Exam 6: Toxicology

Select the accurate statement.

Chronic toxicology refers to long periods of exposure, whereas acute toxicology refers to relatively brief periods of exposure.

The neurotransmitter used by nerve cells is

Allergens interfere by activating the

The toxin carbon monoxide (CO) interferes with the ability of hemoglobin to carry

The toxin cadmium is

Poisons that show up in the environment due to the activities of our society are known as

DDT (p-dichlorodiphenyltrichloroethane) has been used extensively as

The nerve gas Sarin interferes with the

The author of the ground-breaking book, Silent Spring, wich sounded an alarm concerning risks to the environment, was

The air sacks in the lungs by which gases pass in and out of the bloodstream are known as

The situation in which the combined toxicity of substances is greater than their sum is

Substances which in low concentrations can cause death in test animals are known as

Biomagnification shows that the concentrations of some toxins increase

The highest does of a substance at which no effect is noticed is referred to as the

Sulfur dioxide (SO2) is an environmental toxin chiefly because of its action as a

Highly polar substances such as water efficiently dissolve

The toxicity of chemicals can vary greatly between different species.

The most dangerous forms of mercury is/are

Mutagens such as benzo[ᶏ]pyrene can cause changes in the genes in the cells.