The practical nurse (PN) is providing care for a client suspected of adrenal cortex failure. Which laboratory value would indicate the functioning of the adrenal gland?
Aldosterone levels.
Cortisol levels.
Thyroxine levels.
Insulin levels.
The Correct Answer is B
Choice A reason: Aldosterone is a hormone produced by the adrenal cortex that helps regulate sodium and potassium levels in the body. While aldosterone levels can indicate adrenal function, they are not as commonly used as cortisol levels in diagnosing adrenal cortex failure. Aldosterone regulation is also influenced by the renin-angiotensin-aldosterone system, making it a less direct indicator of overall adrenal cortex function compared to cortisol.
Choice B reason: Cortisol is a glucocorticoid hormone produced by the adrenal cortex and plays a vital role in regulating metabolism, immune response, and stress. Measuring cortisol levels is a primary method for assessing adrenal cortex function. Low cortisol levels can indicate adrenal insufficiency or failure, such as in conditions like Addison's disease. Evaluating cortisol levels provides a direct assessment of the adrenal gland’s ability to produce essential hormones necessary for the body's normal functioning.
Choice C reason: Thyroxine (T4) is a hormone produced by the thyroid gland, not the adrenal cortex. It plays a crucial role in regulating metabolism, growth, and development. While thyroxine levels are important for thyroid function assessment, they do not directly reflect the functioning of the adrenal gland. Therefore, thyroxine levels are not relevant in diagnosing adrenal cortex failure.
Choice D reason: Insulin is a hormone produced by the pancreas and is essential for regulating blood glucose levels. It is not related to the adrenal cortex. Monitoring insulin levels is important for diagnosing and managing diabetes mellitus but does not provide information about the functioning of the adrenal gland. Insulin levels are not used to assess adrenal cortex function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Administering a prescribed analgesic is important for managing the client's pain and improving their comfort. However, before addressing the client's pain, it is crucial to ensure that appropriate infection control measures are in place. Herpes zoster (shingles) is a contagious condition, especially when there are draining lesions. The first priority is to prevent the spread of the infection to other clients and healthcare workers.
Choice B reason: Measuring the client's temperature is important for monitoring for signs of systemic infection, such as fever. While this is a necessary assessment, it is not the most immediate priority. Ensuring that appropriate isolation precautions are in place takes precedence to prevent the transmission of the infection.
Choice C reason: Initiating contact isolation precautions is the most critical action to take first. Herpes zoster can be spread through direct contact with the fluid from the lesions. Implementing contact isolation precautions, such as wearing gloves and gowns, and placing the client in a private room, helps to contain the infection and protect others. This is the first step in managing the client's condition and ensuring a safe environment for all.
Choice D reason: Applying cool, wet compresses to the lesions can help soothe the affected area and provide some relief from the pain and discomfort associated with herpes zoster. However, this is not the immediate priority. The first action should be to implement isolation precautions to prevent the spread of the infection. Once isolation measures are in place, the nurse can then focus on providing symptomatic relief.
Correct Answer is A
Explanation
Choice A reason: A sore throat is a common and expected concern after an endoscopy. During the procedure, an endoscope is passed through the mouth and down the throat to examine the upper gastrointestinal tract, which can cause irritation and discomfort in the throat. This is typically temporary and can be managed with soothing remedies such as warm saltwater gargles or throat lozenges. The practical nurse should reassure the client that a sore throat is a normal side effect and provide appropriate comfort measures.
Choice B reason: Clay-colored stools are not typically associated with an endoscopy. This finding is more indicative of a problem with bile flow, possibly related to liver or gallbladder conditions. The presence of clay-colored stools suggests that bile is not reaching the intestines, which can occur in conditions such as biliary obstruction. While it is an important symptom to report, it is not directly related to the endoscopic procedure.
Choice C reason: Pain in the mid-abdominal area is not a common post-endoscopy concern. While some mild discomfort or bloating can occur due to the air introduced into the stomach during the procedure, severe or persistent mid-abdominal pain is not expected and should be evaluated further. This symptom could indicate a complication such as perforation, which is rare but serious.
Choice D reason: White, chalky emesis is not a typical concern after an endoscopy. This type of emesis may be related to the ingestion of barium, a contrast material used in certain radiologic studies, but it is not associated with an endoscopic examination. If a client experiences white, chalky emesis, further investigation is needed to determine the cause, but it is not a normal post-endoscopy symptom.
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