CNSC Exam Prep Questions with
Detailed Verified Answers
Question: D5W (5% dextrose)
Ans: Dextrose - 50
Sodium - 0
Chloride - 0
Tonicity - Hypotonic
Free water - 1000
Question: 0.45% NaCl (1/2 NS)
Ans: Dextrose - 0
Sodium - 77
Chloride - 77
Tonicity - Hypotonic
Free water - 500
Question: 0.9% NaCl (normal saline)
, Page | 2
Ans: Dextrose - 0
Sodium - 154
Chloride - 154
Tonicity - Isotonic
Free water - 0
Question: 3% NaCl (hypertonic solution)
Ans: Dextrose - 0
Sodium - 513
Chloride - 513
Tonicity - Hypertonic
Free water - -2331
Question: Lactated Ringers
, Page | 3
Ans: Dextrose - 0
Sodium - 130
Chloride - 109
Also contains lactate, K, and Ca2+
Tonicity - Isotonic
Free water - 0
Question: 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
Question: Distribution of intravenous fluids