Loop Diuretics Flashcards
What is the primary action of loop diuretics?
They inhibit sodium and chloride reabsorption in the ascending loop of Henle.
True or False: Loop diuretics can cause hypokalemia.
True
Fill in the blank: The most common loop diuretic is __________.
furosemide
What are loop diuretics primarily used to treat?
Congestive heart failure, edema, and hypertension.
List one adverse effect of loop diuretics.
Dehydration, electrolyte imbalances, or ototoxicity.
What is a nursing implication when administering loop diuretics?
Monitor electrolyte levels, especially potassium.
Multiple Choice: Which of the following is NOT a loop diuretic? A) Furosemide B) Bumetanide C) Hydrochlorothiazide
C) Hydrochlorothiazide
What route of administration is commonly used for loop diuretics?
Oral and intravenous.
True or False: Loop diuretics can be used in patients with renal impairment.
True
What should be monitored to prevent adverse effects when using loop diuretics?
Blood pressure, renal function, and electrolyte levels.
Fill in the blank: Loop diuretics may cause __________ due to excessive fluid loss.
hypovolemia
What is the mechanism of action of loop diuretics?
They block the Na-K-2Cl symporter in the thick ascending limb of the loop of Henle.
List a serious adverse effect of loop diuretics.
Ototoxicity or severe electrolyte imbalance.
Multiple Choice: What is the typical onset time for furosemide when given intravenously? A) 5 minutes B) 30 minutes C) 1 hour
A) 5 minutes
What is the recommended nursing action if a patient experiences dizziness while on loop diuretics?
Assist the patient to a sitting or lying position.
True or False: Loop diuretics can be given as a continuous infusion.
True
What should patients be advised to monitor while taking loop diuretics?
Weight changes and signs of dehydration.
Fill in the blank: Loop diuretics can cause __________, leading to increased risk of falls.
orthostatic hypotension
What is the effect of loop diuretics on urine output?
They increase urine output significantly.
List one dietary recommendation for patients on loop diuretics.
Increase potassium-rich foods in the diet.
True or False: Loop diuretics are effective in treating hypercalcemia.
True
What is the impact of loop diuretics on blood glucose levels?
They may cause an increase in blood glucose levels.
Multiple Choice: Which electrolyte is most commonly monitored in patients taking loop diuretics? A) Sodium B) Calcium C) Potassium
C) Potassium
What is an important consideration for patients with gout taking loop diuretics?
Loop diuretics can increase uric acid levels.
Fill in the blank: Patients taking loop diuretics should be educated about the risk of __________ due to fluid imbalance.
arrhythmias
