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CHEMISTRY
1.
Identify the function associated with the
cytochrome system
6.
A.
B.
C.
D.
E.
A. it adds electrons to NAD
B. it uses ATP to produce water
C. it drains electron energy to
produce ATP
D. it removes electrons from glucose
2.
Alpha-ketoglutaric acid, a component of
Kreb’s cycle, can be used by the body to
produce
A. pyrrole in the process of
hemoglobin formation
B. isocitric acid
C. phosphenol pyruvic acid
D. nicotinamide-adenine dinucleotide
E. falvin adenine dinucleotide
3.
4.
glycogenolysis
glyconeogenesis
specific dynamic action
oxidative decarboxylation
glycolysis
The hydrolysis of a fat in the presence of an
alkali metal hydroxide is
A.
B.
C.
D.
E.
5.
7.
8.
hydrogenation
emulsification
saponification
neutralization
polymerization
The end products of fat digestion are
A.
B.
C.
D.
E.
lecithins and cephalins
cholesterol and sterols
carbon dioxide and water
glycerol and fatty acids
none of the above
at a pH of five
at a pH of seven
in a buffer system
in an acid solution
at their isoelectric point
The movement of colloidal particles under
the influence of an electric current is called
A.
B.
C.
D.
E.
9.
amino acids
uric acid
ammonia
carbon dioxide
glucose
Proteins are least soluble
A.
B.
C.
D.
E.
The conversion of alanine to carbohydrate is
termed
A.
B.
C.
D.
E.
The main catabolic product of purine
metabolism in man in
coacervation
cataphoresis
Tyndall effect
Brownian movement
diffusion
Which of the following compounds does not
appear to be rather directly involved in the
chemical reactions by which urea is formed
in the body
A.
B.
C.
D.
E.
citrulline
glucose
arginine
aspartic acid
ornithine
10. Which of the following is not a test for
carbohydrates
A.
B.
C.
D.
E.
Molish’s
acrolein
Benedict’s
Barfoed’s
Iodine
11. Consider the conversion
Alanine to lactic acid to glucose
This is an example of
A.
B.
C.
D.
E.
glycolysis
glycogenesis
glycongenolysis
gluconeogenesis
glycerogenesis
12. What is the most important part of the
glucose tolerance curve
A.
B.
C.
D.
E.
rise
fall
maximum
minimum
all of the above
13. The forms of an element differing in atomic
weight but having the same atomic number
A.
B.
C.
D.
E.
isochore
isocheim
isotopes
isomers
isobars
14. Name a condition charcterized by a blood
sugar of 400 mg and glucosuria
A.
B.
C.
D.
E.
diabetes insipidus
renal glucosuria
alimentary glucosuria
diabetes mellitus
pernicious anemia
15. The bile salts are
A. bilirubin and sodium triphosphate
B. sodium phosphate and sodium
glycolate
C. sodium subnitrate and sodium
taurocholate
D. sodium glycocholate and sodium
taurocholate
E. sodium glycocholate and biliverdin
16. After taking part in fat digestion and
absorption, most of the bile salts are
A.
B.
C.
D.
E.
excreted in the feces
excreted in the urine
decomposed by hepatic enzymes
reabsorbed into the portal system
returned to the kidney
17. Which of the following is not included in the
method of obtaining the Reichert-Meissel
number
A.
B.
C.
D.
E.
saponification
acidification
distillation
titration
acetylation
18. How many of the known amino acids are
essential for human growth and nutrition
A.
B.
C.
D.
E.
16
14
12
10
8
19. An important intermediate substance in the
cycle which forms urea is
A.
B.
C.
D.
E.
oxaloacetic acid
lactic acid
citric acid
ornithine
glutamine
20. What are the constituents of both NAD and
NADP
A.
B.
C.
D.
E.
niacinamide
para amino benzoic acid
pantothenic acid
ribofalvin
thiamine
21. Biotin is recognized as part of which group
A.
B.
C.
D.
E.
fat soluble group
minerals
C complex
B complex
none of the above
22. The hydrolysis of lactose yields
A.
B.
C.
D.
E.
mannose and fructose
galactose and mannose
fructose and glucose
galactose and glucose
lactic acid and protein
23. The effect of Vitamin C deficiency is
primarily on
A.
B.
C.
D.
