A nurse is teaching a student about cerebral edema. The student nurse asks, "What type of cerebral edema is associated with a client who has a stroke?" Which of the following is the best response from the nurse?
Vasogenic cerebral edema
Osmotic cerebral edema
Cellular cerebral edema
Interstitial cerebral edema
The Correct Answer is A
Choice A Reason:
Vasogenic cerebral edema is appropriate response. Vasogenic cerebral edema occurs due to disruption of the blood-brain barrier (BBB), leading to leakage of fluid and proteins from the blood vessels into the brain parenchyma. This type of cerebral edema is commonly associated with conditions such as brain tumors, abscesses, and ischemic stroke.
Choice B Reason:
Osmotic cerebral edema is inappropriate response. Osmotic cerebral edema occurs when there is an imbalance of osmotic forces across the blood-brain barrier, leading to the movement of water into the brain cells. This type of cerebral edema can result from conditions such as hyponatremia or the administration of hypertonic solutions.
Choice C Reason:
Cellular cerebral edema is inappropriate response. Cellular cerebral edema involves the swelling of brain cells (neurons and glial cells) due to various insults, such as ischemia, hypoxia, or metabolic disturbances. This type of cerebral edema can occur in conditions such as ischemic stroke or traumatic brain injury.
Choice D Reason:
Interstitial cerebral edema is incorrect response. Interstitial cerebral edema involves the accumulation of fluid within the interstitial spaces of the brain tissue. This type of cerebral edema can occur in conditions such as hydrocephalus, where there is obstruction of cerebrospinal fluid (CSF) flow.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
Choice A Reason:
Epithelial cells is correct. Epithelial cells lining the airways play a role in initiating the inflammatory response in asthma by releasing cytokines and other inflammatory mediators. These cells can contribute to the circulatory surge of inflammatory cells and cytokines seen in status asthmaticus.
Choice B Reason:
OT lymphocytes is incorrect. There is no specific cell type known as "OT lymphocytes." It's possible this may refer to T lymphocytes (T cells), which are involved in the immune response in asthma but are not typically associated with a circulatory surge in status asthmaticus.
Choice C Reason:
Hyperreactivity is incorrect. Hyperreactivity refers to the exaggerated response of the airways to various stimuli, leading to bronchoconstriction and inflammation. While hyperreactivity is a characteristic feature of asthma, it does not directly contribute to a circulatory surge of inflammatory cells and cytokines.
Choice D Reason:
Mast cells is correct. Mast cells are key players in the pathophysiology of asthma. They release various inflammatory mediators, including histamine and leukotrienes, which contribute to airway inflammation, bronchoconstriction, and mucus production. Mast cells can participate in the circulatory surge of inflammatory cells and cytokines in status asthmaticus.
Choice E Reason:
Inflammation is correct. Inflammation is a hallmark feature of asthma and plays a central role in the pathogenesis of status asthmaticus. The inflammatory response involves the recruitment and activation of various inflammatory cells, release of cytokines, and other mediators that contribute to airway obstruction and systemic effects.
Correct Answer is C
Explanation
Choice A Reason:
Placing the client on clear liquids might not be appropriate in this situation because absent bowel sounds in the lower abdominal quadrants could indicate a more serious gastrointestinal issue such as ileus or bowel obstruction. Clear liquids may exacerbate these conditions and are not sufficient to address the underlying problem. Therefore, this option is not recommended until the cause of absent bowel sounds is identified and addressed.
Choice B Reason:
Performing a hemoccult blood test is not directly relevant to the situation described. Hemoccult tests are used to detect occult (hidden) blood in stool, which can be indicative of gastrointestinal bleeding. While it's important to assess for gastrointestinal bleeding in some cases, absent bowel sounds in the lower abdominal quadrants suggest a more immediate concern related to gastrointestinal motility rather than bleeding. Therefore, this option is not the most appropriate action at this time.
Choice C Reason:
Inserting a nasogastric tube is the most appropriate action in this scenario. Absent bowel sounds in a client with a spinal cord injury can indicate neurogenic bowel dysfunction, which may lead to abdominal distention and discomfort. Inserting a nasogastric tube can help decompress the stomach and intestines, reducing the risk of complications such as aspiration and providing relief from discomfort. It can also help manage gastrointestinal complications until further assessment and interventions can be implemented.
Choice D Reason:
Forcing the intake of fluids may not be appropriate without further assessment and could potentially worsen the client's condition if there is an underlying gastrointestinal issue leading to absent bowel sounds. Additionally, forcing fluids may not address the potential issue of gastrointestinal bleeding.
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