An older adult nursing home resident who has always been alert and oriented is now showing signs of dehydration and has become confused. Which electrolyte imbalance is most likely involved?
Hypercalcemia
Hypomagnesemia
Hyponatremia
Hypernatremia
The Correct Answer is C
A. Hypercalcemia: Hypercalcemia may cause confusion but is less likely associated with dehydration.
B. Hypomagnesemia: This can cause neuromuscular symptoms but is less commonly linked to confusion in dehydration.
C. Hyponatremia: Low sodium levels disrupt brain cell function, leading to confusion and neurological symptoms, which are common in dehydrated older adults.
D. Hypernatremia: While dehydration may cause hypernatremia, it is less likely to present with confusion in this context compared to hyponatremia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
To calculate the IV flow rate, the following formula is used:
Flowrate(gtt/min) = Volume /Time× Dropfactor(gtt/mL)
Given:
- Volume = 100 mL
- Time = 60 minutes
- Drop factor = 60 gtt/mL
Flowrate(gtt/min)= 10060× 60
=1.67×60
=100gtt/min (rounded to the nearest whole number)
Correct Answer is C
Explanation
A. Hypercalcemia: Hypercalcemia may cause confusion but is less likely associated with dehydration.
B. Hypomagnesemia: This can cause neuromuscular symptoms but is less commonly linked to confusion in dehydration.
C. Hyponatremia: Low sodium levels disrupt brain cell function, leading to confusion and neurological symptoms, which are common in dehydrated older adults.
D. Hypernatremia: While dehydration may cause hypernatremia, it is less likely to present with confusion in this context compared to hyponatremia.
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