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 A
Explanation
Choice A Reason:
Falls is correct. Among individuals aged 65 years and older, falls are the most common cause of spinal cord injuries. As people age, they may experience changes in balance, mobility, and bone density, which can increase their risk of falling. Falls can occur both at home and in other environments, such as during outdoor activities or in healthcare settings. Spinal cord injuries resulting from falls in older adults can have significant consequences, including decreased mobility, chronic pain, and loss of independence.
Choice B Reason:
Gunshot wounds is incorrect. Gunshot wounds can cause spinal cord injuries, but they are not the most common cause for individuals aged 65 years and older. Gunshot wounds tend to be more common in younger age groups or in specific contexts such as violence-related incidents, which are less frequent in older adults.
Choice C Reason:
Sporting accidents is incorrect. Sporting accidents can also lead to spinal cord injuries, especially in younger and more active individuals participating in high-impact sports. However, among individuals aged 65 years and older, participation in sporting activities that could result in spinal cord injuries is generally less common compared to younger age groups.
Choice D Reason:
Motor vehicle accidents is incorrect.
Motor vehicle accidents can cause spinal cord injuries, but they are not as common in the elderly population as they are in younger age groups. Older adults may have reduced driving frequency or may be more cautious on the road, which decreases their risk of motor vehicle accidents compared to younger individuals.
Correct Answer is ["A","B","C","D","E","F"]
Explanation
Choice A Reason:
Refraining from climbing ladders is appropriate. Climbing ladders involves a risk of falling, which can be particularly hazardous for individuals with epilepsy. Seizures can occur unexpectedly and may cause loss of muscle control or consciousness, increasing the risk of falls from heights such as ladders. Falling from a ladder during a seizure can result in serious injuries, including head trauma, fractures, or other injuries from impact. Advising the client to refrain from climbing ladders helps mitigate the risk of falls and associated injuries during a seizure episode, promoting their safety and well-being.
Choice B Reason:
Do not go swimming without a partner is inappropriate. Swimming alone can be dangerous for individuals with epilepsy as they may be at risk of drowning if they experience a seizure while in the water. Having a swimming partner can provide assistance and ensure safety in case of a seizure.
Choice C Reason:
Refraining from driving unless seizure-free for 3 months is appropriate. Driving restrictions are often recommended for individuals with epilepsy to minimize the risk of accidents caused by seizures. Many jurisdictions require individuals with epilepsy to be seizure-free for a certain period, typically around 3 to 6 months, before resuming driving.
Choice D Reason:
Avoiding using power tools is appropriate. Operating power tools or machinery can be hazardous if a seizure occurs, potentially leading to serious injuries. Therefore, individuals with epilepsy should avoid using power tools to reduce the risk of accidents during a seizure.
Choice E Reason:
Placing client on the floor when having a seizure is appropriate. Placing the client on the floor during a seizure helps prevent injury from falls. It is safer to have the individual lie down on a flat surface to reduce the risk of head injury or other trauma during the seizure.
Choice F Reason:
Placing client on their back when they are recovering from a seizure appropriate. Placing the client on their back after a seizure helps maintain an open airway and facilitates recovery. This position allows for proper breathing and circulation while monitoring the individual's condition.
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