AACN Updated CCRN-Pediatric Exam Questions and Answers by dilan

Beta-agonists such asterbutalineare frequently used in severe asthma to promote bronchodilation. However, these agents stimulate beta-2 receptors, which drivepotassium and phosphate into cells, leading tohypokalemia and hypophosphatemia—a well-documented side effect in patients receiving frequent or continuous beta-agonist therapy.

“Beta-adrenergic medications can cause intracellular shifting of potassium and phosphorus, especially when administered in high doses or for prolonged periods, as in status asthmaticus. This results in hypokalemia and hypophosphatemia, necessitating close electrolyte monitoring.”

(Referenced from CCRN Pediatric – Direct Care: Endocrine Disorders and Critical Pharmacologic Management)

The patient is stable withsupraventricular tachycardia (SVT). Initial treatment in stable pediatric SVT involvesvagal maneuversto increase vagal tone and potentially terminate the arrhythmia. Having the childblow through a straw or simulate blowing a hornis a safe and effective method in a cooperative child.

“In stable pediatric patients with SVT, vagal maneuvers are the first-line intervention. Activities such as forced exhalation (blowing through a straw) may revert the rhythm.”

(Referenced from CCRN Pediatric – Direct Care: Cardiovascular, Pediatric Tachyarrhythmias Management)

Early in career development,identifying a mentor or role modelprovides foundational support for leadership growth. This allows the nurse to observe effective leadership behaviors, gain guidance, anddevelop long-term goals through structured exposure.

“Mentorship is essential in leadership development. New nurses with administrative goals should be encouraged to identify and learn from respected leaders to develop the skills and behaviors required for advanced roles.”

(Referenced from CCRN Pediatric – Professional Caring and Ethical Practice: Leadership Development and Mentorship)

Septic shockin pediatric patients requiresearly goal-directed therapy, including:

Fluid resuscitationto restore perfusion,

Antibioticswithin the first hour to treat the underlying infection, and

Inotropesif shock persists after fluids.

“Early interventions for pediatric septic shock include aggressive fluid resuscitation, timely administration of broad-spectrum antibiotics, and initiation of vasopressors or inotropes if hypotension remains.”

(Referenced from CCRN Pediatric – Direct Care: Multisystem, Sepsis Management)