When the group of Jehovah's Witnesses are praying they say "In the father and lord Jesus Christ". Jehovah's Witnesses don't believe that Jesus is God instead Jehovah.
When they trying to resuscitate the boy who was a Jehovah 's witness they forgot to press the ambu bag while doing chest compressions.
When Meredith has to step out from her skills lab because she thinks something is wrong with the baby, she says that there is a "flutter." Bailey put her hand on her stomach and told Meredith that it wasn't a bad thing, that the baby was just kicking. This was the first time the baby kicked, but the first time a baby kicks only the pregnant woman can feel it, it's not strong enough for people to feel externally yet; therefore, Bailey wouldn't have even felt any kicks.