Answer D. All of the Above
In a survey of students in 8 US medical schools*:
66.1% correctly answered D. All of the above (must be disobeyed according to the Geneva Convention)
More than 27% incorrectly answered C Only (must disobey only the order to inject lethal drug)
More than 6% incorrectly answered E. None of the above (must be disobeyed, including order to inject lethal drug)
* J. Wesley Boyd, et al, (2007) U.S. Medical Students’ Knowledge about the Military Draft, the Geneva Conventions, and Military Medical Ethics. International Journal of Health Services, vol 37, No. 4, pp. 643-650