Care for and monitor the condition of animals recovering from surgery. Maintain controlled drug inventory and related log books. Administer anesthesia to animals, under the direction of a veterinarian, and monitor animals' responses to anesthetics so that dosages can be adjusted. Restrain animals during exams or procedures. Administer emergency first aid, such as performing emergency resuscitation or other life saving procedures. Observe the behavior and condition of animals and monitor their clinical symptoms. Perform laboratory tests on blood, urine, or feces, such as urinalyses or blood counts, to assist in the diagnosis and treatment of animal health problems. Prepare and administer medications, vaccines, serums, or treatments, as prescribed by veterinarians. Clean and sterilize instruments, equipment, or materials. Collect, prepare, and label samples for laboratory testing, culture, or microscopic examination. Prepare animals for surgery, performing such tasks as shaving surgical areas. Discuss medical health of pets with clients, such as post-operative status. Fill prescriptions, measuring medications and labeling containers. Take animals into treatment areas and assist with physical examinations by performing such duties as obtaining temperature, pulse, and respiration data. Maintain laboratory, research, or treatment records, as well as inventories of pharmaceuticals, equipment, or supplies.