Thanatochemistry Comprehensive Exam Flashcards Preview

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

Flashcards in Thanatochemistry Comprehensive Exam Deck (96):
1

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

Dehydration

2

The tertiary structure of a protein:

Is the arrangements of the subunits

3

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

Anticoagulant

4

The mass of an atom is mainly due to:

Protons + neutrons

5

In simple ethers the two alkyl groups are:

The same

6

What state of matter has the most energy?

Gas

7

What compound is said to be an organic base?

Amines

8

The formula ROH is the general formula for:

Alcohols

9

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

Absorbed dose

10

Amino acids are the building blocks of:

Proteins

11

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

Boiling point

12

Decarboxylation is a:

Form of putrefaction

13

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

Arrhenius base

14

Any substance that accepts a pair of electrons

Lewis acid

15

Any substance that donates a pair of electrons

Lewis base

16

A proton donor

Bronsted-Lowry acid

17

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

Efflorescent

18

Thioesters contain _____ instead of oxygen

Sulfur

19

When embalming a body that has recently received radionuclide therapy:

Use large quantities of water

20

Permanent hardness of water:

Cannot be removed by boiling

21

Density can be defined as:

D = M/V

22

When naming alkanes the ending is always:

Ane

23

Margarines are formed by _____ of vegetable oils

Hydrogenation

24

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

Oxide

25

A pH of 8 indicates a:

Basic solution

26

The polymer that formaldehyde forms is called:

Paraformaldehyde

27

Carboxylic acid + base will produce:

Salt + Water

28

Formalin contains:

* 37% formaldehyde gas by mass
* 40% formaldehyde gas by volume

29

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

Elements

30

How many electrons can be held in an s orbital?

2

31

The standard unit of measurement for volume is the:

Liter

32

A catalyst:

Speeds up chemical reactions

33

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

Sublimation

34

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

Saponification

35

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

Neutralization

36

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

Biochemistry

37

Water hardness is most commonly caused by:

Calcium

38

Crenation is when:

A blood cell shrinks

39

Positrons are a form of:

Beta decay

40

Mercaptans are:

* Similar to alcohols
* Contain sulfur
* Produce obnoxious odors

41

Carbon has a combining capacity of:

4

42

Alkynes are:

Unsaturated

43

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

Decomposition

44

Formaldehyde is a:

Gas

45

Which of the following is a chemical change?

* Cutting fabric
* Dissolving salt in water
* Burning human remains
* Melting ice

Burning human remains

46

Any radioactive material is a:

Radionuclide

47

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

* Amines
* Bile salts
* Vitamin D
* Hormones

Amines

48

H2O is an example of a:

Compound

49

The charge on a proton is:

+1

50

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

* Shielding
* Time
* Absorbed dose
* Distance

Absorbed dose

51

Carbohydrates:

* Contain carbon, hydrogen, and oxygen
* Are aldoses or ketoses
* Are derivatives of polyhydroxy alcohols

52

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

Decrease

53

The removal of electrons from a substance

Oxidation

54

The addition of oxygen to a substance

Oxidation

55

The addition of hydrogen to a substance

Reduction

56

The addition of electrons to a substance

Reduction

57

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

Potential energy

58

The high boiling point of water is a result of:

Hydrogen bonding

59

The study of certain carbon compounds is the definition of:

Organic chemistry

60

Aromatic aldehydes are used as _____ in embalming fluids

Perfuming agents

61

Monohydroxy alcohols contain _____ OH groups:

1

62

Proenzymes are:

Inactive precursors of enzymes

63

Formaldehyde cross-links which of the following in proteins?

* Imino groups
* Amino groups
* Peptide linkages

64

Index is defined as:

Grams of pure formaldehyde per 100 millimeters of solution

65

The presence of excess nitrogen in human remains will:

Increase formaldehyde demand

66

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

Transmutation

67

Benzene and its derivatives are said to be:

Aromatic

68

Not yet saturated

Unsaturated solution

69

Small amount of solute in relation to solvent

Dilute solution

70

Contains more solute than can be held under normal conditions

Supersaturated

71

Greater amount of solute in relation to solvent

Concentrated solution

72

A compound that is amphoteric can:

Act as both an acid and a base

73

Any process that liberates or gives off heat is:

Exothermic

74

Aldehydes are partially oxidized to produce:

Acids

75

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

Polymer

76

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

Active site

77

Alkenes contain:

Double bonds

78

H2SO4, sulfuric acid is a _____ acid

Diprotic

79

Which element is responsible for blood clotting?

Ca

80

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

Solid solution

81

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

Emulsion

82

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

Compounds

83

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

Hydrate

84

The prefix milli represents

1/1000

85

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

True

86

Esters are used in embalming fluids as _____

Perfuming agents

87

Glycerin is used as a _____ in embalming fluids

Humectant

88

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

Physical property

89

Hydrolysis of a polysaccharide produces:

Many monosaccharides

90

Which of the following travels as a wave?

* Alpha radiation
* Beta radiation
* Gamma rays
* All of the above
* None of the above

Gamma rays

91

Complete oxidation of any organic compound produces:

* Carbon dioxide
* Water

92

Some quaternary ammonium salts are used in embalming fluids as:

Supplementary germicides

93

Which of the following does not undergo hydrolysis?

* Miscellaneous lipids
* Simple lipids
* Compound lipids
* Polylipids

Miscellaneous lipids

94

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

Mixtures

95

Strong electrolytes:

Do conduct electricity

96

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

Ionic

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