ESM231




Category: ESM231

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ESM231

1 / 115

1.

The
involved as protective
covering against a hostile
environment and is
relectively impermeable to
many chemical

2 / 115

2.

Which of these substances
caused the disease,
Minamata in Japan

3 / 115

3.

refers to a single exposure
of duration measure in
second minutes or hours

4 / 115

4.

Many pesticides in use
have different modes of
action and levels of

5 / 115

5.

Acetylene is a colourless
gas with a
odour

6 / 115

6.

All but one of these defines
toxicology:

7 / 115

7.

refers to a site of action
other than the point of
contact and presupposes
that absorption has taken
place.

8 / 115

8.

_________ is a widely used
colourless gas that acts as
an anesthetic to animals
and is toxic to plants

9 / 115

9.

One of these substances is
not colourless.

10 / 115

10.

The historical development
of toxicology began with
_dwellers

11 / 115

11. The four routes of entry are:

12 / 115

12.

Which of these insecticides
can be categorised as High
toxic potential insecticide?

13 / 115

13.

The toxicological properties
of _________ are very
similar to those of ethylene

14 / 115

14.

Toxicology integrates with
all but one of these fields;

15 / 115

15.

is a metal which is widely
used in industries, in alloys,
in plating, in batteries and
in the pigment in inks,
paints, plastics, rubber and
enamel

16 / 115

16.

Which of these statements
is not true of doseresponse relationship ?

17 / 115

17.

The micro-organisms in the
sediments at the bottom
bio-transformed the organic
mercury ions methyl and
___________ mercury

18 / 115

18.

_________ refers to a
single exposure of duration
measure in second minutes
or hours

19 / 115

19.

Following the WHO
Recommended
Classification of Pesticides
by hazard ,slightly
hazardous are in CLASS

20 / 115

20.

Which of these pesticides
mimics the action of
Acetylcholine

21 / 115

21.

Ludwig Rehn reported
elevated incidences of
bladder cancer in dye
workers exposed to
chemicals extracted from

22 / 115

22.

is term will be used in
contrast to acute exposure
and it is of long duration

23 / 115

23.

Alcohols can lead to all but
one of the following effects

24 / 115

24.

When a toxic effect occurs
at the point or area of
contact of the toxin, what
type of effect is it said to
have?

25 / 115

25.

What term is used to
indicate the ability of a
cancer to invade other parts
of the body and produce
secondary tumours

26 / 115

26.

Depression of the system
will lower resistance to
infectious disease and
facilitate the development
of

27 / 115

27.

The alkylation and arylaton
of
to cause motations is part
of the toxicodynamic phase

28 / 115

28.

Acute toxicity generally very
low in

29 / 115

29.

The concept that at
extremely low dose, a given
substance may be nontoxic and even beneficial
while at intermediate dose,
it may be toxic is

30 / 115

30.

_______ = Concentration x
Exposure

31 / 115

31.

is measured by octanol:-
water partition coefficient in
a separatory funnel

32 / 115

32.

What does NOEL stand
for?

33 / 115

33.

The micro-organisms in the
sediments at the bottom
bio-transformed the organic
mercury ions methyl and
mercury

34 / 115

34.

Acetylcholine, a major
neurotransmitterin animals
is normallyrapidly
deactivated by an enzyme
called

35 / 115

35.

The historical development
of toxicology began
with____dwellers

36 / 115

36.

the outer most corny layer
of the skin plays an
important role in
determining the
permeability of this layer

37 / 115

37.

A mutated cells does not
necessarily form a

38 / 115

38.

Absorption through the skin
is promoted by all these
except

39 / 115

39.

are the suspended liquid
droplets generated by
condensation from the
gaseous to the liquid state.

40 / 115

40.

The primary risk associated
with 2,4-D and 2,4,5-T was
due to the presence small
amounts of dioxin

41 / 115

41.

Which of these is NOT a
symptom associated with
back sore syndrome

42 / 115

42.

During the Phase I
reactions an OH group is
attached to benzene to
change it to

43 / 115

43.

Which of these is not a
rodenticides?

44 / 115

44.

Inhaled benzene is readily
absorbed by the blood from
which it is taken up by

45 / 115

45.

Berylliosis a condition
manifested by lung fibrosis
and phenumonitis toxicity of
the element

46 / 115

46.

Exposure to Toluene may
lead to one of the following
effects:

47 / 115

47.

All but one of these is true
of active transport

48 / 115

48.

Pyrethroids that have
Peripherial CNS effects are
known as

49 / 115

49.

Chemical species that
cause birth defects are
known as

50 / 115

50.

Nitrite can convert
haemoglobin to

51 / 115

51.

An exposure which would
be relatively harmless
unless repeated over a long
period of time

52 / 115

52.

__________ has been
known to be a poisonous
compound for centuries

53 / 115

53.

__is the unrestrained,
malignant proliferation of
somatic cell

54 / 115

54. DDT is a____ pesticide

55 / 115

55.

One of these is not a
constituent of Bordeaux
mixture

56 / 115

56.

Phase II reaction are also
known as

57 / 115

57.

