Is an examination where a well lubricated finger is placed where?

It seems like you might be referring to a medical examination, such as a digital rectal exam (DRE). This procedure typically involves a lubricated finger being inserted into the rectum to assess the health of the prostate or check for abnormalities in the rectal area. It is a common practice in urology and can help detect conditions such as prostate enlargement or cancer. Always consult with a healthcare professional for specific medical advice or concerns.