28 Questions
Which of the following organic solvents is commonly used as an anti-freezing fluid?
Ethylene glycol
What is the characteristic functional group of aldehydes?
-C=O terminal
Which of the following is NOT a use of organic solvents?
Production of pharmaceuticals
What is the characteristic of aromatic hydrocarbons?
≥1 benzene rings
Which of the following organic solvents can be classified as both aliphatic and halogenated?
Trichloroethylene
Which of the following chemicals is associated with nasopharyngeal cancer?
Formaldehyde
What is the primary mechanism of action of organo-phosphoric esters?
Inhibiting the action of acetylcholinesterase
What is the purpose of establishing an Acceptable Daily Intake (ADI) for pesticides?
To establish a safety threshold for lifetime exposure to pesticides
Which of the following is a potential effect of exposure to toluene and styrene?
Neurosensorial ototoxicity
What is the main challenge in controlling environmental exposure to pesticides in residential areas?
Wind dispersal of pesticides
What is the purpose of the Acute Reference Dose (ARfD) for pesticides?
To establish a safe exposure limit for acute exposure to pesticides
What is the primary characteristic of Amosite fibres?
Harsh and spiky
What is the primary use of Chrysotile in building products?
Reinforcing material in asbestos cement
When was the import of Amosite banned in the UK?
1 January 1986
What is the primary characteristic of Crocidolite fibres?
Straight and brittle
What is the primary application of Chrysotile in industry?
Cement industry
When was the sprayed insulation product first manufactured in the USA?
1931
What is the primary indicator of initial damage due to lead exposure?
Urinary excretion of β-n-acetylglucosaminidase (NAG)
What is the recommended exposure limit for women of reproductive age?
40 μg Pb/100 mL
What is the primary method of mercury extraction from cinnabar?
Heating (roasting) at 600-770°C in presence of air
What is the purpose of chelating agents in lead therapy?
To remove lead from the body
Who was the first to describe acute intoxication by calomel in 1557?
Jean Fernel
Why were slaves and inmates used to work in mercury mines in ancient history?
Because of the danger of working in mercury mines
What is the result of vasospasm in the kidneys?
Block of circulation in the peritubular capillaries
What is the result of percutaneous exposure to mercury?
Local inflammatory reaction with purulent secretions and granuloma formation
What is the effect of organic mercury on the kidneys?
Release of inorganic mercury and toxic action as organic radicals
What is a common symptom of mercury intoxication?
Metal taste in the mouth
What is a rare complication of mercury intoxication?
Embolization of mercury to other organs
This quiz covers the properties and uses of different types of asbestos fibers, including their strengths, weaknesses, and applications. Learn about the characteristics and industrial uses of asbestos fibers.
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