E.
hematopoietic tissues
muscular tissues
nervous tissues
connective tissues
epithelial tissues
11. Which of the following vitamins is the best
antioxidant
A.
B.
C.
D.
E.
vitamin B2
vitamin E
vitamin B1
vitamin D2
vitamin A
12. Which pair of ions is most important for the
formation of bones and teeth
A.
B.
C.
D.
E.
K+, FMg++, ClMg++, SO4Ca++, HPO4
CO++, I-
13. At its isoelectric point , a protein behaves
A.
B.
C.
D.
E.
as an uncharged molecule
as neither an anion or cation
as both an anion and cation
as a cation
as an anion
14. The majority of calcium is found as
A.
B.
C.
D.
E.
ionized calcium
unionized calcium
both ionized and unionized calcium
bone salts
none of the above
15. Which of the following is an example of a
chemical change
A. separating the components of a
mixture with a centrifuge
B. developing an X-ray film
C. demagnetizing a magnet
D. evaporating water
E. reducing copper to a powder
16. The reaction of water with Sodium
Carbonate illustrates the process of
A.
B.
C.
D.
E.
synthesis
neutralization
electrolysis
hydrolysis
none of the above
17. When a crystal of the solute is added to a
saturated solution, which of the following
will occur
A. no change will occur
B. the crystal will dissolve and form a
supersaturated solution
C. a violent reaction will take place
D. crystals of the solute will separate
from the solution
E. none of the above
18. When a vegetable oil is converted to a solid
fat, which of the following elements is
introduced
A.
B.
C.
D.
E.
hydrogen
chlorine
nitrogen
oxygen
none of the above
19. The basic formula of an ether is
A.
B.
C.
D.
E.
R-O-OH
R-CHO
R-CL
R-O-H
R-O-R
20. The principle mechanical bonding between
amino acids in proteins is the
A.
B.
C.
D.
E.
acetyl linkage
disulfide bond
hydrogen bond
ester linkage
peptide linkage
21. Sucrose and glucose are examples of a class
of compounds called
A.
B.
C.
D.
E.
carbohydrates
hydrocarbons
esters
esthers
organic acids
22. Included under the broad classification,
lipids are
A.
B.
C.
D.
E.
cholesterol
the phospholipids
the waxes
the triglycerides
all of the above
28. The formation of ammonia in the renal
tubules is very important to the body insofar
as it
A.
B.
C.
D.
E.
23. Glucose is an example of a/an
A.
B.
C.
D.
E.
disaccharide
a ketohexose
an aldohexose
a ketopentose
an aldopentose
24. The effect or action of insulin is
A.
B.
C.
D.
inhibit gluconeogenesis
decrease glucose oxidation
decrease fat anabolism
decrease protein synthesis
25. When ammonia is formed in the body and
escapes into the blood it is converted into
which of the following for excretion
A.
B.
C.
D.
E.
uric acid
urea
nitrogen and water
creatinine
creatine
26. Two elements necessary for the formation of
milk by lactation are
A.
B.
C.
D.
E.
calcium and potassium
magnesium and zinc
calcium and iron
calcium and phosphorus
iron and phosphorus
27. Energy stored in the Kreb’s cycle is largely
in the form of
A.
B.
C.
D.
E.
adenosine diphosphate
adenosine triphosphate
glycogen
pyruvic acid
None of the above
helps rid the body of urea
conserves the body’s fixed alkali
reduces the work of the liver
is bacteriostatic to the urinary tract
is a compensatory mechanism in
alkalosis
29. Which of the following substances is not
reabsorbed at all by the kidney tubules
A.
B.
C.
D.
E.
urea
uric acid
creatinine
NaCl
glucose
30. Acetylcholine is destroyed rapidly by
A.
B.
C.
D.
E.
acetic acid
choline
adrenaline
cholinesterase
monamine oxidase
31. Gluconeogenesis in the liver occurs
A. at a constant rate
B. when the glucose concentration is
high
C. when the glucose concentration is
low
D. when the amino acid concentration
is high
E. when the amino acid concentration
is low
32. Pepsin and trypsin are
A.
B.
C.
D.
E.
digestive enzymes
starch splitters
proteolytic enzymes
digestive hormones
kinases
33. The main organic constituent of urine is
A.
B.
C.
D.
