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 C
Explanation
Choice A rationale
Systemic lupus erythematosus (SLE) does not originate in the peripheral vascular system. This system involves the blood vessels outside of the heart and brain, and while SLE can affect these vessels, it is not the primary origin of the disease.
Choice B rationale
SLE does not originate in muscle tissue. Muscle involvement in SLE typically results from inflammation caused by the autoimmune response, but muscle tissue is not the source of the disease.
Choice C rationale
Connective tissue is where SLE originates. SLE is an autoimmune disease that primarily targets connective tissue, causing inflammation and damage to various organs and systems throughout the body.
Choice D rationale
The lymphatic system is not the origin of SLE. While the immune system plays a key role in SLE, the disease itself originates in the connective tissue, not the lymphatic system.
Correct Answer is C
Explanation
Choice A rationale
The client's complete blood count does not specifically indicate an increased risk for bleeding. Platelet levels would need to be evaluated for bleeding risk.
Choice B rationale
Erythropoiesis stimulating agents are used for anemia but are not indicated based on the provided CBC.
Choice C rationale
The client is at increased risk of infection due to low white blood cell count (leukopenia), which indicates immunosuppression.
Choice D rationale
While a high-protein diet is beneficial during cancer treatment, the CBC results highlight an infection risk as the primary concern.
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