BMS Bachelor of Mortuary Science Embalming and Mortuary Chemistry Questions and Answers Flashcards

Which chemical compound is the primary preservative agent used in arterial embalming fluids?

Answer: Formaldehyde

Formaldehyde is the principal preservative in arterial embalming fluids due to its ability to cross-link proteins and halt decomposition.

What is the purpose of a humectant in embalming fluid?

Answer: To retain moisture in tissues

Humectants such as glycerol and sorbitol help retain moisture in embalmed tissues, preventing excessive dehydration and maintaining a natural appearance.

What pH range is considered ideal for most arterial embalming solutions?

Answer: 3.0 to 4.5

Most arterial embalming solutions function optimally in an acidic pH range of approximately 3.0 to 4.5, which enhances formaldehyde's preservative action.

In embalming chemistry, what is the function of a surfactant (wetting agent)?

Answer: To reduce surface tension and improve fluid distribution

Surfactants reduce surface tension, allowing the embalming solution to penetrate tissues more evenly and thoroughly through the capillary beds.

Which vessel is most commonly used as the primary injection site during arterial embalming?

Answer: Common carotid artery

The common carotid artery is the most frequently used primary injection site because of its accessibility and proximity to the head, allowing effective preservation of facial features.

What is the chemical reaction called when formaldehyde binds to amino groups in tissue proteins?

Answer: Cross-linking (methylenation)

Formaldehyde preserves tissue through cross-linking, also called methylenation, where it forms methylene bridges between amino groups on adjacent protein chains.