Chapter 8 practice questions
Define the following terms, briefly explain (a few words) or give an example:
Acute, subacute and chronic toxicity
Acute: exposure to a single measured dose over a short period of time
Sub-acute: few days exposure
Practice Questions for Chapters 15 and 16
1. Name the following classes of chemicals or reactive intermediates:
(X=F,Cl, Br or I)
Ar-NO2 (Ar=Aromatic, such as benzene)
CH 1. Questions
1. Please list five classes of major toxic hazards, and give one example in each class.
a. Polycyclic aromatic hydrocarbon: Benzo[a]pyrene
b. Solvent: methanol
c. Biotoxins: nicotine
D. Corrosives: NaOH
e. Reactive Gases: CO
2. Please defi
Practice Questions Chapter 7
List the 4 modes of entry (exposure) for toxicants.
Explain the phase change in lipids that accompanies a rise in temperature. How might
temperature affect intoxication processes? (think about membranes)
A chemical wi
Practice Questions for Chapter 12
1. The three groups of alkaloids are _, _ and _.
Nicotine is an _.
2. The majority of alkaloids are biochemically originated from _.
3. _ is an alkaloid found in the bark of a tree for malaria control, _ is
a poison for a
Chapters 13 and 14 Exercise Questions
A. Fill in the blanks:
Most organic chemicals are derived from petroleum distillates, and actually from only a few
basic hydrocarbons. In order to maximize the amounts of these products, less profitable
Chapter 11 Practice Questions
1. If 2 atoms have very different electronegativities, they are very likely to form a _.
2. Explain the relationship between electronegativity, size, and charge. Use the periodic table if
you like, describing general trends (
Chapter-9 Practice Questions
1. True or False: The toxic effects of all chlorinated hydrocarbon insecticides increase at higher
temperatures. Why or why not?
2. T or F: Nicotine mimics acetylcholine at the receptor.
3. Explain the action of curare (dart p
Chapter 10 Questions
1. Truth or false
a. Risk assessment involves (1) hazard identification or evaluation, (2) doserepsonse evaluation, (3) exposure evaluation, and (4) risk characterization.
b. Exposure routes include respiration, dermal contact, and or