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NUR 265 Fluid & Electrolytes questions fully solved & updated .
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BMET Sodium 135-145 mEq/L Potassium 3.5-5.0 mEq/L Chloride 98-106 mEq/L CO2 21-32 mmol/L (venous) Glucose 70-110 mg/dL BUN 10-20 mg/dL Creatinine 0.6-1.2 mg/dL Corrected Calcium Formula {(4-serum albumin)*0.8}+serum calcium not equal to ionized calcium approx. 1mg albumin = 0.8mg c...

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  • September 15, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
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  • nur 265 fluid electrolytes questions

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  • NUR 265
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NUR 265 Fluid & Electrolytes
questions fully solved &
updated 2024-2025.
BMET - answer Sodium 135-145 mEq/L
Potassium 3.5-5.0 mEq/L
Chloride 98-106 mEq/L
CO2 21-32 mmol/L (venous)
Glucose 70-110 mg/dL
BUN 10-20 mg/dL
Creatinine 0.6-1.2 mg/dL


Corrected Calcium Formula - answer {(4-serum
albumin)*0.8}+serum calcium
not equal to ionized calcium
approx. 1mg albumin = 0.8mg calcium


What other electrolytes is Magnesium dependent on? - answer
Potassium and Calcium


Hypomagnesemia Causes - answer Malnutrition (absorption)
Malabsorption Symptoms
Metabolic Acidosis with renal failure (shifting)
Loop and thiazide diuretic use (excretion)
Tetany
Muscular Excitability and Tremors
***Alcoholism (severe)*** (excretion)

, Hypomagnesemia Signs and Symptoms - answer Increased
neuromuscular ability (excitability)
Difficulty swallowing (food doesn't know if it should go up or down)
Paralytic Ileus - GI issues - smooth muscle contraction and
relaxation - leads to small bowel obstruction
ECG changes - tachycardia, arrhythmia, increased BP


Hypomagnesemia Management - answer Dietary Supplementation
Drug Therapy - Magnesium Sulfate IV 2g in solution
If IV or oral can't be given - give IM in hip 1g at a time
Check Magnesium, Calcium, and Potassium levels


Foods containing magnesium - answer Spinach
halibut
chocolate
Malox
Tums
Milk of Magnesia
Epsom Salt


Chvostek's sign - answer tap on cheek - involuntary twitching of
facial muscles
Indicates low calcium and magnesium


Troussear's sign - answer Put BP cuff on and inflate - hand spasms
and arm draws in


Hypomagnesemia Nursing Interventions - answer Diet teaching

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