MCCN 205 TEST PAPER 2025.pdf 1. Document information

MCCN 205 TEST PAPER 2025/2026 QUESTIONS WITH
SOLUTIONS RATED A+
✔✔lab studies used to detect for imbalances with fluids - ✔✔CBC serum electrolytes
and urin pH/specific gravity

✔✔one liter is equal to - ✔✔2 pounds

✔✔hypovolemia - ✔✔decreased blood circulating- from decreased water and
electrolytes.
decreased HGB and HCT
altered electrolytes

✔✔dehydration - ✔✔increased HGB and HCT

✔✔hyponatremia/ hyper - ✔✔sodium

✔✔hypokalemia/hyper - ✔✔potassium

✔✔hypocalcemia - ✔✔calcium

✔✔hypomagnesemia - ✔✔magnesium

✔✔hypophophatemia - ✔✔phosporus

✔✔general considerations for electrolyte imbalances - ✔✔many have GI and
neuromuscular indications

✔✔homeostatic regulators - ✔✔plasma buffer system, respiratory mechanisms, renal
mechanisms

✔✔ABG- normals - ✔✔arterial blood gas. pH- 7.35-7.45, pCO2 35-45, HCO3 22-26

✔✔nasal canula - ✔✔allows eating and talking about 24-40%

✔✔simple mask - ✔✔high oxygen, 30-60%, makes people anxious

✔✔partial rebreather mask - ✔✔reservoir bad collects exhaled air and mixes with 100%
oxygen

✔✔nonrebreather mask - ✔✔80-90% oxygen. highest mask oxygen level

✔✔venturi mask - ✔✔most control over amount of oxygen 24-55%