ESM231

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

One of these is not true of
nicotine.

Pyrethroids that have
Peripherial CNS effects are
known as

__is the unrestrained,
malignant proliferation of
somatic cell

Which of these events
occurred in the 17th
Century?

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

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

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

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

Acute toxicity generally very
low in

The historical development
of toxicology began
with____dwellers

__________ has been
known to be a poisonous
compound for centuries

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

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

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

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

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

Which of these is NOT true
of Paraquat

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

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

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

Nitrite can convert
haemoglobin to

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

24. The four routes of entry are:

Ingestion of_____can
caused black sore
syndrome in Turkey

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

Ozone can cause all but
one of the following effects :

Pyrethroids fall into two
categories based on their
acute

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

All but one of these is true
of active transport

Ozone can cause all but
one of the following effects :

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

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

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

Which of these statements
is NOT true of Rotenone ?

Phase II reaction are also
known as

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

A mutated cells does not
necessarily form a

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

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

is a metalloid which forms a
number of toxic compounds

Which of these is not a
rodenticides?

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

Elemental mercury may be
absorbed by biological
system as a

All but one of these are
groups of insecticides

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

Ozone irritates the eyes,
upper respiratory system
and

One of these substances is
not colourless.

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

Fungicides have the
potential to be
__based on their mutagenic
activity