Eating and Drinking Unworthily A Passover Admonition

What was the Apostle Paul's point regarding the eating and drinking of the symbols of Jesus's body and blood in 1 Corinthians 11? Was it to examine ourselves to see if we were worthy? Or is there more to his admonition that we all need to understand?

Bill Paz is an elder serving the United Church of God congregation in Charlotte, North Carolina.