Why Is Snail Fever a Common Name for Infections with Schistosoma

question 23

Multiple Choice

Why is snail fever a common name for infections with Schistosoma?

• A) The worms look like snails.
• B) They are contracted by eating snails.
• C) Snails are the intermediate host.
• D) Physical contact with snails may result in infection.
• E) The larval stage looks like a snail.

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Definitions:

Invariant Relationship

A consistent, unchanging relationship or pattern under a particular set of conditions.

Distance Cue

Visual indicators that allow the perception of depth or distance, such as overlapping objects, size variation, and linear perspective.

Binocular Disparity

A depth cue based on the differences between the two eyes’ views of the world. This difference becomes less pronounced the farther an object is from the observer.

Binocular Disparity

The difference in the images seen by the left and right eye due to their different viewpoints, contributing to depth perception.