E.
acetone
creatinine
urea
uric acid
creatine
34. In the digestion of all food, the basic process
is dependent upon
A.
B.
C.
D.
E.
chewing properly
sufficient HCl in the stomach
hydrolysis
deamination
a good supply of pancreatic juice
35. One of the functions of the bile salts is to
A.
B.
C.
D.
E.
aid in absorption of fat
aid in digestion of proteins
condense bladder bile
aid in digestion of carbohydrates
aid in the flow of bile from the
bladder
39. Which element is the chief cation of
intracellular fluid
A.
B.
C.
D.
E.
P
C
Mn
K
Na
40. NaHCO3 is the formula for
A.
B.
C.
D.
E.
sodium hydrocarbonate
sodium carbonate
sodium carbon trioxide
natrium carbonate
sodium bicarbonate
41. The enzyme unique to the liver
36. The formation of H2CO3 from CO2 and
H2O
A. is catalyzed by serum carbonic
anhydrase
B. takes place in the blood of the great
veins
C. occurs rapidly without the help of a
catalyst
D. is catalyzed by the enzyme
present in red cells
E. none of the above
A.
B.
C.
D.
E.
glutamic oxaloacetic transaminase
glutamine pyruvic transaminase
glutaminase
asparginase
arginase
42. Which amino acid contains sulfur
A.
B.
C.
D.
oxaloacetic glutamic acid
glutamic acid
tyrosine
methionine
37. An example of an amphoteric substance is
A.
B.
C.
D.
E.
chloride ion
sulfate ion
bicarbonate ion
carbonate ion
hydroxyl ion
38. The statement: “the amount of a gas that a
liquid will dissolve is directly proportional
to the pressure of the gas” is known as
which of the following
A.
B.
C.
D.
E.
Dalton’s law
Boyle’s law
Charles’s law
Avagadro’s law
law of Henry
43. Carbon dioxide from the tissues reacts with
water [mainly with the RBC’s] to form
A.
B.
C.
D.
E.
carbonic anhydrase
sodium bicarbonate
carbonic acid
none of these
all of these
44. When a neutral fat is hydrolized it yields
fatty acids and
A.
B.
C.
D.
E.
higher alcohols
choline
glycerol
cephalin
lecithin
45. The chief methyl donors in transmethylation
are
A.
B.
C.
D.
E.
choline, methionine, and betane
creatinine, epinephrine and glycine
arganine, histadine and protein
valine, leucine and threonine
liver, kidney and brain
46. Which coenzyme transfers 2 C fragments
A.
B.
C.
D.
E.
CO-ASH
NaDP
FAD
LaS2
NAD
47. All of the following compounds are included
within the broad classification of steroids
except
A.
B.
C.
D.
E.
sex hormones
adrenocortico hormones
D vitamins
riboflavin
bile acids
48. Which of the following hormones is
structurally a sulfur containing protein
A.
B.
C.
D.
E.
insulin
thyroxine
cortisone
adrenaline
progesterone
49. The two most important sulfur-containing
amino acids are
A.
B.
C.
D.
E.
aspartic acid and cystine
sarcosine and threonine
cystine and methionine
methionine and bioyin
serine and toluene
50. The primary source of methyl groups in the
biological system is
A.
B.
C.
D.
E.
valium
methonine
homocystine
serine
creatine
51. Thymine is a typical example of an end base
for
A.
B.
C.
D.
E.
polypeptide
pyridine
purine
RNA
DNA
52. DNA has two basic nitrogenous compounds
these are
A.
B.
C.
D.
E.
tryptophan
protein and porphyrins
lysine and argenine
purine and pyramidine
glucosamine and N acetyl
glucosamine
53. Which of the following elements would form
a base by the action of cold water
A.
B.
C.
D.
E.
fluorine
carbon
iron
gold
sodium
54. D-glucose is
A. dextrorotatory
B. the end product of the hydrolysis of
maltose
C. a monosaccharide
D. soluble in water
E. all of the above
55. All of the following will be yielded in nucleic
acid hydrolysis except
A.
B.
C.
D.
E.
adenine
ATP
5-carbon sugar
purines
phosphoric acid
56. When hydronium ions and hydroxide ions
combine, which of the following in formed
A.
B.
C.
D.
