Anesthesia Exam 1 Questions With Complete Solutions

What are the three goals of the anesthetic period? correct answer: 1. Amnesia/ unconsciousness 2. Muscle relaxation 3. Analgesia What are the components of the anesthetic period? correct answer: - Pre-anesthetic evaluation +/- stabilization of the patient - Premedication - Induction of general anesthesia - General anesthesia - Maintenance - Recovery What goes into the pre-anesthetic evaluation/ stabilization of the patient? correct answer: • Physical exam and thorough history • Images (radiographs, CT) • Blood work • Previous anesthesia records • ASA Status What is ASA status? correct answer: • American Society of Anesthesiologists' system for classifying fitness of patients before anesthesia • ASA I: normal, healthy patient with no discernible disease • ASA II: patient with mild systemic disease; no functional limitations and disease is well-controlled • ASA III: patient with severe disease that is non- life threatening • ASA IV: patient with severe systemic disease that is a constant threat to life • ASA V: moribund patient who is not expected to survive without the operation for > 24 hours • E: emergency procedure What is the purpose of fasting prior to anesthesia? correct answer: • Minimize regurgitation and aspiration • Reduce the stomach size - improve ventilation under anesthesia How long do we withhold food prior to anesthesia? correct answer: • Dogs and cats Adults: 6 - 8 hours < 8 weeks of age: 1 to 2 hours (same with little rodents and rabbits due to issues with blood glucose) • Horses: 8 hours • Ruminants Cows: 48 hours Decrease gas buildup (will never completely empty the rumen) Small ruminants: 24 hours