A nurse is assessing a client who is experiencing hypovolemia. Which of the following findings should the nurse expect?
Oliguria
Hypertension
Bradycardia
Peripheral edema
The Correct Answer is A
A. Oliguria, or decreased urine output, is a common finding in hypovolemia due to reduced renal perfusion and decreased blood flow to the kidneys.
B. Hypertension is unlikely in hypovolemia; instead, clients typically exhibit hypotension due to decreased circulating blood volume.
C. Bradycardia is not a typical finding in hypovolemia; instead, tachycardia is more commonly observed as the body compensates for reduced blood volume.
D. Peripheral edema is associated with fluid overload rather than hypovolemia, as a decrease in blood volume usually leads to less fluid accumulation in the tissues.
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Correct Answer is B
Explanation
A. Blood pressure does not increase during anaphylaxis; instead, it typically decreases due to vasodilation and fluid leakage.
B. During anaphylaxis, blood vessels become more permeable, leading to the release of fluids into the tissues, which causes swelling and contributes to hypotension.
C. Blood vessels do not constrict during anaphylaxis; rather, they dilate as a part of the allergic response, resulting in decreased blood pressure.
D. While there is an immune response during anaphylaxis, white blood cells are not destroyed; rather, they are activated to respond to the allergen, leading to inflammation and other systemic effects.
Correct Answer is A
Explanation
A. Administering hypertonic saline (3% NaCl) is appropriate for treating severe hyponatremia, as it helps to raise sodium levels safely. Restricting water intake is also necessary to prevent further dilution of sodium.
B. Fluid restriction with a loop diuretic may not be effective in this scenario and can worsen the hyponatremia by causing further fluid loss without addressing the sodium levels.
C. Isotonic saline is not indicated for correcting severe hyponatremia, and encouraging oral fluid intake could exacerbate the condition.
D. Increasing oral sodium intake is not sufficient for immediate correction of severe hyponatremia and does not address the acute nature of the client’s symptoms.