A 9-Month-Old Infant Is Hospitalized with Vomiting and Diarrhea

question 17

Multiple Choice

A 9-month-old infant is hospitalized with vomiting and diarrhea. The mother questions why her child needed hospitalization since her school-age nephew had the same symptoms and was treated at home. Which should the nurse include in the explanation to the infant's mother? Select all that apply.

• A) Infants have a lower proportion of their body weight as water.
• B) The percentage of extracellular fluid is higher in the infant than the school-age child.
• C) School-age children have a larger body surface area.
• D) The school-age child's kidneys are more mature and better able to conserve water.
• E) The metabolic rate of the school-age child is higher.

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Definitions:

Unbiased Estimator

A statistical estimator that is expected to produce values close to the parameter it estimates without systematic error.

Expected Value

The long-run average value of repetitions of the same experiment or random trial.

Sample Statistic

A measure derived from a sample portion of a population, typically used to estimate the characteristics of the entire population.

Population Parameter

A population parameter is a numerical value that represents a characteristic of an entire population, such as its mean or standard deviation.