FREE CNN Exam Guide 2026: Pass NNCC Nephrology Nurse Cert
Video
Which of the following is the most common cause of acute kidney injury (AKI) in hospitalized patients?
Cnn Renal Disease Pathophysiology
Question · Easy
Free NNCC CNN 2026 exam guide covering the 150-question blueprint, 2,500-hour multi-modality eligibility, $350 fee, Kt/V math, dialysis adequacy, CKD staging, and a 10-14 week study plan.
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What is the educational requirement for the CNN exam?
Exam Logistics
Flashcard
A patient with CKD stage 4 has an eGFR of 28 mL/min/1.73m². What is the recommended protein intake for this patient?
Question · Medium
Diagnosis given when abnormal structure or function of the filtering organs lasts at least 3 months and has implications for health, whatever the cause.
Renal disease concepts
Guess the Term
Chapter 1: Exam Prep & Renal Physiology
1.1 Exam Logistics & Blueprint
Study guide
Cheat sheet
Which electrolyte imbalance is most commonly associated with tumor lysis syndrome?
Read the clue and guess the term in 6 tries.
Game
How many hours of nephrology nursing experience are required for the CNN exam?
A patient presents with nephrotic syndrome. Which of the following laboratory findings is most characteristic?
Diagnosis made when serum creatinine rises by at least 0.3 mg/dL within 48 hours, or urine output stays below 0.5 mL/kg/h for 6 hours.
Concepts of kidney disease
Which medication class is contraindicated in patients with bilateral renal artery stenosis?
How long is the CNN credential valid, and what is required for recertification?
A 45-year-old patient with autosomal dominant polycystic kidney disease (ADPKD) asks about the most common cause of death in this condition. What is the correct answer?
Genetic disorder, with autosomal dominant and recessive forms, that can make the filtering organs much larger and may lead to their failure.
1.2 Renal Physiology & Chronic Kidney Disease
Which of the following is the primary target for phosphate binding in patients with CKD-MBD?
Swap tiles to line up three of the same term.
Term Match
What is the question count, time limit, and passing score of the CNN exam?
A patient with diabetic nephropathy has an albumin-to-creatinine ratio (ACR) of 450 mg/g. How should this be classified?
Illness that destroys red cells and blocks the organs' filters; in children the most common trigger is an E. coli digestive infection.
Which of the following is most suggestive of acute interstitial nephritis (AIN)?
Which clinical area represents the largest percentage of the current CNN exam blueprint?
A patient with CKD stage 5 has a serum potassium of 6.8 mEq/L and ECG showing peaked T waves. Which is the first-line treatment to stabilize the cardiac membrane?
Condition in which blood carries too few oxygen-carrying cells or too little of the iron-rich protein inside them.
Chapter 2: Vascular Access and Hemodialysis Principles
2.1 Vascular Access Management
What is the primary mechanism by which hemodialysis removes urea and other small solutes?
Cnn Hemodialysis
Flip two cards at a time to find matching terms.
Term Pairs
Where is erythropoietin (EPO) produced in the kidneys, and what is its role?
Renal Pathology & Physiology
A patient develops severe muscle cramps during hemodialysis. What is the most likely cause?
Waste product formed when the liver breaks down protein, normally removed from the blood by the kidneys and excreted in urine.
Which type of vascular access is associated with the lowest risk of infection?
How does the fractional excretion of sodium (FENa) help distinguish prerenal azotemia from acute tubular necrosis (ATN)?
What is the recommended minimum blood flow rate (Qb) for a standard hemodialysis treatment?
Broad category of blood-cleansing methods suggested over standard intermittent sessions for hemodynamically unstable patients because fluid removal is slower.
Acute inpatient therapies
2.2 Hemodialysis Principles and Clinical Complications
A patient has a Kt/V of 0.9 after a hemodialysis session. What does this indicate?
Find five hidden terms in a grid of letters.
Term Search
What GFR ranges define Chronic Kidney Disease (CKD) Stages 3a, 3b, 4, and 5?
Which finding is most suggestive of dialysis disequilibrium syndrome?
Mode that removes solutes by both diffusion and convection.
What is the minimum recommended water culture frequency for the dialysis water treatment system?
What is the classic tetrad of clinical findings that defines nephrotic syndrome?
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