BSN 266 MED-SURG EXAM QUESTIONS WITH COMPLETE SOLUTIONS

BSN 266 MED-SURG EXAM
QUESTIONS WITH COMPLETE
SOLUTIONS

how does more CO2 in the blood affecr pH? - Answer-pH will decrease making it more
ACIDIC

sodium Na+ functions - Answer-maintain RMP
nerve impulses
blood volume and pressure

potassium K+ functions - Answer-resting membrane potential of skeletal, smooth, and
cardiac muscle cells
Provides the normal electrical activity of the heart

Calcium (Ca2+) Function - Answer-Influences excitability of nerve and muscle cells
muscle contraction
blood clotting
bones and teeth

Magnesium (Mg2+) Function - Answer-ATP and adenosine production
synthesis of nucleic acids and proteins

phosphate PO43- function - Answer-production of ATP
carb metabolism

sodium-potassium pump - Answer-a carrier protein that uses ATP to actively transport
sodium ions out of a cell and potassium ions into the cell
keeps ICF low in sodium and high in potassium

normal sodium range - Answer-135-145 mEq/L

normal potassium range - Answer-3.5-5.0 mEq/L

normal calcium range - Answer-8.5-10.5 mg/dL or 4-5 mEq/l

normal magnesium range - Answer-1.3-2.1 mEq/L

normal phosphate range - Answer-1.7-2.6 mEq/L