E.
hydrogen and oxygen
water
salt
a base
an acid
57. A one-molar solution always contains
A. one equivalent weight of the solute
in one liter of solution
B. one gram-molecular weight of the
solute in one liter of solution
C. one gram-molecular wieght of the
solute in 22.4 liters of solution
D. 6.06 x 10 23rd molecules of the
solute per 22.4 liters of solution
E. one molecule of the solute per
milliliter of solution
58. Which of the following forms a strong
electrolyte when dissolved in water
A.
B.
C.
D.
E.
gelatin
sand
alcohol
salt
sugar
59. In which group are all three tests positive
for reducing sugars
A. Micic acid, Moore, dialysis
B. Benedict, Fehling,
Phenylhydrazine
C. Tollen, Bila, fermentation of yeast
D. Millon, Nylander, Benedict
60. Which term is applied to substances which
are separable, thermostable, dialyzable and
organic in nature and necessarily associated
with enzymes in action
A.
B.
C.
D.
E.
zymogens
substrates
kinases
coenzymes
activators
61. The positive functions of iodine
A. to regulate the size and function of
the thymus gland
B. to regulate the size and function of
the parathyroid glands
C. maintain the normal structure of
nervous tissue
D. are used prophylactically against
the anemia of infancy
E. regulate the size and function of
the thyroid gland
62. Which of the following is a property of an
enantiomer
A. complete internal compensation
B. is a component in nature of most
inorganic rocks
C. can be identified by the use of a
colorimeter
D. will rotate the plane of a
polarized light
E. will not rotate the plane of a
polarized light
63. A biologically complete protein
A.
B.
C.
D.
contains all essential amino acids
contains only essential amino acids
contains all known amino acids
has not been deaminated
64. The principle basic ion in the RBC is
A.
B.
C.
D.
E.
calcium
magnesium
phosphorus
sodium
potassium
65. The reaction of glucose into glycogen occurs
in the
A.
B.
C.
D.
E.
liver and spleen
liver
muscle
liver and kidney
kidney
66. In the body, a buffer acts by
A. aiding saponification
B. aiding is the formation of urea
C. uniting with excess hydrogen ion
forming ionized compound
D. by favoring ionization of acids
E. by aiding the calcification of bones
67. The hydrogen in an organic compound,
upon qualitative analysis
A.
B.
C.
D.
E.
forms a saturated compound
creates double and triple bonds
forms metallic hydrides
is boiled off as H2
is converted to water
68. What statement referring to vitamin K is
correct
A. it is produced in the intestine by
bacterial action
B. it functions to aid the liver in the
production of prothrombin
C. it is referred to as the antihemorrhagic factor
D. all of the above
74. The final step in the complete metabolism of
fat is by means of
A.
B.
C.
D.
E.
anaerobic glycolysis
transaminase
reduction of fixed CO2
tricarboxylic cycle
Krebs Henestrial cycle
75. The reaction which produces Krebs Cycle
intermediates is
69. What is present in lecithin but not in choline
A.
B.
C.
D.
E.
serine
glycine
phosphoric acid
choline
ethanalanine
A.
B.
C.
D.
E.
translocation
glycolytic
respiratory chain
anaphylactic
lipolytic
76. Niacin contributes to the formation of
70. The half-life of iodine 131 is 8 days. What
fraction is reduced in 24 hours
A.
B.
C.
D.
E.
1/16
1/32
1/24
½
1/8
71. The body may compensate for increased
blood acidity by
A.
B.
C.
D.
E.
excreting more NH4
excreting H2PO4
decreased respiratory rate
excreting more Na
excreting more SO4
72. C12H35COOH is the formula for
A.
B.
C.
D.
E.
stearic acid
linoleic acid
arachidanic acid
arachidonic acid
oleic acid
73. In which structure of the body does the
primary manufacture of prothrombin occur
A.
B.
C.
D.
E.
adrenals
bone marrow
pancreas
spleen
liver
A.
B.
C.
D.
E.
CoB only
TPN
DPN
coenzyme I and II
CoA only
77. In a urine sample, the appearance of a
permanent cloudiness plus formation of a
flocculent precipitate on heating, indicates
A.
B.
C.
D.
E.
polyuria
glycosuria
anuria
hemoglobinuria
albuminuria
78. Sulfur is a constituent of all of the following
except
A.
B.
C.
