Chemicals Such as Dimethyl Sulfate and Iodomethane Are Considered Biologically

question 51

Multiple Choice

Chemicals such as dimethyl sulfate and iodomethane are considered biologically hazardous because:

• A)They can disrupt the body's endocrine system.
• B)They are acute respiratory hazards, leading to pulmonary edema.
• C)They can alkylate nucleotide bases, leading to mutagenic and carcinogenic effects.
• D)They can cause damage to the liver and kidneys.
• E)They are corrosive to the eyes and upper respiratory tract.

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Definitions:

Brain Chemicals

Neurotransmitters and other molecules in the brain that play key roles in regulating mood, thoughts, and behaviors.

External Validity

The extent to which the results of a study can be generalized to other situations or to the population at large.

Interrater Reliability

A measure of how consistently different observers or raters assess, judge, or measure the same phenomenon, giving an indication of the reliability of ratings.

Internal Validity

Refers to the extent to which a study can establish a cause-and-effect relationship between its variables, free of confounding factors.