emaids of the preschoolers were selected for kindness and physical resemblance to the younger members of the Imperial household All rewards were given in the presence of holograms of the Emperor and na-Emperor Can dies and presents distributed on festive occasions were labeled "from House Wik-kheiser," "from House Alman, ' and the like By the age of sixteen, the Imperial Conditioning trainees sincerely believed they were unable to take a human life At that age, the medical education of the student continued with advanced studies in Anatomy and Physiology, followed by courses m Immunology, Psychology, and Tsai Pharmacology Special elective courses in Ultra-Space Physiology, Advanced Tsai Pharmacology, Exotic Infectious Diseases, and Poison Detection were also offered Another important part of the training was mat of fat-kait a form of awareness of one's body resembling the prana-bindu training of the Bene Gessent, although not as extensive This important part of the training of a conditioned Suk physician provided the technique of harqi, the ability to stop one's heart and respiratory mechanism, resulting in death Thus the Suk physician had die means of suicide if pressure to take a life or betray a trust became intolerable It is well documented that physical torture, for instance, was ineffective in subverting a Suk physician with Imperial Conditioning (See the cases of Ahdan ben Gozai and Stanley Wing Ling, in Fanna Jahid s History of the Suk School of Medicine ) After the didactic portion of the studies in the practice of Tsai medicine, clinical studies were begun m surgery, emergency medicine, and brewing herbal remedies A three year standard internship followed under the tutelage of an experienced Tsai physician The Suk School officials preferred that these mentors be Suk-trained but exceptions have been recorded Following internship, the young physician returned to the Suk School for final testing If the Conditioning was deemed complete, the physician was tattooed with a diamond on the forehead The four points of the diamond represented the four tenets of the Suk School of Medicine as expressed by their oath I will give Loyalty, I will seek Knowledge, I will practsce Healing, I will prolong Life ' The tattoo did more than identify the physician as a Suk physician with Imperial Conditioning, it was ingenious in its intricacy Every tattoo looked alike to the casual observer, but under special microscopes and hghts subtle differences identified each Suk physician The School Archives held complete records of each tattoo As a further safeguard against "counterfeit' Suk physicians, a specific response to a specific stimulus wati hypnotically implanted Again, the individual response-stimulus was unique to each physician This hypnotic response revealed a Tleilaxu counterfeit Suk physician produced in 10131 Although the Tleilaxu were able to reproduce the tattoo of their model Suk physician, they were unaware of the existence of the hypno