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MOR 260: National Board Exam Review > Thanatochemistry Comprehensive Exam > Flashcards

Thanatochemistry Comprehensive Exam Flashcards

1
Q

The process of removing water of crystallization from a compound is called:

A

Dehydration

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2
Q

The tertiary structure of a protein:

A

Is the arrangements of the subunits

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3
Q

The sodium salt of EDTA is used as a _____ in embalming fluids

A

Anticoagulant

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4
Q

The mass of an atom is mainly due to:

A

Protons + neutrons

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5
Q

In simple ethers the two alkyl groups are:

A

The same

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6
Q

What state of matter has the most energy?

A

Gas

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7
Q

What compound is said to be an organic base?

A

Amines

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8
Q

The formula ROH is the general formula for:

A

Alcohols

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9
Q

The amount of energy absorbed by a unit mass of matter is the:

A

Absorbed dose

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10
Q

Amino acids are the building blocks of:

A

Proteins

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11
Q

The temperature at which a substance changes from the liquid state to the gaseous state is the:

A

Boiling point

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12
Q

Decarboxylation is a:

A

Form of putrefaction

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13
Q

Any substance that breaks apart in aqueous solution to yield hydroxide ions

A

Arrhenius base

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14
Q

Any substance that accepts a pair of electrons

A

Lewis acid

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15
Q

Any substance that donates a pair of electrons

A

Lewis base

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16
Q

A proton donor

A

Bronsted-Lowry acid

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17
Q

Substances that give up their water of crystallization to the surrounding air are:

A

Efflorescent

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18
Q

Thioesters contain _____ instead of oxygen

A

Sulfur

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19
Q

When embalming a body that has recently received radionuclide therapy:

A

Use large quantities of water

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20
Q

Permanent hardness of water:

A

Cannot be removed by boiling

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21
Q

Density can be defined as:

A

D = M/V

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22
Q

When naming alkanes the ending is always:

A

Ane

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23
Q

Margarines are formed by _____ of vegetable oils

A

Hydrogenation

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24
Q

A substance containing only two elements, one of which is oxygen is a:

A

Oxide

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25
Q

A pH of 8 indicates a:

A

Basic solution

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26
Q

The polymer that formaldehyde forms is called:

A

Paraformaldehyde

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27
Q

Carboxylic acid + base will produce:

A

Salt + Water

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28
Q

Formalin contains:

A
  • 37% formaldehyde gas by mass

* 40% formaldehyde gas by volume

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29
Q

_____ are defined as substances that cannot be decomposed by further chemical means

A

Elements

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30
Q

How many electrons can be held in an s orbital?

A

2

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31
Q

The standard unit of measurement for volume is the:

A

Liter

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32
Q

A catalyst:

A

Speeds up chemical reactions

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33
Q

The process where a solid goes directly to the gaseous state without going through a liquid state is called:

A

Sublimation

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34
Q

The process of boiling fats or oils with aqueous alkali is:

A

Saponification

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35
Q

The reaction of an acid with a base to form water and a salt is called:

A

Neutralization

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36
Q

The study of compounds produced by living organisms is the definition for:

A

Biochemistry

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37
Q

Water hardness is most commonly caused by:

A

Calcium

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38
Q

Crenation is when:

A

A blood cell shrinks

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39
Q

Positrons are a form of:

A

Beta decay

40
Q

Mercaptans are:

A
  • Similar to alcohols
  • Contain sulfur
  • Produce obnoxious odors
41
Q

Carbon has a combining capacity of:

A

4

42
Q

Alkynes are:

A

Unsaturated

43
Q

If you start with H2O and end up with hydrogen and oxygen, what type of reaction has occurred:

A

Decomposition

44
Q

Formaldehyde is a:

A

Gas

45
Q

Which of the following is a chemical change?

  • Cutting fabric
  • Dissolving salt in water
  • Burning human remains
  • Melting ice
A

Burning human remains

46
Q

Any radioactive material is a:

A

Radionuclide

47
Q

Which of the following compounds does not have cholesterol as a precursor?

  • Amines
  • Bile salts
  • Vitamin D
  • Hormones
A

Amines

48
Q

H2O is an example of a:

A

Compound

49
Q

The charge on a proton is:

A

+1

50
Q

Which of the following is not a form of protection from radiation?

