An Outbreak of Salmonellosis Occurred After an Epidemiology Department Luncheon

question 29

Multiple Choice

An outbreak of salmonellosis occurred after an epidemiology department luncheon, which was attended by 485 faculty and staff. Assume everyone ate the same food items. Sixty-five people had fever and diarrhea; five of these people were severely affected. Subsequent laboratory tests on everyone who attended the luncheon revealed an additional 72 cases. The ratio of severe cases to other clinically apparent cases was:

• A) 65/72.
• B) 65/485.
• C) 5/65.
• D) 72/485.
• E) 5/60.

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Definitions:

Alzheimer's Patients

Individuals who suffer from Alzheimer's disease, a progressive neurological disorder that causes memory loss and cognitive decline.

Suprachiasmatic Nucleus

A small region in the brain's hypothalamus responsible for controlling circadian rhythms, acting as the body's internal clock.

Suprachiasmatic Nucleus (SCN)

A pair of tiny structures in the brain’s hypothalamus that control the timing of circadian rhythms; the biological clock.

Circadian Rhythms

Natural, internal processes that regulate the sleep-wake cycle, repeating roughly every 24 hours.