Funeral Service Microbiology and Pathology Flashcards
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Read the first 7 Funeral Service Microbiology and Pathology flashcards as text
Which type of hepatitis virus is transmitted primarily through fecal-oral contamination and poses a risk from deceased individuals with poor hygiene conditions?
Answer: Hepatitis A
Hepatitis A is transmitted via the fecal-oral route and can be present in remains where sanitation was compromised.
The process by which bacteria break down proteins in decomposing tissue into simpler nitrogenous compounds is called:
Answer: Putrefaction
Putrefaction is the anaerobic bacterial decomposition of proteins, producing malodorous nitrogenous compounds.
Which of the following best describes a prion-related disease that embalmers must be aware of as an occupational biohazard?
Answer: Creutzfeldt-Jakob Disease
Creutzfeldt-Jakob Disease (CJD) is caused by misfolded prion proteins resistant to standard disinfection, requiring special precautions during embalming.
A funerary professional notes greenish discoloration beginning in the right iliac region of a body. This is most directly caused by:
Answer: Clostridium bacteria producing hydrogen sulfide with hemoglobin
The greenish discoloration (skin slip) in the right iliac region is caused by Clostridium bacteria reacting hydrogen sulfide with hemoglobin to form sulfhemoglobin.
Which gram-positive, spore-forming anaerobe is responsible for gas gangrene and is a significant concern in traumatic deaths?
Answer: Clostridium perfringens
Clostridium perfringens produces alpha-toxin and gas, causing gas gangrene in soft tissues and poses embalming challenges.
In pathology, the term 'infarct' refers to:
Answer: An area of necrosis resulting from ischemia
An infarct is an area of tissue necrosis caused by ischemia (insufficient blood supply), commonly seen in myocardial and pulmonary infarctions.
Which disinfection level is required to destroy Mycobacterium tuberculosis on embalming instruments?
Answer: Intermediate-level disinfection
Intermediate-level disinfection, using tuberculocidal agents, is required to kill Mycobacterium tuberculosis on instruments.
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