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Ch 17 Fluid & Electrolytes NCLEX Practice Exam Questions And Correct Answers 100% Pass $11.49
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Ch 17 Fluid & Electrolytes NCLEX Practice Exam Questions And Correct Answers 100% Pass

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©BRAINBARTER EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e Ch 17 Fluid & Electrolytes NCLEX Practice Exam Questions And Correct Answers 100% Pass You are admitting a patient with complaints of abdominal pain, nausea, and vomiting. A bowel obstruction is suspected. You assess thi...

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  • December 3, 2024
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  • 2024/2025
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  • NCLEX
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©BRAINBARTER EXAM SOLUTIONS 2024/2025

ALL RIGHTS RESERVED.




Ch 17 Fluid & Electrolytes NCLEX Practice
Exam Questions And Correct Answers 100%
Pass


You are admitting a patient with complaints of abdominal pain, nausea, and vomiting. A bowel

obstruction is suspected. You assess this patient for which anticipated primary acid-base

imbalance if the obstruction is high in the intestine?




Metabolic acidosis


Metabolic alkalosis


Respiratory acidosis


Respiratory alkalosis - Answers✔Metabolic alkalosis




Because gastric secretions are rich in hydrochloric acid, the patient who is vomiting will lose a

significant amount of gastric acid and be at an increased risk for metabolic alkalosis.




1|Page

, ©BRAINBARTER EXAM SOLUTIONS 2024/2025

ALL RIGHTS RESERVED.
Which serum potassium result best supports the rationale for administering a stat dose of

potassium chloride 20 mEq in 250 mL of normal saline over 2 hours?




3.1 mEq/L


3.9 mEq/L


4.6 mEq/L


5.3 mEq/L - Answers✔3.1 mEq/L




The normal range for serum potassium is 3.5 to 5.0 mEq/L. This IV order provides a substantial

amount of potassium. Thus the patient's potassium level must be low. The only low value

shown is 3.1 mEq/L.


You receive a physician's order to change a patient's IV from D5½ NS with 40 mEq KCl/L to D5NS

with 20 mEq KCl/L. Which serum laboratory values on this same patient best support the

rationale for this IV order change?




Sodium 136 mEq/L, potassium 4.5 mEq/L


Sodium 145 mEq/L, potassium 4.8 mEq/L


2|Page

, ©BRAINBARTER EXAM SOLUTIONS 2024/2025

ALL RIGHTS RESERVED.
Sodium 135 mEq/L, potassium 3.6 mEq/L


Sodium 144 mEq/L, potassium 3.7 mEq/L - Answers✔Sodium 136 mEq/L, potassium 4.5 mEq/L




The normal range for serum sodium is 135 to 145 mEq/L, and the normal range for potassium is

3.5 to 5.0 mEq/L. The change in the IV order decreases the amount of potassium and increases

the amount of sodium. Therefore for this order to be appropriate, the potassium level must be

near the high end and the sodium level near the low end of their respective ranges.


You are caring for a patient admitted with an exacerbation of asthma. After several treatments,

the ABG results are pH 7.40, PaCO2 40 mm Hg, HCO3 24 mEq/L, PaO2 92 mm Hg, and O2

saturation of 99%. You interpret these results as




slight metabolic acidosis.


slight respiratory acidosis.


slight respiratory alkalosis. - Answers✔slight metabolic acidosis.




The normal pH is 7.35 to 7.45. Normal PaCO2 levels are 35 to 45 mm Hg, and HCO3 is 22 to 26

mEq/L. Normal PaO2 is >80 mm Hg. Normal oxygen saturation is >95%. Since the patient's

results all fall within these normal ranges, the nurse can conclude that the patient's blood gas

results are within normal limits.

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