In a Given Population,the Dose-Response Curve for the Dose of Drug

question 1

Multiple Choice

In a given population,the dose-response curve for the dose of drug that produces the desired effect may overlap with the dose response curve for the lethal dose of the drug.For this reason,a more useful index of the margin of safety for a drug is the ratio of the:

• A)LD50 to ED50.
• B)ED50 to LD50.
• C)ED99 to LD1.
• D)LD1 to ED99.

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Definitions:

Stratification Theories

Theories that emphasize that social forces—particularly those related to a person’s social stratum or social category—limit individual choices, and affect a person’s ability to function in late adulthood because past stratification continues to limit life in various ways.

Organize

The act of arranging or structuring things in a systematic way for efficiency or order.

Socio-Emotional Selectivity Theory

The theory that older people prioritize regulation of their own emotions and seek familiar social contacts who reinforce generativity, pride, and joy.

Generativity

A concern for establishing and guiding the next generation, typically observed during middle adulthood.