A nurse is planning to teach a group of newly licensed nurses about hypernatremia. Which of the following manifestations should the nurse include in the teaching?
Seizure
Elevated hematocrit
Bradypnea
Personality change
The Correct Answer is D
A. Seizure: While seizures may occur in severe cases of hypernatremia, they are more typically associated with hyponatremia, where cerebral edema is more prominent due to water shifts into brain cells.
B. Elevated hematocrit: An elevated hematocrit may be seen with dehydration, which can accompany hypernatremia, but it is not a direct or reliable indicator of sodium imbalance itself.
C. Bradypnea: Respiratory changes like bradypnea are not characteristic of hypernatremia. This condition primarily affects the neurological system, not the respiratory system.
D. Personality change: Hypernatremia causes cellular dehydration, particularly in brain cells, leading to neurological symptoms such as confusion, agitation, irritability, and personality changes.
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Related Questions
Correct Answer is C
Explanation
A. Bradycardia: Bradycardia is an uncommon response to IV fluid therapy; more frequently, fluid overload can cause tachycardia as the heart attempts to compensate for increased blood volume. Bradycardia would more likely result from other cardiac or neurological issues rather than fluid administration.
B. Weight loss: IV fluid therapy generally results in fluid retention or maintenance of body weight; weight loss is not expected unless there is concurrent fluid loss or other underlying conditions. Monitoring weight gain is important to detect fluid overload rather than weight loss.
C. Distended neck veins: Distended neck veins are a classic sign of fluid volume overload, indicating increased central venous pressure due to excess fluid in the circulatory system. This finding requires prompt intervention to prevent complications such as pulmonary edema or heart failure.
D. Bradypnea: Slow respiratory rate is rarely caused by IV fluids and more commonly indicates neurological impairment, sedation, or respiratory muscle fatigue. It is not a typical adverse effect of fluid therapy and should prompt evaluation for other causes.
Correct Answer is ["200"]
Explanation
Total volume to be infused = 100 mL.
Infusion time in minutes = 30 min.
- Convert the infusion time from minutes to hours.
Infusion time in hours = 30 min / 60 min/hr
= 0.5 hr.
- Calculate the infusion rate in mL per hour.
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)
= 100 mL / 0.5 hr
= 200 mL/hr.
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