Elemental mercury may be
absorbed by biological
system as a

58 / 115

58.

The rate and extent of
absorption of hydrophobic
chemicals depends on all
but one of these

59 / 115

59.

The toxicological properties
of
are very similar to those of
ethylene

60 / 115

60.

The inhalation of air
containing benzene can
lead to the following
progressive effects:

61 / 115

61.

Which conjugation reaction
decreases, instead of
increases, water solubility?

62 / 115

62.

is a widely used colourless
gas that acts as an
anesthetic to animals and is
toxic to plants

63 / 115

63.

Organic mercury such as,
methylmecury, is extremely
toxic mainly affecting the
central nervous system in
Japan caused a disease
known as

64 / 115

64.

Ingestion of_____can
caused black sore
syndrome in Turkey

65 / 115

65.

Which of these events did
not occur in the 19th
Century

66 / 115

66.

The toxicological property
of
_are very similar to
ethylene

67 / 115

67.

One of these methods of
transportation through
membranes does not
involve specialized
transport

68 / 115

68.

Lead and most of the heavy
metals have
effect on the (PNS) or the
(CNS)

69 / 115

69.

One of these is not a heavy
metal

70 / 115

70.

Many pesticides in use
have different modes of
action and levels of

71 / 115

71.

Pesticides are chemicals
that are use to kill

72 / 115

72.

has been known to be a
poisonous compound for
centuries

73 / 115

73.

Pesticides are chemicals
that are use to kill

74 / 115

74.

Which of the following is the
basic mechanism of action
of insecticides?

75 / 115

75.

One of these can be
classified as a chronic
illness

76 / 115

76.

Which of these is not true of
DDT?

77 / 115

77.

_________ is a metal which
is widely used in industries,
in alloys, in plating, in
batteries and in the pigment
in inks, paints, plastics,
rubber and enamel

78 / 115

78.

One of these substances
can easily be absorbed by
the skin:

79 / 115

79.

___________ is a metalloid
which forms a number of
toxic compounds

80 / 115

80.

All but one of these are
groups of insecticides

81 / 115

81.

Which of these events
occurred in the 17th
Century?

82 / 115

82.

Which of these statements
is NOT true of Rotenone ?

83 / 115

83. s used to treat seed grain

84 / 115

84.

One of these definitions is
known as "the traditional
definition of toxicology"

85 / 115

85.

Lead and most of the heavy
metals have __________
effect on the (PNS) or the
(CNS)

86 / 115

86.

One of these areas of
toxicology involves
toxicologists with
specialised knowledge of
law working with pathologist
to establish cases

87 / 115

87.

One of these scientists
prepared a systematic
correlation between the
chemical and biological
properties of poisons of his
time

88 / 115

88.

Ozone irritates the eyes,
upper respiratory system
and

89 / 115

89.

Ozone can cause all but
one of the following effects :

90 / 115

90.

Pyrethroids fall into two
categories based on their
acute

91 / 115

91.

Fungicides have the
potential to be
__based on their mutagenic
activity

92 / 115

92.

Dose-response relationship
is a major concept of

93 / 115

93.

Which of these statements
is not true of the enzymes
Cytochrome PN450

94 / 115

94.

means that the action takes
place at the point or area of
contact

95 / 115

95.

One of these is not of
importance in the conduct
of risk assessments.

96 / 115

96.

“All things are poison and
nothing is without poison;
only the dose makes a
thing a poison “ is a
statement credited to:

97 / 115

97.

The rate of extent of
absorption of hydrophobic
chemicals depends of these
factors excep

98 / 115

98.

s the stage in which the
neoplastic cells become a
malignant tumour

99 / 115

99.

The stage in which the
cancerous cells become a
malignant tumour during
the carcinogenic process is
known as the

100 / 115

100.

Ozone can cause all but
one of the following effects :

101 / 115

101.

One of these is not true of
nicotine.

102 / 115

102.

One of these substances is
a waste from leather
products manufacturing
industries

103 / 115

103.

Which of these is NOT true
of Paraquat

104 / 115

104.

Toxicants can cause
_which is the impairment of
the body's natural defense
mechanisms

105 / 115

105.

The rate of extent of
absorbtion of hydrophobic
chemicals depends of these
factors except

106 / 115

106.

Acetylcholine, a major
neurotransmitterin animals
is normallyrapidly
deactivated by an enzyme
called

107 / 115

107.

_____is the unrestrained,
malignant proliferation of
somatic cell

108 / 115

108.

Hexachlorobezene studies
in rats also provide
evidence of

109 / 115

109.

Exposure to n-hexane and
cyclohexane result in loss
of myelin and degeneration
of

110 / 115

110.

Which of these statements
is NOT true of synthetic
pyrethroids ?

111 / 115

111.

is a metalloid which forms a
number of toxic compounds

112 / 115

112.

One of these substances
can cause spontaneous
abortion when inhaled:

113 / 115

113.

Poisonous plants and
are extracted for hunting
and warfare

114 / 115

114.

Ingestion of
__can cause black sore
syndrome in Turkey

115 / 115

115.

Pyrethroids fall into two
categories based on their
acute

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