Pediatric CCRN Exam Pediatric CCRN Cardiovascular

Question 1

A 6-month-old with Tetralogy of Fallot develops a sudden hypercyanotic (tet) spell. What is the FIRST intervention?

Accepted Answer

Place the infant in the knee-chest position

Answer

Administer 100% oxygen via face mask

Answer

Give IV morphine sulfate

Answer

Initiate IV fluid bolus

Question 2

Which congenital heart defect produces a continuous 'machinery' murmur best heard at the left upper sternal border?

Accepted Answer

Patent ductus arteriosus

Answer

Ventricular septal defect

Answer

Atrial septal defect

Answer

Pulmonary stenosis

Question 3

A neonate post-cardiac surgery has a central venous pressure of 18 mmHg, decreased urine output, and hepatomegaly. These findings are MOST consistent with:

Accepted Answer

Right ventricular failure

Answer

Left ventricular failure

Answer

Cardiac tamponade

Answer

Hypovolemic shock

Question 4

Which medication is the drug of choice to close a hemodynamically significant patent ductus arteriosus in a premature neonate?

Accepted Answer

Indomethacin

Answer

Prostaglandin E1

Answer

Digoxin

Answer

Furosemide

Question 5

A child with a large ventricular septal defect is at greatest risk for developing which complication over time if left unrepaired?

Accepted Answer

Eisenmenger syndrome

Answer

Complete heart block

Answer

Coarctation of the aorta

Answer

Tricuspid atresia

Question 6

What does a Qp:Qs ratio greater than 2:1 indicate in a child with a cardiac shunt?

Accepted Answer

Significant left-to-right shunting requiring intervention

Answer

Significant right-to-left shunting with cyanosis

Answer

Balanced pulmonary and systemic blood flow

Answer

Pulmonary vascular obstructive disease