FREE BMS Funeral Service Microbiology and Pathology Questions and Answers Flashcards

Which type of bacteria is most commonly associated with gas gangrene in deceased remains?

Answer: Clostridium perfringens

Clostridium perfringens produces gas in tissues through anaerobic fermentation, causing the characteristic bloating seen in gas gangrene.

What is the primary purpose of a disinfectant used on embalming instruments between cases?

Answer: To destroy pathogenic microorganisms on surfaces

Disinfectants are applied to destroy pathogenic microorganisms on instrument surfaces, reducing the risk of cross-contamination.

Which bloodborne pathogen poses the greatest occupational risk to embalmers due to its environmental stability?

Answer: Hepatitis B virus

Hepatitis B virus can survive on dry surfaces for up to seven days, making it the most persistent bloodborne threat in the preparation room.

During autolysis, which cellular organelle releases enzymes that begin breaking down the cell from within?

Answer: Lysosomes

Lysosomes contain hydrolytic enzymes that, upon cell death, rupture and digest cellular components in the process of autolysis.

What condition results when anaerobic bacteria in the intestines migrate through tissue walls after death?

Answer: Translocation

Translocation is the postmortem migration of intestinal bacteria through weakened tissue barriers into surrounding organs and tissues.

Which personal protective equipment is considered MOST critical when handling remains with suspected Mycobacterium tuberculosis?

Answer: N95 respirator

An N95 respirator is essential because M. tuberculosis is transmitted via airborne droplets that standard surgical masks cannot adequately filter.