Free Practice Questions for AACN CCRN-Pediatric Exam

Dobutamine is abeta-1 agonistthat increases myocardial contractility. Its primary action isincreasing stroke volume and cardiac output, withminimal effect on systemic vascular resistance, making it ideal for patients with low-output states.

“Dobutamine enhances myocardial contractility and increases cardiac output without significantly increasing systemic vascular resistance, making it effective in heart failure with preserved perfusion.”

(Referenced from CCRN Pediatric – Direct Care: Cardiovascular Pharmacology and Hemodynamic Support)

The classic symptoms ofKawasaki Diseaseincludefever >5 days,mucocutaneous inflammation(strawberry tongue, conjunctivitis),lymphadenopathy, andelevated inflammatory markers. Standard treatment includesIVIGandhigh-dose aspirinto reduce coronary artery aneurysm risk.

“Kawasaki Disease is treated with IVIG and aspirin to control inflammation and reduce the risk of coronary artery aneurysms.”

(Referenced from CCRN Pediatric – Direct Care: Multisystem, Inflammatory Syndromes in Children)

Peritoneal dialysis (PD)is used in pediatric patients withrenal failure, especially when associated withfluid overload (hypervolemia), uremia, or electrolyte imbalances not responsive to medical therapy. It is particularly effective forgradual fluid removalin children.

“Indications for peritoneal dialysis in children include fluid overload, hyperkalemia, and acidosis not corrected by conservative measures.”

(Referenced from CCRN Pediatric – Direct Care: Renal, Indications for Dialysis)

Positive End-Expiratory Pressure (PEEP)helpskeep alveoli open at end-expiration, therebyincreasing functional residual capacityand improvinggas exchange. In aspiration-related lung injury, alveolar collapse and inflammation impair oxygenation, soPEEP is used to recruit alveoli and improve oxygenation.

“PEEP increases oxygenation by preventing alveolar collapse, especially important in aspiration pneumonitis and ARDS. It improves oxygen delivery while minimizing barotrauma.”

(Referenced from CCRN Pediatric – Direct Care: Pulmonary, Mechanical Ventilation Strategies)

Stored blood containscitrate, an anticoagulant that bindsionized calcium, leading tohypocalcemiawith multiple transfusions. This can causetetany, arrhythmias, and hypotensionif not corrected.

“Massive transfusion can cause hypocalcemia due to citrate toxicity. Monitoring ionized calcium is essential during and after blood product administration.”

(Referenced from CCRN Pediatric – Direct Care: Hematologic Emergencies and Transfusion Management)