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Chem capstone final
Chem Final with Capstone quest
| Question | Answer |
|---|---|
| Hardening compounds are used: | as autopsy chemicals |
| Proteins are cross-linked by a methylene bridge: | between O atoms on different proteins |
| Paraformaldehyde is a(n): | solid |
| How many ounces of formaldehyde are contained in a 16-ounce bottle of 25 index arterial fluid: | 4 ounces |
| Hardening compounds are used: | as autopsy chemicals |
| Hard Water: | promotes blood clotting |
| C2H5OH is: | ethanol |
| To facilitate the penetration of preservatives during surface embalming, the surface gels may contain: | phenol |
| Oil of wintergreen, is used by embalmers as: | a reodorant |
| Formaldehyde demand is increased by: | advanced stages of protein decomposition |
| Quaternary ammonium salts are used as: | germicides |
| If you increase the temperature, the effectiveness of a chemical agent as a disinfectant will generally: | be slower |
| Carbohydrates are: | polysaccharides |
| An example of a hydrocarbon is: | methane |
| A solution which CANNOT dissolve any more solute at a given temperature is: | saturated |
| The substance on which an enzyme acts is called: | substrate |
| Arterial fluids are buffered to a pH of: | 7.2 |
| The decomposition of body proteins by the action of aerobic bacteria is called: | decay |
| Which of the following compounds is used as a humectants: | glycerol |
| Which pH would be an acid solution: | 7.2 |
| A surfactant: | reduces surface tension of water |
| Wood alcohol is: | an antipolymerizing agent in arterial fluids |
| Which is a decomposition product of proteins: | amines |
| Walling off action is caused by: | too concentrated a solution of formaldehyde |
| The reaction of formaldehyde and a strong base: | decomposes formaldehyde |
| Paraformaldehyde is a polymer of: | formaldehyde |
| Saponification is the result of: | reaction of an acid with fat |
| An example of a dehydrating agent is: | alum |
| Hydrolysis of proteins yield: | amino acids |
| Formaldehyde preserves tissue by: | cross-linking of protein |
| Chemicals creating an increased capability for embalmed tissues to retain their moisture are termed: | humectants |
| Ponceau red is a(n): | dye |
| Humectants are substances which are: | hygroscopic (absorb moisture readily) |
| A carbonyl group is: | C=O |
| Extremely hard water should not be used in diluting embalming fluid because it: | |
| results in blood coagulation | |
| An anti-enzyme is any substance which: | inactivates enzymes |
| Proteolysis refers to decomposition of: | proteins |
| Wetting agents are also called: | surfactants |
| Cadaverine can be classified as a(n): | amine |
| Gluteraldehyde can be used as a: | germicide |
| Penetration and diffusion of embalming fluids is aided by: | buffers |
| The release of ammonia and its reaction with water, would make a solution: | more basic |
| A bacteria in a hypertonic solution will: | gain water |
| A bacteria in a hypotonic solution will | lose water |
| When plaster of paris is mixed with water and allowed to harden it is an example of: | a hydrate |
| Gluteraldehyde can be used as a: | germicide |
| A bacteria in a hypertonic solution will: | lose water |
| When plaster of paris is mixed with water and allowed to harden it is an example of: a hydrate | |
| The release of ammonia and its reaction with water, would make a solution: | more basic |
| Penetration and diffusion of embalming fluids is aided by: | buffers |
| To facilitate the penetration of preservatives during surface embalming, the surface gels may contain: | phenol |
| An anticoagulant can also be called a: | water conditioning agent |
| Saponification is the result of: | reaction of an acid with fat |
| Which of the following compounds is used as a humectants | glycerol |
| Which of the following will INHIBIT polymerization of formaldehyde: | methanol |
| Light will: | accelerate polymerization of formaldehyde |
| Which of the following will coagulate proteins: | water |
| Co-injection fluids generally consist of: | A) humectants |
| Ptomaines are: | amines, poisons, absorbed through skin; all of these |
| A dye which does not stain tissue is: | Ponceau red |
| Biliverdin: | is produced by a reaction of bilirubin and formaldehyde |
| Eosin is used as: | a dye |
| Imbibition results from: | absorption of moisture |
| Proteins are cross-linked by a methylene bridge: | between O atoms on different proteins |
| EDTA is used in embalming fluids as a(n): | anticoagulant or buffer |
| Organic bases are: | amines |
| Aminines | amino group only |
| Ampoteheic | acid and base |
| Disfection measures excercised before the embalming procedures begin | primary disinfection |
| Protein decomposition which involves the removal of the amine group from an amino acid is called | deaminization |
| Strong bases likeamines and ammonia are produced by decomposition and will destroy formaldehyde | True |
| Which of the following is a perfuming agent in an arterial fluid | methyl salicylate aka oil of wintergreen |
| Which of the following is a preservative in an arterial fluid | carbolic acid Aka phenol |
| Which of the following is a surfactant in an arterial fluid | sodium lauryl sulfates (sulfonates |
| Formaldehyde can polymerize to form | paraformaldehyde |
| Arterial embalming fluids may convert biliverdin into bilirubin | False |
| 2ppm is the | STEL for HCOH |
| Which of the following is a supplementary germicide in an arterial fluid | Glutaraldehyde |
| Cavityfluids contain a much lower concentration of disinfectants and preservatives than arterial fluids | false |
| The amount of formaldehyde necessary to overcome any nitrogen residue and cause the body proteins to become coagulated | formaldehyde demand |
| Formaldehyde and hemoglobin produce | methemoglobin |
| Which of the following is one of the five common actions of preservatives | inactiviate proteins, amino acids and enzymes |
| Adipocere would be most likely to form in a | moist alkaline place |
| Putrefaction is the decomposition of proteins by the action of enzymes and | anaerobic bacteria |
| Which of the following is humectants in an arterial fluid | glycerol or glycerin |
| Which of the following is an autopsy chemical | paraformaldehyde |
| Simple lipids are | esters of fatty acids and glycerol |
| Formaldehyde and water produce | methylene glycol |
| Which of the following is a dye in an arterial fluid | eosin |
| Which of the following is an inactive dye | ponceau red |
| Which of the following is buffer in an arterial fluid | Borax |
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