ESM231

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

Which of these is NOT true
of Paraquat

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

One of these is not a
constituent of Bordeaux
mixture

All but one of these is true
of active transport

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

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

Which of these is not true of
DDT?

Chemical species that
cause birth defects are
known as

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

Pyrethroids fall into two
categories based on their
acute

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

One of these is not a heavy
metal

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

All but one of these are
groups of insecticides

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

One of these substances is
not colourless.

Dose-response relationship
is a major concept of

A mutated cells does not
necessarily form a

Fungicides have the
potential to be
__based on their mutagenic
activity

Which of these pesticides
mimics the action of
Acetylcholine

__is the unrestrained,
malignant proliferation of
somatic cell

The historical development
of toxicology began
with____dwellers

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

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

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

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

The historical development
of toxicology began with
_dwellers

What does NOEL stand
for?

Ozone can cause all but
one of the following effects :

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

Elemental mercury may be
absorbed by biological
system as a

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

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

Pesticides are chemicals
that are use to kill

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

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

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

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

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

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

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

Which of these statements
is not true of doseresponse relationship ?

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

Phase II reaction are also
known as

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

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

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

___________ is a metalloid
which forms a number of
toxic compounds

The toxicological property
of
_are very similar to
ethylene