Eight 10-Year-Olds in the Community Became Sick Within a 24-Hour

question 22

Multiple Choice

Eight 10-year-olds in the community became sick within a 24-hour period with vomiting and diarrhea.Personnel from the health department interviewed the children and their families,attempting to determine the source of the illness.Which piece of information below is most suggestive of the common source?

• A)All eight children go to the same school.
• B)In two of the eight families,siblings were just beginning to show signs of illness at the time of the interview.
• C)All eight children attended the same birthday party two days prior to becoming ill.
• D)Five of the eight children ride the same school bus.
• E)Six of the eight children are on the same soccer team which practices three times/week.

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Definitions:

Medieval Scholars

Intellectuals or academics from the Middle Ages who studied, preserved, and contributed to the knowledge of their time, often in monasteries or universities.

Ionic Bond

A type of chemical bond formed through the electrostatic attraction between oppositely charged ions, often resulting from the transfer of electrons from one atom to another.

Covalent Bond

Type of chemical bond in which two atoms share a pair of electrons. Can be polar or nonpolar.

Hydrogen Bond

A modest bond formed between two molecules as a result of the electrostatic interaction between a proton found in one molecule and an atom that is electronegative in the other molecule.