Answer:
True.
Step-by-step explanation:
Congenital Heart Defect can be minimized and/or repaired with surgery. A usage of pacemaker may be needed, especially for younger patients. If a pacemaker is used, the child would need to have it monitored every 6 months, and have it (and/or wires) replaced every 5-10 years with current technology.
In a sense, there is a "fix" for it, but there is no cure. So technically you are unable to fix it completely or cure it. So true would be your best answer.