ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
ESM231
1 / 50
One of these is not a constituent of Bordeaux mixture
2 / 50
Toxicants can cause _which is the impairment of the body's natural defense mechanisms
3 / 50
The stage in which the cancerous cells become a malignant tumour during the carcinogenic process is known as the
4 / 50
The rate of extent of absorbtion of hydrophobic chemicals depends of these factors except
5 / 50
The toxicological property of _are very similar to ethylene
6 / 50
One of these scientists prepared a systematic correlation between the chemical and biological properties of poisons of his time
7 / 50
Toxicology integrates with all but one of these fields;
8 / 50
refers to a site of action other than the point of contact and presupposes that absorption has taken place.
9 / 50
Ludwig Rehn reported elevated incidences of bladder cancer in dye workers exposed to chemicals extracted from
10 / 50
Which of these is not a rodenticides?
11 / 50
One of these is not true of nicotine.
12 / 50
The micro-organisms in the sediments at the bottom bio-transformed the organic mercury ions methyl and mercury
13 / 50
Which of these events occurred in the 17th Century?
14 / 50
During the Phase I reactions an OH group is attached to benzene to change it to
15 / 50
One of these substances is a waste from leather products manufacturing industries
16 / 50
are the suspended liquid droplets generated by condensation from the gaseous to the liquid state.
17 / 50
Which of these statements is NOT true of synthetic pyrethroids ?
18 / 50
A mutated cells does not necessarily form a
19 / 50
is term will be used in contrast to acute exposure and it is of long duration
20 / 50
Organic mercury such as, methylmecury, is extremely toxic mainly affecting the central nervous system in Japan caused a disease known as
21 / 50
When a toxic effect occurs at the point or area of contact of the toxin, what type of effect is it said to have?
22 / 50
22. s used to treat seed grain
23 / 50
Ingestion of __can cause black sore syndrome in Turkey
24 / 50
“All things are poison and nothing is without poison; only the dose makes a thing a poison “ is a statement credited to:
25 / 50
___________ is a metalloid which forms a number of toxic compounds
26 / 50
Phase II reaction are also known as
27 / 50
Which of these is NOT true of Paraquat
28 / 50
Pyrethroids fall into two categories based on their acute
29 / 50
The historical development of toxicology began with _dwellers
30 / 50
What does NOEL stand for?
31 / 50
One of these methods of transportation through membranes does not involve specialized transport
32 / 50
One of these areas of toxicology involves toxicologists with specialised knowledge of law working with pathologist to establish cases
33 / 50
One of these substances can cause spontaneous abortion when inhaled:
34 / 50
Acetylcholine, a major neurotransmitterin animals is normallyrapidly deactivated by an enzyme called
35 / 50
One of these definitions is known as "the traditional definition of toxicology"
36 / 50
__________ has been known to be a poisonous compound for centuries
37 / 50
_________ is a widely used colourless gas that acts as an anesthetic to animals and is toxic to plants
38 / 50
means that the action takes place at the point or area of contact
39 / 50
__is the unrestrained, malignant proliferation of somatic cell
40 / 50
The rate and extent of absorption of hydrophobic chemicals depends on all but one of these
41 / 50
The inhalation of air containing benzene can lead to the following progressive effects:
42 / 50
43 / 50
Ozone can cause all but one of the following effects :
44 / 50
Which of the following is the basic mechanism of action of insecticides?
45 / 50
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
46 / 50
Which of these statements is not true of doseresponse relationship ?
47 / 50
_________ refers to a single exposure of duration measure in second minutes or hours
48 / 50
Elemental mercury may be absorbed by biological system as a
49 / 50
Which of these is NOT a symptom associated with back sore syndrome
50 / 50
Lead and most of the heavy metals have __________ effect on the (PNS) or the (CNS)
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