A woman confronted Sen. Ted CruzRafael (Ted) Edward CruzFive takeaways from Cruz, O'Rourke's debate showdown O'Rourke's mom discusses past Dem votes after labeled 'lifelong Republican' by son Live coverage: Cruz faces O'Rourke in Texas debate showdown MORE (R-Texas) on Tuesday night by asking him if he would take a DNA test to prove he was human. The confrontation was captured in video and uploaded to YouTube.

In the video, the woman, who identified herself as Tammy Talpas on YouTube, read from a statement claiming she has multiple pre-existing conditions and would be "bankrupt" or killed by being forced into a high-risk health insurance pool.

She then asked, "Will you pledge to submit to a DNA test to prove that you're human."

The video was first noted by a reporter at The Texas Tribune. 

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"Well, m'am, thank you for that, and one of the great things about our democratic system is we can treat each other with respect and civility," Cruz responded.

Cruz has advocated for allowing insurance companies to separate pools by high-risk and lower-risk clients, including as recently as last year during the Senate GOP's fight to pass legislation to replace the Affordable Care Act.