CPJE PNN Top 400 Exam Questions and Answers (Latest Update 2026).docx

CPJE PNN Top 400 Exam Questions
and Answers (Latest Update 2026)
Diuretics -
correct answer ✅*SULFA allergy with all thiazides*
*LOOPs watch for SULFA allergy except for Ethacrynic Acid*


TD - not if renal impairment
- low Na, Cl, K, Mg
- *high Ca*, glucose, lipid, UA
- sexual dysfunction, rash, photosensitivity
- risk of lithium toxicity (low Na)
- risk of digoxin toxicity (low K and Mg)
- risk of allopurinol hypersensitivity
- pregnancy cat B


LD - *okay if renal impairment*
- *decrease all electrolytes* low Na, Cl, K, Mg, *Ca*
- high glucose, lipid, UA
- sexual dysfunction, rash, photosensitivity
- lupus, ototoxicity (ethacrynic acid)
- *ethacrynic acid 50mg = furosemide 40mg = torsemide 20mg =
bumetanide 1mg*

,CPJE PNN Top 400 Exam Questions
and Answers (Latest Update 2026)

Bumex -
correct answer ✅bumetanide


loop diuretic
sulfa allergy


*Edema* - 0.5, 1, 2 mg
*PO* - 0.5-2mg x 1; redose in 4-5 hrs x 2 doses
*max 10mg/d*


BID


1 mg bumex = 40mg lasix


Edecrin -
correct answer ✅ethacrynic acid


loop diuretic

,CPJE PNN Top 400 Exam Questions
and Answers (Latest Update 2026)
PO/IV
highest ototoxicity of the loop diuretics


*only loop diuretic without SULFA*


Lasix -
correct answer ✅furosemide
loop diuretic


1:2 - IV:PO


*protect IV from light*


tabs, oral solution, IM/IV


- *HTN* - 20-40 mg BID
- *Edema, HF* - 20-80mg/dose, up to *600mg/d*


QD/BID

, CPJE PNN Top 400 Exam Questions
and Answers (Latest Update 2026)
Demadex -
correct answer ✅torsemide


loop diuretic
*SULFA* allergy


*htn - 5mg QD*
*max 100mg/d*


chlorthalidone -
correct answer ✅thiazide-like diuretic


12.5mg
max 100mg *QD*


longer acting/more potent than HCTZ


hydrochlorothiazide -
correct answer ✅thiazide diuretic