Because most of their patients live fairly close by, it's generally not a problem to do a homeexam and get back to the office in the hour that is scheduled for an appointment.
Yet for all the official talk at home about ever-improving exam results, Britain is beginning to slide down the international league table of educational attainment.
More than a hundred students were investigated for plagiarism or for having "inappropriately collaborated" on a course's take-home, open-book spring final exam.
He was speaking in his home town, Polokwane, where he had been sitting a university exam in political studies while the ANC's disciplinary committee was announcing that he and five other top ANC youth league officials had been suspended.
Steps taken so far include bringing home the agents involved, stripping them of their security clearance and questioning that has included at least one polygraph exam.