A nurse is caring for a client admitted with meningitis. The student nurse asks, "I know that the client has a lot of edemas in the brain, but what causes it?" Which of the following responses from the nurse best answers the student's question?
"Cerebral edema is caused by osmotic cerebral edema."
"Cerebral edema is caused by whole body inflammation which affects the brain the most."
"Cerebral edema is caused by the by-products of the pathogen that causes the meningitis."
"Cerebral edema is caused by cerebrospinal fluid flowing from the intraventricular space to the interstitial area of the brain."
The Correct Answer is C
A. Osmotic edema refers to fluid shifts due to changes in osmotic gradients (as seen in conditions like hyponatremia), not the inflammatory process of meningitis.
B. While inflammation is a key part of the body's response in meningitis, the edema is not a result of generalized whole-body inflammation. The edema is more directly linked to local inflammatory reactions in the brain triggered by the pathogen’s by-products.
C. Bacterial cell walls, endotoxins, and other components released by the bacteria directly stimulate inflammation, causing the breakdown of the BBB and allowing fluid and inflammatory cells to leak into the brain tissue.
D. This description is more aligned with the pathophysiology of conditions like hydrocephalus rather than meningitis. In meningitis, cerebral edema is primarily due to the inflammatory response, not abnormal CSF flow.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
No explanation
Correct Answer is ["A","C","D"]
Explanation
Choice A Reason:
Take small bites of food is correct. Taking small bites of food can help prevent choking and aspiration, particularly during mealtime. It is a recommended practice for individuals with epilepsy to reduce the risk of aspiration if a seizure were to occur during eating.
Choice B Reason:
Liquids should be thickened is incorrect. Thickened liquids are typically recommended for individuals with swallowing difficulties (dysphagia) to help prevent aspiration. However, thickened liquids may not be necessary for all individuals with epilepsy unless specifically indicated based on their swallowing function assessment.
Choice C Reason:
Eat sitting slightly forward correct.: Eating while sitting slightly forward can help prevent aspiration in case of a seizure during meals. This position allows gravity to assist in preventing food or liquid from entering the airway.
Choice D Reason:
Chew food thoroughly before swallowing is correct. Thoroughly chewing food before swallowing is important for proper digestion and to reduce the risk of choking or aspiration, especially for individuals with epilepsy who may be at increased risk of aspiration during a seizure.
Choice E Reason:
Avoid having conversations while eating is incorrect. Avoiding conversations while eating is not directly related to epilepsy management. However, focusing on eating and taking appropriate precautions, such as sitting upright and chewing food thoroughly, can help reduce the risk of aspiration during meals.
Choice F Reason:
Avoid fiber in the diet is incorrect.: There is no specific recommendation to avoid fiber in the diet for individuals with epilepsy. In fact, a balanced diet that includes fiber-rich foods can promote overall health and well-being, which is important for individuals with epilepsy as well.
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