FSE2930 Prof. Review Midterm UPDATED ACTUAL Exam Questions and CORRECT Answers

FSE2930 Prof. Review Midterm UPDATED
ACTUAL Exam Questions and CORRECT
Answers
List some examples of vehicles used in embalming fluid. - CORRECT ANSWER - Water,
Alcohol


Those chemicals which are used to make or destroy the odors of the decomposing body -
CORRECT ANSWER - Deodorants



List some examples of humectants. - CORRECT ANSWER - Glycerol a.k.a. Glycerin,
Sorbitol, Glycols, Lanolin


Those chemicals in embalming fluid which will reduce the molecular cohesion of a liquid -
CORRECT ANSWER - Surfactant



List the components of solid autopsy chemical. - CORRECT ANSWER - Preservative,
Dehydrating agent, Filler


List the fillers that are added to autopsy chemicals. - CORRECT ANSWER - Perlite,
vermiculite and cellulose (saw dust)


Those embalming fluids which are intended to be injected into the cavities of the body following
aspiration - CORRECT ANSWER - Cavity fluid


List the 5 factors that affect the shelf-life of an embalming chemical. - CORRECT
ANSWER - 1. Temperature extremes 2. Storage length 3. Amount of antipolymerization
agents 4. pH of the solution 5. Exposure to light


9. The substance carbon tetrachloride is used in embalming as a(n) - CORRECT
ANSWER - Organic solvent

,Differentiate between exothermic and endothermic processes. - CORRECT ANSWER -
Exothermic processes give off heat. Endothermic processes absorb heat from the surroundings.


The antipolymerization agent for formaldehyde - CORRECT ANSWER - Methanol


List and give an example from each of the three families that are used as disinfectants and
preservatives. - CORRECT ANSWER - Aldehydes - Examples: Formaldehyde and
Glutaraldehyde, Alcohols - Examples: Methanol, Ethanol and Propanol, Coal Tar Derivatives -
Examples: Phenol and Cresol


Those chemicals in arterial fluid that inactivate the saprophytic bacteria and inhibit further
decomposition - CORRECT ANSWER - Preservatives



Those lipids that contain 3 fatty acids - CORRECT ANSWER - Triglycerides



Define Isomers. - CORRECT ANSWER - Two or more substances that consist of the
same molecular composition but have a different arrangement.


The common use of ethylene glycol - CORRECT ANSWER - Antifreeze



List examples of a chemical change relative to funeral services. - CORRECT ANSWER -
Embalming, Cremation, Decomposition


Those substances which are composed of 2 or more elements physically combined, though not
chemically combined - CORRECT ANSWER - Mixtures


Other than being a good humectant, how is glycerol used in the arterial injection? - CORRECT
ANSWER - It serves to facilitate the solubility and the diffusion of the formaldehyde in
the embalming operation.

,An ion composed of atoms of 2 or more elements - CORRECT ANSWER - Polyatomic
ions


Another name for Phenol - CORRECT ANSWER - Carbolic acid



Give an example of Rapid Oxidation. - CORRECT ANSWER - Burning of wood or paper



List some physical characteristics of Formaldehyde - CORRECT ANSWER - Colorless
gas with pungent odor


List the substance name for formaldehyde in each of the following three states of Matter (Liquid,
Solid, Gas). - CORRECT ANSWER - 1. Formalin 2. Paraformaldehyde 3. Formaldehyde


Formalin is what percentage formaldehyde by weight? by volume? - CORRECT
ANSWER - By weight 37% By volume 40%



Differentiate between Hypotonic and Hypertonic solutions. - CORRECT ANSWER -
Hypotonic Solutions contains less solute and a Hypertonic solution contains more solute.


The saponification of human fats will produce - CORRECT ANSWER - Grave wax a.k.a.
Adipocere


Are proteins crystalloid or colloid? - CORRECT ANSWER - Crystalloid



What happens to the body's enzymes upon death? - CORRECT ANSWER - Since there is
no additional substrate coming into the body, it will act upon the body's tissue.


Formaldehyde has an affinity for this element - CORRECT ANSWER - Nitrogen

, Paraformaldehyde is used in embalming as - CORRECT ANSWER - a treatment for
viscera or open cavities of autopsied bodies


Acetone is used in embalming as - CORRECT ANSWER - Organic Solvent


What part of the embalming process will neutralize endoenzymes? - CORRECT
ANSWER - Arterial Injection



List the 5 actions of preservatives. - CORRECT ANSWER - 1. Neutralize protein and
amino acids 2. Inhibit further decomposition 3. Inactivate enzymes 4. Kill Microorganisms 5.
Destroy odors of decomposition


The solid form of protein - CORRECT ANSWER - Coagulate


What happens to a protein coagulate if the body contains excessive amounts of water following
the embalming? - CORRECT ANSWER - The coagulate can return back to the liquid form
of protein which is more susceptible to decomposition


List the characteristics of Formaldehyde. - CORRECT ANSWER - Colorless, water-
soluble gas with a pungent, irritating odor


The liquid compound form of formaldehyde - CORRECT ANSWER - Formalin



List some examples of Disinfectants. - CORRECT ANSWER - Gluturaldehyde,
Quaternary Ammonium compound


The slow oxidation of organic matter caused by aerobic bacteria - CORRECT ANSWER -
Putrefaction


When Ammonia and Formaldehyde mix, what is produced? - CORRECT ANSWER -
Urotropin