D- they were not treated for or told they had syphillis. Instead, researchers told the men that they were receiving free treatment for what they called “bad blood”. Around this time, penicillin was found to be a decent method of treatment for syphillis, but researchers instead treated the men with ointments and other methods that didn’t work.
Yes, there are many of these kind of procedures, and here are some examples, like deep palpation and percussion, examination of the ear-drum or inside the nose
