Edema is a hallmark sign of SIADH caused by fluid shifts into the extracellular space.
Clinical manifestations include concentrated urine output and overhydration.
A patient is recovering from a lung resection because of malignant bronchogenic small cell carcinoma.
His serum sodium is 120 mEq/L and SIADH is suspected.
Which statement is accurate regarding SIADH?
Management includes rapid restoration of serum sodium levels to normal.
SIADH occurs when excessive ADH is released by the anterior pituitary.
SIADH is characterized by diluted urine output and dehydration.
Serum sodium levels typically rise in cases of SIADH.
The Correct Answer is B
Choice A rationale
Rapid restoration of serum sodium levels can lead to central pontine myelinolysis, a severe neurological condition. Thus, management should be gradual.
Choice B rationale
SIADH occurs due to excessive release of antidiuretic hormone (ADH) from the posterior pituitary gland, not the anterior, leading to water retention and hyponatremia.
Choice C rationale
SIADH is characterized by concentrated urine due to water retention and overhydration, not diluted urine output and dehydration.
Choice D rationale
Serum sodium levels typically decrease in SIADH due to water retention and dilutional hyponatremia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Monitoring the client’s hydration status is critical for older adults, especially those on a medical-surgical unit, to prevent dehydration, which can lead to serious complications such as renal impairment, confusion, and electrolyte imbalance.
Choice B rationale
Encouraging physical activities is beneficial but is not always feasible or safe for all older clients, especially those with certain medical conditions or mobility limitations.
Choice C rationale
Administering medications as prescribed is essential but is a standard practice for all clients and not specific to older adults' unique needs.
Choice D rationale
Educating the client on dietary needs is important but secondary to monitoring hydration, which addresses more immediate physiological needs and complications.
Correct Answer is C
Explanation
Choice A rationale
Replacing the water in flower vases daily does not prevent infection for a client with neutropenia, as bacteria can still accumulate.
Choice B rationale
Humidifying the client’s room can increase the risk of mold growth, which is harmful to immunocompromised clients.
Choice C rationale
Serving cooked fruit minimizes the risk of infections from bacteria and fungi present on raw fruits, which is crucial for clients with low WBC counts.
Choice D rationale
Cleaning dentures in a denture cup does not significantly reduce infection risks for immunocompromised clients; proper mouth hygiene is essential but this practice alone is insufficient.
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