D.
methionine and cystine
methionine and insulin
thiamine and biotin
alanine and isoleucine
79. The presence of double bonds in carbon
compounds differentiate the
A.
B.
C.
D.
E.
saturated from unsaturated
cyclic from aliphatic
inflammable from noninflammable
acidic from basic
isomeric from isotopic
80. A primary alcohol upon oxidation initially
yields a/an
A.
B.
C.
D.
E.
aldehyde
ketone
acid
ester
ether
81. The bone/blood equilibrium of calcium ions
is controlled pricipally by
A.
B.
C.
D.
E.
the tissue content of phosphate ions
vitamin D
the parathyroid gland
vitamin B complex
the pituitary gland
82. A general term for enzymes, which
hydrolyze starch is
A.
B.
C.
D.
E.
amylases
diastases
zymases
galactases
maltases
83. If a protein gives a positive Biuret test,
which of the following is present
A.
B.
C.
D.
E.
phenyl alanine
tyrosine
arginine
peptide linkage
cysteine
84. One mole [molecular weight] on any gas
occupies _________ liters at STP
A.
B.
C.
D.
E.
2
6
20,4
22
22.4
85. The habitual ingestion of mineral oil by
children will interfere with the absorption of
A.
B.
C.
D.
E.
thiamine
riboflavin
vitamin C
vitamin D
niacin
86. The structure of vitamin D is such that it is
classified as a/an
A.
B.
C.
D.
E.
porphyrin
alkaloid
glucoside
heterocyclic compound
steroid
87. What happens when an aromatic
hydrocarbon is halogenated in the presence
of iron
A.
B.
C.
D.
a ring is broken
the ring is saturated
nothing
heat is needed for the reaction to
occur
E. substitution
88. What is the total number of high energy
phosphates generated by 1 mole of acetyl
Co-A through one round of the
Tricarboxycylic cycle
A.
B.
C.
D.
E.
3
12
15
24
36
89. What is the best classification for a reaction
when each carboxylic group of fatty acid
reacts with one molecule of NaOH
A.
B.
C.
D.
E.
permanent hardness
esterification
saponification
carboxylation
precipitation
90. The enzyme amylase which causes the
cleavage of the glucosidic bond is called
A.
B.
C.
D.
E.
oxidireductase
thyrodase
ligase
hydrolase
isomerase
91. In anaerobic glycogenesis, ______ ATP are
used to make 1 glucose molecule
A.
B.
C.
D.
E.
0
2
12
24
36
92. The test that is negative in normal urine is
A.
B.
C.
D.
E.
chloride
urea
conjugated sulfate
glucose
phosphate
93. A pyrolle ring occurs in
A.
B.
C.
D.
fatty acid derivatives
hemoglobin and chlorophyll
acid amide breakdown products
sulfonated hydrocarbons
94. Cytochrome contain ______ in their
structure
A.
B.
C.
D.
E.
iron
potassium
zinc
phosphorus
cobalt
95. After iron is absorbed in the intestine, Fe is
carried in the blood in which form
A.
B.
C.
D.
E.
apo-transferrin
hemosideran
transferrin
ceruloplasmin
hemofuschin
97. Which amino acid has an indole ring
A.
B.
C.
D.
E.
proline
hydroxproline
tryptophan
tyrosine
histidine
98. Hemoglobin is very similar to chlorophyll
except chlorophyll has ______ added
A.
B.
C.
D.
E.
cobalt
copper
Mg
nitrogen
hydrogen
99. The respiratory chain of electron transport is
involved with
A.
B.
C.
D.
deamination
oxidative phosphorylation
transmethylation
transamination
100. The correct order of the Kreb’s cycle is
A. oxaloacetate, citrate, alphaketogluterate, malate and succinate
B. citrate, succinate, alphaketogluterate, malate and
oxalacetate
C. alpha-ketogluterate, succinate,
citrate, oxaloacetate and malate
D. malate, oxaloacetate, citrate,
alpha-ketogluterate and
succinate
E. succinate, malate, citrate,
oxaloacetate and alphaketogluterate
101. The periodic table is generally credited to
96. The enzyme that converts sucrose to
fructose and glucose is
A.
B.
C.
D.
lipase
lactase
oxyreductase
hydrolase
A.
B.
C.
D.
E.
