A nurse is preparing to administer a dose of lactulose to a client who has cirrhosis. The client states, "I don't need this medication. I am not constipated." The nurse should explain that in clients who have cirrhosis, lactulose is used to decrease levels of which of the following components in the bloodstream?
Potassium
Ammonia
Bicarbonate
Glucose
The Correct Answer is B
Choice A rationale
Potassium levels are not directly affected by lactulose. While cirrhosis can lead to imbalances in electrolytes, including potassium, lactulose is not used to manage potassium levels in the bloodstream.
Choice B rationale
Ammonia is produced by the breakdown of proteins in the intestines and is normally processed by the liver. In cirrhosis, the liver's ability to convert ammonia to urea is impaired, leading to increased levels in the blood. Lactulose helps reduce blood ammonia levels by converting it into ammonium, which is then excreted.
Choice C rationale
Bicarbonate levels are related to the body's pH balance and are not the target of lactulose treatment. Cirrhosis does not typically result in bicarbonate imbalances that would be treated with lactulose.
Choice D rationale
Glucose levels are managed by insulin and other metabolic processes, not lactulose. While cirrhosis can affect overall metabolism, lactulose does not have a direct effect on blood glucose levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
A regular diet with no added salt may not be sufficient to address the fluid retention associated with acute glomerulonephritis and peripheral edema.
Choice B rationale
While a low-protein, low-potassium diet may be considered for certain kidney conditions, it does not specifically address the fluid and sodium management needed in acute glomerulonephritis with edema.
Choice C rationale
A low-carbohydrate, low-protein diet is not indicated in this scenario as it does not provide the necessary restrictions on sodium and fluid that are required for a child with edema and oliguria due to acute glomerulonephritis.
Choice D rationale
A low-sodium, fluid-restricted diet is most appropriate for a child with acute glomerulonephritis and peripheral edema. This diet helps manage the edema and prevent further fluid overload, which is crucial in the care of this condition.
Correct Answer is ["A","B","C","E"]
Explanation
Choice A reason: A new ileal conduit is a permanent life change that requires the client to learn complex self-care skills. The uncertainty regarding stoma management, fear of appliance leakage in public, and the lifestyle adjustments required often lead to significant anxiety. The nurse must address these psychological stressors during the initial postoperative period to promote successful adaptation.
Choice B reason: The continuous drainage of urine from the stoma creates a high risk for peristomal skin breakdown. Urine is caustic to the skin, and moisture trapped under the skin barrier can lead to maceration, dermatitis, or fungal infections. Maintaining a secure, well-fitted appliance and assessing the skin frequently are essential nursing interventions for this risk.
Choice C reason: Surgical creation of an ileal conduit involves bowel resection and ureteral implantation, increasing the risk for peritonitis or wound infection. Furthermore, since the conduit is a direct pathway to the kidneys without a sphincter, the client is at lifelong risk for ascending urinary tract infections or pyelonephritis requiring vigilant monitoring.
Choice D reason: While postoperative patients require fluid monitoring, an ileal conduit does not typically cause a chronic fluid volume deficit. Unlike an ileostomy, where significant water and electrolytes are lost through liquid stool, the ileal conduit simply transports urine. Unless there is excessive surgical bleeding or unrelated dehydration, this is not a primary risk.
Choice E reason: The permanent diversion of urine to an external pouch on the abdomen significantly alters the client's physical appearance and "normal" elimination process. Concerns regarding sexual function, clothing choices, and the presence of a stoma frequently lead to a disturbed body image, necessitating supportive counseling and referral to an ostomy nurse.
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