FREE BMS Bachelor of Mortuary Science Pathology and Microbiology Questions and Answers Flashcards

Which type of necrosis is most commonly associated with Mycobacterium tuberculosis infection?

Answer: Caseous necrosis

Caseous necrosis produces a soft, white, cheese-like appearance characteristic of tuberculosis granulomas.

What is the primary virulence factor that allows Staphylococcus aureus to resist phagocytosis?

Answer: Protein A

Protein A binds the Fc region of IgG antibodies, preventing opsonization and phagocytic killing.

In the context of embalming, which pathogen is classified as a CDC Biosafety Level 3 organism?

Answer: Mycobacterium tuberculosis

M. tuberculosis requires BSL-3 precautions due to its airborne transmission and serious infection risk during embalming procedures.

Which immunoglobulin class is the first antibody produced during a primary immune response?

Answer: IgM

IgM is the earliest antibody produced and is effective at agglutination due to its pentameric structure.

What type of inflammation is characterized by the formation of granulomas with multinucleated giant cells?

Answer: Chronic granulomatous inflammation

Chronic granulomatous inflammation features organized collections of macrophages that fuse into multinucleated giant cells around persistent irritants.

Which microorganism is an obligate anaerobe commonly found in gangrene and is a major concern during tissue preparation?

Answer: Clostridium perfringens

Clostridium perfringens produces gas and tissue-destroying toxins that cause gas gangrene, a significant concern in mortuary science.