05.03.153 is a section of the Ettinger text, which pertains to the subject of anesthesia. In this section, the text focuses on the safety and efficacy of general anesthetics and the criteria for their use. The text also outlines various types of anesthesia, the various levels of monitoring, and the pharmacology of the drugs used. It includes a detailed look at the indications, contraindications, and side effects of different drugs and procedures. Finally, the section focuses on patient education and the importance of monitoring, including the vital signs, in order to ensure safe, effective operations.