ESM231

All but one of these are
groups of insecticides

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

The toxicological properties
of
are very similar to those of
ethylene

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

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

Which of these is NOT true
of Paraquat

__is the unrestrained,
malignant proliferation of
somatic cell

Which of these statements
is not true of doseresponse relationship ?

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

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

Chemical species that
cause birth defects are
known as

One of these substances
can cause spontaneous
abortion when inhaled:

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

Ozone can cause all but
one of the following effects :

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

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

One of these can be
classified as a chronic
illness

Toxicology integrates with
all but one of these fields;

Which of these is not a
rodenticides?

Elemental mercury may be
absorbed by biological
system as a

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

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

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

has been known to be a
poisonous compound for
centuries

What does NOEL stand
for?

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

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

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

Which of these is not true of
DDT?

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

___________ is a metalloid
which forms a number of
toxic compounds

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

_________ 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

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

35. DDT is a____ pesticide

One of these substances is
not colourless.

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

38. s used to treat seed grain

Fungicides have the
potential to be
__based on their mutagenic
activity

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

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

Ingestion of
__can cause black sore
syndrome in Turkey

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

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

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

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

One of these is not a heavy
metal

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

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

Pesticides are chemicals
that are use to kill