  • Shielding
  • Time
  • Absorbed dose
  • Distance
A

Absorbed dose

51
Q

Carbohydrates:

A
  • Contain carbon, hydrogen, and oxygen
  • Are aldoses or ketoses
  • Are derivatives of polyhydroxy alcohols
52
Q

In Boyle’s Law, if the pressure increases the volume must:

A

Decrease

53
Q

The removal of electrons from a substance

A

Oxidation

54
Q

The addition of oxygen to a substance

A

Oxidation

55
Q

The addition of hydrogen to a substance

A

Reduction

56
Q

The addition of electrons to a substance

A

Reduction

57
Q

A battery which is not being used at the present is a good example of:

A

Potential energy

58
Q

The high boiling point of water is a result of:

A

Hydrogen bonding

59
Q

The study of certain carbon compounds is the definition of:

A

Organic chemistry

60
Q

Aromatic aldehydes are used as _____ in embalming fluids

A

Perfuming agents

61
Q

Monohydroxy alcohols contain _____ OH groups:

A

1

62
Q

Proenzymes are:

A

Inactive precursors of enzymes

63
Q

Formaldehyde cross-links which of the following in proteins?

A
  • Imino groups
  • Amino groups
  • Peptide linkages
64
Q

Index is defined as:

A

Grams of pure formaldehyde per 100 millimeters of solution

65
Q

The presence of excess nitrogen in human remains will:

A

Increase formaldehyde demand

66
Q

The conversion of an atom of one element into an atom of another is:

A

Transmutation

67
Q

Benzene and its derivatives are said to be:

A

Aromatic

68
Q

Not yet saturated

A

Unsaturated solution

69
Q

Small amount of solute in relation to solvent

A

Dilute solution

70
Q

Contains more solute than can be held under normal conditions

A

Supersaturated

71
Q

Greater amount of solute in relation to solvent

A

Concentrated solution

72
Q

A compound that is amphoteric can:

A

Act as both an acid and a base

73
Q

Any process that liberates or gives off heat is:

A

Exothermic

74
Q

Aldehydes are partially oxidized to produce:

A

Acids

75
Q

A substance that has a molecular mass that is approximately a multiple of the original substance is a:

A

Polymer

76
Q

The portion of the enzyme that binds to the substrate is called the:

A

Active site

77
Q

Alkenes contain:

A

Double bonds

78
Q

H2SO4, sulfuric acid is a _____ acid

A

Diprotic

79
Q

Which element is responsible for blood clotting?

A

Ca

80
Q

A metallic substance that is composed of two or more metallic elements is the definition of:

A

Solid solution

81
Q

A mixture of two mutually insoluble substances, such as dirt and water, with the dirt being held in suspension by a third substance is:

A

Emulsion

82
Q

_____ are substances composed of two or more elements chemically united in a definite proportion by mass

A

Compounds

83
Q

A compound in which there is a chemical union between water and the molecules of certain substances is a:

A

Hydrate

84
Q

The prefix milli represents

A

1/1000

85
Q

All of the hydrogens in a carboxylic acid are considered to be acidic. (T/F)

A

True

86
Q

Esters are used in embalming fluids as _____

A

Perfuming agents

87
Q

Glycerin is used as a _____ in embalming fluids

A

Humectant

88
Q

The melting point of a substance is considered to be a:

A

Physical property

89
Q

Hydrolysis of a polysaccharide produces:

A

Many monosaccharides

90
Q

Which of the following travels as a wave?

  • Alpha radiation
  • Beta radiation
  • Gamma rays
  • All of the above
  • None of the above
A

Gamma rays

91
Q

Complete oxidation of any organic compound produces:

A
  • Carbon dioxide

* Water

92
Q

Some quaternary ammonium salts are used in embalming fluids as:

A

Supplementary germicides

93
Q

Which of the following does not undergo hydrolysis?

  • Miscellaneous lipids
  • Simple lipids
  • Compound lipids
  • Polylipids
A

Miscellaneous lipids

94
Q

_____ are composed of two or more nonchemically united substances that are in no definite proportion by mass

A

Mixtures

95
Q

Strong electrolytes:

A

Do conduct electricity

96
Q

_____ bonds result from the complete transfer of electrons from one atom to another

A

Ionic

MOR 260: National Board Exam Review (42 decks)

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