Description should include

the participants involved in the decision to perform euthanasia
legal and ethical issues concerning animal euthanasia (e.g., proof of animal ownership, release from responsibility)
documentation required prior to performing euthanasia
factors to consider when scheduling an appointment for euthanasia
pharmacological agents and other methods of euthanasia
species suitability for various methods of euthanasia
safety and restraint procedures
behaviors and/or physiological changes the animal may exhibit during euthanasia.

See also "Guidelines for the Euthanasia of Animals" (American Veterinary Medical Association).

Process/Skill Questions:

Who decides when an animal should be euthanized? Why?
Who performs euthanasia? Why?
When is a gunshot considered an acceptable means of euthanasia? What are some potential dangers of using this method?
When selecting a method of euthanasia, what is the primary consideration?
What is the most common method of euthanasia? Why is it used so frequently?
How does the penetrating captive bolt cause death of an animal?
How are the trends in Fear Free Handling impacting euthanasia procedures?
Why is it important for an IV catheter to be placed prior to intravenous administration of euthanasia solution?
Why is it critical to ensure the owner of record is authorizing the procedure?
Why should a veterinarian or licensed veterinary technician (LVT) auscultate the thorax to verify loss of heartbeat in the presence of the owner?