A Mother Asks Why Her 6-Year-Old Requires a Daily Dose

question 3

Multiple Choice

A mother asks why her 6-year-old requires a daily dose of digoxin that is twice that of an adult.The nurse explains that the larger dose is necessary because of which of the following characteristics of children?

• A) Greater resistance to medications
• B) Variations in development of drug receptors
• C) A slower metabolic rate than adults
• D) More total body water,which dilutes the drug

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Definitions:

Organism's

Refers to any individual living entity, from single-celled microorganisms to plants and animals, including humans.

Observable Characteristics

Traits or features that can be seen or measured directly.

Phenotype

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Genotype

The genetic makeup of an organism, determining inherited traits.