When caring for a patient with mild hypothermia, which finding would the nurse expect?
A) Diuresis
B) Hypoventilation
C) Vasodilation
D) Bradycardia
A) Diuresis
Explanation: A) In mild hypothermia, the renal tubules become resistant to arginine vasopressin, and the resulting diuresis depletes both water and potassium, resulting in hypokalemia.
B) In mild hypothermia, hyperventilation provides O2 to shivering muscles.
C) Cardiovascular signs in mild hypothermia are usually caused by warming responses of vasoconstriction to conserve heat and hyperventilation to provide O2 to shivering muscles. Increased sympathetic nervous system stimulation raises heart rate, blood pressure, and cardiac output.
D) Cardiovascular signs in mild hypothermia are usually caused by warming responses of vasoconstriction to conserve heat and hyperventilation to provide O2 to shivering muscles. Increased sympathetic nervous system stimulation raises heart rate, blood pressure, and cardiac output.
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