A Public Health Nurse (PHN) Reports an Attack Rate

question 4

Multiple Choice

A public health nurse (PHN) reports an attack rate. Which of the following has most likely been reported?

• A) Number of cases of cancer recorded at a medical center.
• B) Number of people who died of Ebola in a given year.
• C) Number of beef cattle inoculated against mad-cow disease on a farm.
• D) Proportion of people becoming ill after eating at a fast-food restaurant.

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Definitions:

Interposition

A visual cue in which one object partly blocks another, suggesting that the blocking object is closer to the observer.

Linear Perspective

A depth cue in art and visual perception where parallel lines appear to converge as they recede into the distance, helping the observer to perceive depth.

Binocular Cues

Depth cues, such as retinal disparity, that depend on the use of both eyes and are crucial in perceiving depth.

Pheromones

Chemical substances released by animals and humans that influence the behavior or physiology of others of the same species, often in the context of social communication or mating.