on their values and understanding. The nurse's role is to ensure this decision is informed, but the client is already acting as their own advocate by making a conscious choice, reducing the immediate need for external advocacy.
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