Which of the following is true regarding the use of animals in research? the meetings where an iacuc reviews animal research protocols must be open to anyone who wants to attend. the attending veterinarian must be allowed to have access to all research animals at all times. iacuc review is required for animal research funded by the usda but not for animal research funded by other branches of the federal government. u. s. regulations require veterinary review of protocols involving primates but not other types of animal species.