CNSC Exam Prep Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+

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CNSC Exam Prep Questions with
Detailed Verified Answers (100%
Correct Answers) /Already Graded
A+
D5W (5% dextrose)

Ans: Dextrose - 50
Sodium - 0
Chloride - 0
Tonicity - Hypotonic
Free water - 1000



0.45% NaCl (1/2 NS)

Ans: Dextrose - 0
Sodium - 77
Chloride - 77
Tonicity - Hypotonic
Free water - 500



0.9% NaCl (normal saline)

Ans: Dextrose - 0
Sodium - 154
Chloride - 154
Tonicity - Isotonic
Free water - 0



3% NaCl (hypertonic solution)

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Ans: Dextrose - 0
Sodium - 513
Chloride - 513
Tonicity - Hypertonic
Free water - -2331



Lactated Ringers

Ans: Dextrose - 0
Sodium - 130
Chloride - 109
Also contains lactate, K, and Ca2+
Tonicity - Isotonic
Free water - 0



Total body water divided into intracellular (IC) and extracellular (EC) space

- About ______% of TBF is IC and _____ % is EC and they are separated by a
cell membrane



EC compartment is divided into interstitial (IS) and the intravascular space

- ___ % of EC fluid is in the IS space

- ___ % of the EC fluid is in the intravascular space

Ans: 66% is IC
33% is EC
-- 25% intravascular, 75% in IS



Distribution of intravenous fluids

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1000mL or 1 L of either of these:



0.9% NaCl - Normal Saline



Lactated Ringers

Ans: Na and Cl do NOT move freely across cell membrane

25% in intravascular and 75% in IS

250mL in intravascular and 75% in IS



Distribution of intravenous fluids



1 L of



D5W

Ans: 60% distributes to IC and 40% to the EC

Of the 40% in EC, 25% in intravascular and 75% in the IS

600mL in IC, 400 in EC - 100mL in intravascular and 300mL in IS



Fluids recommended for fluid resuscitation