Simpson
Nobel
Mendeleev
Joseph
Crooke
102. A deficiency of vitamin C causes
A. paleness of the gums
B. the tendency to deposit fat under
the skin
C. faster healing of wounds
D. a reduction in the amount of
intracellular substance
E. a shrinkage of the gums
107. A compound formed in the anaerobic
breakdown of sugars is
A.
B.
C.
D.
E.
acetylcholine
tryptophan
aspartic acid
glucosamine
3-phosphoglyceric acid
108. The majority of sodium ions are found in
103. An important vitamin or vitamins necessary
for pyruvic acid oxidation is/are
A.
B.
C.
D.
E.
vitamins A and D
thiamine
vitamin B12
vitamin A
vitamin D
104. Phenylketonuria is characterized by the
presence in the urine of abnormally large
amounts of
A. glycine and tryptophan
B. 3-hydroxybutyric acid and acetone
C. phenyacetic and phenylpyruvic
acids
D. tyrosine and 3, 4dihydroxyphenylalnine
E. none of the above
105. Which of the following can be detected in
urine merely by boiling and acidifying the
urine
A.
B.
C.
D.
E.
albumins
acetone bodies
sterols
reducing sugars
indican
106. The major source of the ammonia found in
the urine of a patient in acidosis is
A. conversion of urea to ammonia in
the kidney
B. deamination of glutamine in tubular
cells
C. breakdown of amino acids in the
bladder
D. glomerular filtration of plasma
ammonia
E. conversion of urea to ammonia in
the liver
A.
B.
C.
D.
E.
lymph
bile
plasma
erythrocytes
both plasma and erythrocytes
109. Bile is important in fat digestion because it
acts as a/an
A.
B.
C.
D.
E.
oxidizing agent
emulsifier
buffer
enzyme
neutralizer for fatty acids
110. The chief source of prothrombin in the body
is the
A.
B.
C.
D.
E.
adrenals
bone marrow
pancreas
spleen
liver
111. The degree of unsaturation of a fat can be
determine by means of
A.
B.
C.
D.
E.
the spot test
acetyl number
the iodine number
its saponification number
the acrolein test
112. The reaction which appears to be necessary
for the absorption of glucose from the
intestine is
A.
B.
C.
D.
E.
phosphorylation
hydrolysis
oxidation
sulfonation
nitration
113. All of the following interfere with the
utilization of vitamins except
A. impaired mechanism of acceptance
B. high acid in the stomach
C. inadequate conversion of essential
nutrients
D. absence of a suitable biologic
reagent
E. all of the above interfere
119. Which of the following functions as an
activator from many enzymes used in
carbohydrate metabolism
A.
B.
C.
D.
K
Zn
Mg
Ca
120. Which of the following is an essential amino
acid
114. Beri beri is a deficiency of
A.
B.
C.
D.
E.
niacin
B6
B1
B2
biotin
A.
B.
C.
D.
E.
valine
tryptophan
lysine
threonine
all of the above
121. Which compound may show optical activity
115. When the genes for a certain pathway are
always “turned on” in the cell, the enzymes
are said to be
A.
B.
C.
D.
mutated
inducible
repressible
constitutive
116. What is the reaction where 1, 3
diphosphoglycerate loses one of its PO4
molecules to form ATP from ADP called
A.
B.
C.
D.
substrate level phosphorylation
fermentation
oxidation
oxidative phosphorylation
117. Streptococcus would give which one of the
following fermentation products from
glucose
A.
B.
C.
D.
E.
butyl alcohol and H2
2, 3 butane diol
lactate
ethanol and CO2
expectorate
118. The pH of the blood is
A.
B.
C.
D.
E.
4.5
6.8
7.4
7.8
8.6
A.
B.
C.
D.
E.
CH3CH2CH2CHOHCH3
CH3CH2CHClCH2CH3
CH3CHClCH3
(CH3)2CHCH2CH3
CH3CCl2CH2CH3
122. Which of these is not present in the normal
adult human gastric juice
A.
B.
C.
D.
E.
rennin
renin
pepsin
HCl
all of the above are present
123. Epinephrine when injected causes
A.
B.
C.
D.
E.
decrease in metabolic rate
retention of sodium chloride
decrease of blood sugar
increase in blood sugar
increase in Ca of the blood
124. The effect of food in stimulating metabolism
causing a production of extra large calories
is called
A.
