Which of the following statements regarding physical methods of euthanasia is true? a) There are few aesthetic considerations for this form of euthanasia. b) Physical methods of euthanasia may be the most humane method for relieving pain and suffering in some instances. c) Physical methods of euthanasia always cause more distress for the animal. d) Exsanguination, stunning, and pithing are acceptable physical methods of euthanasia for horses and cattle. {Ans: b) Physical methods of euthanasia may be the most humane method for relieving pain and suffering in some instances. Source: AALAS Learning Library Regulatory and IACUC Compliance Track > US Mandates and Guidelines > Euthanasia of Research Animals: AVMA Guidelines"}Life support systems are usually one of three types: re-circulating, flow-through, or ____________________. a) aeration b) ionized c) neutralized d) static {Ans: d) static}Antinociception occurs at a surgical plane of anes¬thesia and must be ascertained before surgery. a. True b. False {Ans: a. True}True or False: Under VA rules, the facility Director is the CEO, and can delegate IO responsibility to someone else. {Ans: False. VA rules mandate that the Director serve as the IO.}If a federal employee assigns intellectual property rights for an invention to the