Final answer:
The first general guideline is your responsibility for personal and others' safety. Although not explicitly stated in the choices, reading through the lab instructions thoroughly and keeping your work area neat are both essential steps for maintaining lab safety.
Step-by-step explanation:
The first general guideline in Lab Safety is that you are responsible for your own safety as well as the safety of others in the laboratory. Among the options given, Read lab through all the way before doing anything else is the most relevant to being prepared and understanding the procedures for safety, though it is important to note that actual lab safety guidelines may not always be ranked and that each guideline is critical for ensuring a safe environment.
Before starting any laboratory work, you should know where specific safety equipment is located, like the fire extinguisher and the eyewash station. It is also essential to wear appropriate clothing and protective gear. During laboratory activities, it's crucial to obey all safety guidelines, which include not eating or drinking in the laboratory, tying back long hair, and knowing how to act in case of an emergency. It is not listed as an option, but given other safety rules, the importance of organizing your work area would be captured under ensuring to Keep lab table or desk neat and organized to avoid spilling or breaking anything while working.