PEDS EXAM 4 EXAM SCRIPT QUESTIONS
AND ANSWERS COMPLETE PRACTICE
RESOURCE VERIFIED
●● What does the foramen ovale do?
Answer: Allows blood to flow from right atrium to left atrium
●● What does the ductus arteriosus do?
Answer: Connects pulmonary artery to aorta bypassing lungs
●● What does the ductus venosus do?
Answer: Shunts blood from umbilical vein to IVC bypassing liver
●● Where is pressure highest before birth?
Answer: Right side of the heart
●● What happens when the newborn takes the first breath?
Answer: Lungs expand and pulmonary resistance decreases
●● What causes the foramen ovale to close?
Answer: Increased pressure in the left atrium
, ●● What causes the ductus arteriosus to close?
Answer: Increased oxygen levels and decreased pulmonary pressure
●● After birth which side has higher pressure?
Answer: Left side of the heart
●● What does a CBC assess in cardiac patients?
Answer: Infection, anemia, polycythemia
●● Why are electrolytes important in cardiac patients?
Answer: Affect heart rhythm and digoxin toxicity
●● What lab is monitored for digoxin safety?
Answer: Digoxin level
●● What are signs of digoxin toxicity?
Answer: Vomiting, bradycardia, dysrhythmias
●● What does a chest x-ray show?
Answer: Heart size and lung fluid
AND ANSWERS COMPLETE PRACTICE
RESOURCE VERIFIED
●● What does the foramen ovale do?
Answer: Allows blood to flow from right atrium to left atrium
●● What does the ductus arteriosus do?
Answer: Connects pulmonary artery to aorta bypassing lungs
●● What does the ductus venosus do?
Answer: Shunts blood from umbilical vein to IVC bypassing liver
●● Where is pressure highest before birth?
Answer: Right side of the heart
●● What happens when the newborn takes the first breath?
Answer: Lungs expand and pulmonary resistance decreases
●● What causes the foramen ovale to close?
Answer: Increased pressure in the left atrium
, ●● What causes the ductus arteriosus to close?
Answer: Increased oxygen levels and decreased pulmonary pressure
●● After birth which side has higher pressure?
Answer: Left side of the heart
●● What does a CBC assess in cardiac patients?
Answer: Infection, anemia, polycythemia
●● Why are electrolytes important in cardiac patients?
Answer: Affect heart rhythm and digoxin toxicity
●● What lab is monitored for digoxin safety?
Answer: Digoxin level
●● What are signs of digoxin toxicity?
Answer: Vomiting, bradycardia, dysrhythmias
●● What does a chest x-ray show?
Answer: Heart size and lung fluid
