A nurse is caring for a group of clients in a medical unit. Which of the following clients is at the highest risk for developing osmotic cerebral edema?
A client with a decreased potassium level
A client with a decreased serum glucose
A client with an increased hemoglobin A1C
A client with an increased creatinine level
None
None
The Correct Answer is B
Choice A Reason:
A client with a decreased potassium level is incorrect. Hypokalemia (decreased potassium level) can cause various neurological symptoms, but it doesn't directly lead to osmotic cerebral edema.
Choice B Reason:
When plasma glucose levels are rapidly lowered, an osmotic gradient develops between the brain and plasma, which can lead to cerebral edema. Brain cells pull water from the plasma, resulting in widespread edema.
Choice C Reason:
While HbA1c is an important marker of diabetes control and may indicate poor long-term management, it does not directly relate to the acute metabolic derangements (e.g., rapid osmotic shifts, severity of acidosis) that predispose to cerebral edema in DKA.
Choice D Reason:
A client with an increased creatinine level is incorrect. Elevated creatinine levels typically indicate kidney dysfunction or dehydration, but they don't directly cause osmotic cerebral edema.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
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.
Correct Answer is D
Explanation
Choice A Reason:
Repeating the same question over and over is incorrect. Repeating the same question over and over is not a desired outcome of client education. It may indicate confusion or cognitive impairment rather than effective learning and understanding of COPD management.
Choice B Reason:
Awareness of COPD manifestations is incorrect. This is a desirable outcome of client education. Increasing the client's awareness of COPD manifestations, such as dyspnea, coughing, and sputum production, can help them recognize exacerbations early and take appropriate action to manage their condition.
Choice C Reason:
Anxiety and restlessness is incorrect. Anxiety and restlessness are not desired outcomes of client education. While anxiety is common in individuals with COPD due to the chronic nature of the condition and its impact on daily activities, education should aim to reduce anxiety by providing information and strategies for coping with COPD-related symptoms and challenges.
Choice D Reason:
Motivation and engagement of the client is correct. This is a desirable outcome of client education. Motivating and engaging the client in their own care empowers them to take an active role in managing their COPD and improving their quality of life. Education should provide information, support, and encouragement to help the client feel motivated and engaged in self-management strategies.
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