Exam Questions and CORRECT Answers
Normal I+O - CORRECT ANSWER Intake 2-3L/day; Loss of 400-600 mL minimum in
urine, 500mL-1L of insensible water loss
What % of body is water? - CORRECT ANSWER 60%, Women and elderly are 50%
Fluid Compartments - CORRECT ANSWER Intracellular and extracellular (interstitial
and intravascular)
Dehydration S+S - CORRECT ANSWER headache, confusion, tachycardia, hypotension,
poor skin turgor, decreased UOP, dry mucus membranes, constipation, thirst
Labs: increased hemoconcentration, BUN, Na, and USG
Dehydration Nursing Interventions - CORRECT ANSWER give fluids, get labs, monitor
I+Os
1L of water = _____ lb. - CORRECT ANSWER 2.2 lbs/1 kg
Weight change of 1 lb = fluid volume change of about ___ mL. - CORRECT
ANSWER 500
Dehydration Causes - CORRECT ANSWER Outdoor work, exercise, N/V, alcohol,
diarrhea, ileostomy, laxatives, burns, fever, diuretics, NG suctioning, NPO order
Fluid Volume Overload S+S - CORRECT ANSWER bounding increased pulse, HTN,
dyspnea, lung crackles, edema, weight gain
Labs: decreased hematocrit, serum Na, and USG
, Fluid Volume Overload Causes - CORRECT ANSWER endstage renal disease, CHF,
water intoxication, SIADH, corticosteroid therapy, rapid fluid replacement
Fluid Volume Overload Tx - CORRECT ANSWER diuretics, fluid and salt restriction,
I+O monitoring
Hyponatremia S+S and Worst Case - CORRECT ANSWER S+S: irritable, confused, tired,
abdominal cramps, muscle weakness, salt craving
Worst Case: SZ, psychosis, ataxia
Hyponatremia: Tx & Interventions - CORRECT ANSWER Tx: Fluid restriction, Na
supplements, 3% normal saline
Interventions: monitor neurological status, SZ/fall precautions
Hypernatremia S+S and Worst Case - CORRECT ANSWER S+S: restless, agitated,
anorexia, N/V, lethargic, weak, confused, thirsty
Worst Case: SZ, coma, decreased LOC
Hypernatremia Tx and Interventions - CORRECT ANSWER Tx: Fluids
Interventions: Frequent vitals, I+O monitoring, SZ/fall precautions, monitor neuro status
Hypokalemia S+S and Worst Case - CORRECT ANSWER S+S: leg cramps, arrhythmias,
decreased GI motility, muscle weakness, decreased DTRs, alkalosis
Worst Case: Cardiac Arrest