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AAMI CHEMISTRY FOR EMBALMERS UNIT #8 EXAM QUESTIONS AND ANSWERS
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AAMI CHEMISTRY FOR EMBALMERS UNIT #8 EXAM QUESTIONS AND ANSWERS
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AAMI CHEMISTRY FOR EMBALMERSUNIT #8 EXAM QUESTIONS AND
ANSWERS
Shelf Life - Answer-the _________ of embalming fluid refers to the length of time the
fluid maintains its functionality before it is used.
Temperature, Time, pH, Light - Answer-what are 4 factors that affect the shelf life of
embalming chemicals?
Elevated - Answer-________ temperatures accelerate polymerization of formaldehyde
into paraformaldehyde, a solid that precipitates out of the solution. This has an overall
effect of reducing the index of the remaining fluid.
Decomposition - Answer-elevated temperatures cause ________ of other disinfectant
and preservative components in the fluid.
Depressed - Answer-_______ temperatures cause precipitation of solutes.
2, 5 - Answer-the average shelf life for embalming chemicals is ___-___ years.
Time - Answer-this will cause polymerization of many of the components of embalming
fluid especially formaldehyde.
6 - Answer-on average you shouldn't keep more than a ____ month supply of
embalming fluid on hand.
Methanol - Answer-this is routinely used as an antipolymerizing agent for formaldehyde.
Given enough time it can be oxidized to formaldehyde which will then turn into
paraform.
pH - Answer-this refers to the acidity or alkalinity of the solution.
Formic Acid - Answer-formaldehyde can be readily oxidized to ______ when there are
shifts in the pH.
Decomposition - Answer-a strong alkaline solution causes ______ of the formaldehyde.
Strong - Answer-a _______ alkaline solution causes decomposition of the
formaldehyde.
Polymerization - Answer-a highly acidic solution promotes _______ of the
formaldehyde.
,Acidic - Answer-a highly ________ solution promotes polymerization of the
formaldehyde.
Buffers - Answer-adding ________ prolongs shelf life.
Oxidized - Answer-some dyes maybe _______ when exposed to light which causes a
color change of the fluid.
Light - Answer-some dyes maybe oxidized when exposed to ________ which causes a
color change of the fluid.
Light - Answer-_______ can also increase polymerization of formaldehyde.
Arterial - Answer-______ fluid is the concentrated, preservative embalming chemical
that will be diluted with water or another appropriate vehicle such as alcohol to form the
arterial solution also known as embalming solution or primary dilution for injection into
the arterial system during vascular embalming.
Embalming - Answer-_______ fluid is an aqueous solution of gasses, liquids, and solids
injected into the arterial system for diffusion into the tissue cells to aid in preservation.
Primary, Secondary - Answer-arterial fluid may be a part of both ________ and
________ injections.
Primary - Answer-the first initial injection which may or may not contain preservatives.
Preinjection - Answer-what is primary injection sometimes referred to as?
Secondary - Answer-the injection that takes place after the primary injection.
Index, Color - Answer-the classification of arterial fluid is done in two way which are?
Index - Answer-the amount of formaldehyde gas in grams dissolved in 100 ml. of
solution.
Strong - Answer-index of 26-36 is considered a ________ fluid.
Strong - Answer-a ________ fluid with an index of 26-36 will:
- cause rapid tissue coagulation and fixation with a definite degree of firmness.
- used for problem cases and more difficult to firm bodies.
- improper use may cause an excessive degree of dehydration.
Medium - Answer-index of 16-25 is considered a ________ fluid.
Medium - Answer-a ______ fluid with an index of 16-25 will:
, - produce moderate, slow-forming flexible firmness with little dehydration.
- used for routine cases
Weak - Answer-index of 5-15 is considered a _______ fluid
Weak - Answer-a ______ fluid with an index of 5-15 will:
- produce minimum amounts of firming
- is used for jaundice cases, children, and infants
Cosmetic - Answer-these fluids contain active dyes that give color to body tissues.
Non-Cosmetic - Answer-these fluids contain inactive dyes that cause no color change in
the body, they color the fluid only.
Preservatives - Answer-these are some of the most important components of arterial
fluid.
Preservatives - Answer-these inactivate saprophytic bacteria and render the medium
upon which they thrive unsuitable for nutrition.
Preservatives - Answer-these arrest decomposition by altering the enzymes of the body
by denaturing the proteins of the body in such a manner that the enzymes of
decomposition cannot work. They convert decomposable tissue into a form less
suseptible to decomposition.
Preservatives - Answer-all _______ have disinfecting value, but many disinfectants
have preserving power as well.
Cross Linking - Answer-all aldehydes function by _______ proteins.
Formaldehyde - Answer-what is the most frequently used aldehyde?
Gluteraldehyde - Answer-what is the second most frequently used aldehyde?
Formaldehyde - Answer-this is inexpensive, bactericidal and inhibits yeast and mold
growth.
Formaldehyde - Answer-this rapidly destroys autolytic enzymes and acts of the body's
proteins making them insoluble and thereby inhibits tissue decomposition.
Small - Answer-a _______ amount of formaldehyde is needed to act on a large amount
of protein.
Amines - Answer-formaldehyde deodorizes the body _______ formed during
putrefaction.
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