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NUR 228 ELECTROLYTES EXAM QUESTIONS AND ANSWERS
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NUR 228 ELECTROLYTES EXAM QUESTIONS ANDANSWERS
What are electrolytes? - ANSWER compounds that are electrically charged in a
solution.
What are the five primary body electrolytes? - ANSWER Na+: Sodium Ion
Cl-: chloride ion.
Mg2+: magnesium ion.
Ca2+: Calcium ion.
K+: potassium ion.
What is the most abundant intracellular electrolyte? - ANSWER potassium
What is serum CO2? - ANSWER CO2 quantifies the bicarbonate in the blood.
Four major components of electrolyte balance? - Answer: intake, absorption,
distribution, and excretion.
What is the sodium value? - ANSWER 135–145
Potassium values? - ANSWER: 3.5-5.0
Chloride value.? - ANSWER 95–105
What's the bicarbonate value? - ANSWER 22–28
, Calcium value? - ANSWER: 9-10.5
Phosphate value? - ANSWER: 3.0–4.5
BUN value? ANSWER 8-18
creatinine? - ANSWER: 0.6-1.2.
Magnesium value? - ANSWER: 1.3–2.1
What is a cation? EX? - Answer: positively charged ion.
EX: Na
Is a neutral atom losing electrons? What does it become? What happens when it
gains electrons? - ANSWER loses; becomes a cation +
Gains: becomes an anion.
What about sodium? - ANSWER regulates osmolality and water.
-helps maintain acid-base balance
-Activates muscles and nerve cells to maintain appropriate acid-base balance.
Is there hyponatremia? - ANSWER Too much bodily fluid with H2O = insufficient
Na+
The osmolality of ECF is low.
-Rapid drop causes more symptoms than steady decline.
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