A nurse is assessing a client who had a craniotomy and has developed syndrome of inappropriate antidiuretic hormone (SIADH). Which of the following manifestations should the nurse anticipate?
Weight loss
Oliguria
Hypernatremia
Increased thirst
The Correct Answer is B
A) SIADH leads to water retention due to excessive secretion of antidiuretic hormone (ADH), resulting in weight gain rather than weight loss.
B) SIADH causes the kidneys to retain water, leading to decreased urine output (oliguria) and concentrated urine.
C) SIADH typically results in dilutional hyponatremia due to water retention, not hypernatremia.
D) In SIADH, the body retains water excessively, leading to decreased serum osmolality and suppression of thirst, rather than increased thirst.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and is not used to assess the therapeutic effect of epoetin alfa.
B. The hematocrit (Hct) measures the proportion of red blood cells in the blood. Epoetin alfa stimulates the production of red blood cells, leading to an increase in hematocrit levels, indicating a therapeutic effect of the medication.
C. The leukocyte count measures the number of white blood cells in the blood and is not relevant for assessing the therapeutic effect of epoetin alfa.
D. The platelet count measures the number of platelets in the blood and is not relevant for assessing the therapeutic effect of epoetin alfa.
Correct Answer is B
Explanation
A. This option can be ruled out because the pH and PaCO2 levels indicate acidosis, but the compensation is not partial as the HCO3 is also low.
B. Maria's symptoms and the arterial blood gas values support this diagnosis. Metabolic acidosis is indicated by a low pH and a decreased bicarbonate (HCO3) level. The body attempts to compensate for this acidosis by hyperventilating, which is evidenced by her Kussmaul breathing, to decrease PaCO2. This compensation is partial because, despite the body's efforts, the pH is still significantly lower than normal.
C. This option can be ruled out because the pH is low (acidosis) rather than high (alkalosis), and the HCO3 is low rather than high.
D. Respiratory Acidosis, Uncompensated is ruled out because the pH is low (acidosis), but the PaCO2 is normal, indicating metabolic rather than respiratory involvement.
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