WorksheetsDiuretics Quiz
Total questions: 10
Worksheet time: 10mins
Which part of the nephron reabsorbs the largest percentage of sodium and water under normal conditions?
Distal tubule
Collecting duct
Proximal tubule
Ascending limb of Loop of Henle
Frusemide produces diuresis by inhibiting which transporter?
Na+/Cl− symporter
ENaC channel
Na+/K+/2Cl− symporter
Na+/H+ exchanger
Loop diuretics increase calcium reabsorption in the kidney.
True
False
Which diuretic is most appropriate for acute pulmonary oedema?
Hydrochlorothiazide
Spironolactone
Amiloride
Frusemide
Loop diuretics may precipitate gout because they:
Increase calcium loss
Reduce renal perfusion
Thiazide diuretics are useful in patients with hypercalciuria and kidney stones.
True
False
Which drug combination carries the highest risk of hyperkalaemia?
Frusemide + digoxin
Hydrochlorothiazide + lithium
Spironolactone + ACE inhibitor
Thiazide + NSAIDs
Which statement about thiazide diuretics is CORRECT?
They act in the Loop of Henle
They reduce urinary calcium excretion
They cause more potent diuresis than loop diuretics
They are ineffective in hypertension
Why is amiloride commonly combined with loop or thiazide diuretics?
To enhance calcium excretion
To prevent hypokalaemia
To increase uric acid excretion
To improve renal blood flow
Which adverse effect is most characteristic of spironolactone?
Ototoxicity
Hypokalaemia
Gynaecomastia
Hyperuricaemia
