A client with chronic alcoholism has been found to have Wernicke encephalopathy. What is this irreversible complication characterized by?
Thiamine deficiency
Hypothalamic and mammillary body lesions
Inability to learn new skills and short-term memory loss
Double vision and rapid eye movement
The Correct Answer is B
A. Wernicke encephalopathy is caused by thiamine (Vitamin B1) deficiency, but it is not characterized by thiamine deficiency itself.
B. Wernicke encephalopathy is characterized by lesions in the hypothalamus and mammillary bodies in the brain.
C. While cognitive impairment may be present, this is not the primary characteristic of Wernicke encephalopathy.
D. Double vision and rapid eye movement are symptoms of Wernicke encephalopathy, but they are not the irreversible complication itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A) Incorrect. Naltrexone does not primarily target withdrawal symptoms. It works by blocking the pleasurable effects of alcohol, reducing the reinforcement that leads to craving.
B) Correct. Naltrexone is an opioid antagonist that reduces the craving for alcohol. It does this by blocking the opioid receptors in the brain, which are involved in the pleasurable effects of
alcohol consumption.
C) Incorrect. Naltrexone is not primarily used to manage anxiety. Its main purpose is to help individuals reduce or stop their alcohol intake.
D) Incorrect. Naltrexone is not primarily used to treat depressive symptoms. Its focus is on reducing alcohol cravings.
Correct Answer is C
Explanation
A) Incorrect. Thyroxine is a hormone produced by the thyroid gland and is not directly implicated in the etiology of schizophrenia.
B) Incorrect. Erythropoietin is a hormone that stimulates the production of red blood cells and is not directly implicated in the etiology of schizophrenia.
C) Correct. Glutamate, an excitatory neurotransmitter, has been implicated in the development of schizophrenia. Abnormalities in glutamate signaling have been identified in individuals with schizophrenia.
D) Incorrect. While serotonin abnormalities have been associated with mood disorders such as depression, they are not considered a primary factor in the etiology of schizophrenia.
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