B.
C.
D.
E.
basal metabolic rate
respiratory quotient
specific dynamic action
basal metabolism
none of these
125. The mixing of acetic acid and sodium
acetate creates
A.
B.
C.
D.
E.
a dialysis experiment
a physiological saline solution
a buffer pair
a weak electrolyte
sodium actions
126. Which of the following has a bivalent metal
A.
B.
C.
D.
E.
Al(NO3)3
Cu(NO3)2
H2SO4
KNO3
NaCl
131. Which of the following tests will be
negative in normal urine
A.
B.
C.
D.
E.
ethereal sulfate
Benedict’s
phosphate
chloride
urea
132. The major constituent of gallstones found in
the human body is
A.
B.
C.
D.
E.
fat acids
choline
phophorized fat
cholesterol
bile salts
127. A simple protein is exemplified by
133. The formula for ethylene is
A.
B.
C.
D.
E.
hemoglobin
viruses
mucin
albumin
casein
128. Fats may be hydrolyzed by all of the
following except
A.
B.
C.
D.
E.
acids
lipases
fat enzymes
superheated steam
alkalies
129. The end products of saponification are
A.
B.
C.
D.
E.
glycerol and K salts
glycerol and soaps
carbon dioxide and water
glycerol and fatty acids
glycerol and Na salts
130. What is another name of Coenzyme I
A. nicotinamide-adenine dinucleotide
phosphate
B. nicotanamide-adenine
dinucleotide
C. niacinamide dinucleotide phosphate
D. triphosphopyridine nucleotide
E. nicotinamide-adenine dinucleotide
diphosphate
A.
B.
C.
D.
E.
C3H8
C2H4
C2H2
C2H6
CH3
134. When an organic acid reacts with an alcohol
A.
B.
C.
D.
E.
an ester is formed
an ether is formed
hydrogen replaces hydroxyl
an amino acid is formed
nothing much happens
135. The volume occupied by a given mass of gas
is directly proportional to the absolute
temperature at constant pressure. This
statement is
A.
B.
C.
D.
E.
Henry’s law
Avogadro’s law
Liegman’s law
Boyle’s law
Charles’ law
136. In liquid water, the strongest bonds between
water molecules are
A.
B.
C.
D.
E.
hydrogen bonds
Van der Waals bonds
coordinate convalent bonds
ionic bonds
covalent bonds
137. When a great deal of heat is given off in a
chemical reaction [e.g. when aluminum
combines with fluorine] the resulting
compound is
A.
B.
C.
D.
E.
an easily reduced compound
an easily oxidized compound
an acid
an explosive
a stable compound
138. Which of the following is a lyophobic
colloid
A.
B.
C.
D.
E.
gold
blood protein
soap
starch
egg albumin
139. Phenol is a
A.
B.
C.
D.
aromatic
glycoglycol
benzene
primary alcohol
140. Under anaerobic conditions, pyruvate is
converted to
A.
B.
C.
D.
E.
lactate
lactose
phophoenolpyruvate
citrate
acetyl CoA
141. Lactose contains which of the following
sugars
A.
B.
C.
D.
E.
glucose and fructose
glucose and maltose
glucose and galactose
fructose and galactose
sucrose and maltose
142. Which of the following are the precursors
of prostaglandins
A.
B.
C.
D.
E.
amino acids
proteins
vitamins
carbohydrates
unsaturated fatty acids
143. Which of the following can be converted to
nicotinic acid in the body
A.
B.
C.
D.
E.
proline
tryptophan
phenylalanine
histidine
tyrosine
144. Which enzyme is responsible for the release
of carbon dioxide from carbonic acid in a
red blood cell
A.
B.
C.
D.
E.
carboxylase
carbonic anhydrase
decarboxylase
phosphorylase
phosphatase
145. Which of the following reactions is
catalyzed by amylopsin amylase
A.
B.
C.
D.
E.
glycogen to glucose
starch to maltose
lactose to glucose and galactose
starch to glucose
sucrose to glucose and fructose
159. Anaerobes fulfill energy requirements via
A. pentose shunt
B. oxidation of energy yielding
substrate with elemental oxygen
C. Kreb’s cycle
D. Eben-Meyerhoff pathway
E. Complete conversion of carbon
compounds to CO2 and water