WGU D311 Microbiology Sterilization and Infection Control Complete Study Guide with Detailed Notes, Fomite Transmission, Biological Safety Levels BSL 1 to BSL 4, Sterilization and Sterilants, Aseptic Technique and Asepsis, Sepsis and Infection Spread, Ste

WGU D311 Microbiology Sterilization and Infection Control Complete Study Guide with Detailed Notes, Fomite Transmission, Biological Safety Levels BSL 1 to BSL 4, Sterilization and Sterilants, Aseptic Technique and Asepsis, Sepsis and Infection Spread, Sterile Field Protocols, Commercial Sterilization in Food Safety, Disinfection and Disinfectants, Antiseptics and Antisepsis, Critical and Semicritical Items, Degerming and Sanitization Methods, Bactericidal Agents, Microbial Control Strategies Practise Exam Questions Verified and Provided with Complete Answers Graded A+ Latest Updated 2026 Fomite Any inanimate object to which infectious material adheres and can be transmitted. Describe the biological safety levels (BSL) BSL-1: Pose minimal risks to workers and environment BSL-2: Pose moderate risks to workers and environment BSL-3: Serious or lethal diseases spread through respiration BSL-4: Fatal without any treatment or vaccines Sterilization The process that completely destroys all microbial life, including spores. Sterilant a chemical agent that destroys all microbes Aseptic technique method used to make the environment, the worker, and the patient as germ-free as possible Asepsis absence of significant contamination Sepsis toxic inflammatory condition arising from the spread of microbes, especially bacteria or their toxins, from a focus of infection Sterile field an area that is set up for certain procedures and is free from all organisms Commercial sterilization type of sterilization protocol used in food production; uses conditions that are less harsh (lower temperatures) to preserve food quality but still effectively destroy vegetative cells and endospores of common foodborne pathogens such as Clostridium botulinum Disinfection A process that eliminates many or all microorganisms, with the exception of bacteria spores, from inanimate objects Disinfectants antimicrobial chemical applied to a fomite during disinfection that may be toxic to tissues Ant