Bio-safety Course Questions and Answers with Complete Solutions

Bio-safety Course Questions and Answers with Complete Solutions **Mycobacterium tuberculosis, a human pathogen transmitted via inhalation, with a low infectious dose and potential for severe disease, including mortality, belongs to which Risk Group?** **Correct Answer:** Risk Group 3 **How many distinct Risk Groups are established to classify pathogen severity and serve as the starting point for risk assessments?** **Correct Answer:** Four **Which Risk Group includes pathogens like Ebola virus, known for causing severe or lethal diseases without readily available preventive or therapeutic measures?** **Correct Answer:** Risk Group 4 **Salmonella and Shigella, common examples of biohazards, begin their risk assessment at which Risk Group level?** **Correct Answer:** Risk Group 2 **This Biosafety Level mandates at least two-door separation between biohazard areas and nonresearch personnel, requires inward airflow, and includes visual airflow verification.** **Correct Answer:** BSL3 **Regarding U.S. biohazard regulations, which statement accurately reflects compliance under the OSHA General Duty Clause in research laboratories?** **Correct Answer:** The OSHA General Duty Clause (Section 5A1) applies to biohazards in research settings. **In Gwladys Caspars' Risk Group Comparison Table, the precaution "don't touch it" applies to pathogens classified under which Risk Group?** **Correct Answer:** Risk Group 2 **How many Biosafety Levels have been established to define recommended practices for containing biological hazards and designing laboratory facilities?** **Correct Answer:** Four **Salmonella and Shigella are categorized under which Risk Group due to their potential as human pathogens?** **Correct Answer:** Risk Group 2 **True or False: Principal Investigators are required to establish a Risk Group classification for pathogens used in research due to the absence of globally published lists for human pathogens.** **Correct Answer:** False **True or False: Researchers are exempt from formal risk assessments if they wear basic personal protective equipment such as gloves, lab coats,