WorksheetsIV Fluids
Total questions: 9
Worksheet time: 5mins
Q1. A 70 kg patient requires maintenance fluids. Roughly how much sodium should they receive per day?
30–50 mmol
200 mmol
None if eating normally
70–140 mmol
Which situation makes you withhold potassium supplementation in IV fluids?
NG drainage
Diarrhoea
Oliguria with rising creatinine
Prolonged vomiting
A patient has 800 ml intra-op blood loss, 300 ml drain output, and was given 500 ml Hartmann’s. What is their net deficit?
0.6 L
1.2L
0.8L
0.3L
Which fluid is most appropriate for resuscitation in hypovolaemia?
4% Dextrose/0.18% Saline
0.9% Saline
5% Dextrose
Water for injection
A post-op patient received 3 L of saline in 24h. Chloride is rising, pH dropping. Cause?
Hyperchloraemic metabolic alkolosis
Inadequate potassium replacement
Renal failure
Hyperchloraemic metabolic acidosis
Which Starling force draws fluid back into capillaries?
Interstitial oncotic pressure
Capillary hydrostatic pressure
Capillary oncotic pressure
Interstitial hydrostatic pressure
Which statement about colloids is correct?
They quickly leave the intravascular space
They provide no oncotic pressure
They remain in the circulation and spare sodium load
They are hypotonic solutions
A post-op patient with high NG aspirates is at greatest risk of losing which electrolyte?
Phosphate
Calcium
Magnesium
Potassium
Catheterised 70 kg patient has 100 ml urine in 6 hours. First action?
Prescribe fluids immediately
Check catheter patency
Start diuretics
Ignore
