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Sample questions
When using snap traps to control mice, what is the recommended spacing between traps in active areas?
- No more than 5 feet apart
- No more than 10 feet apart
- No more than 20 feet apart
- No more than 30 feet apart
Show answer
Snap traps work well when set out in numbers at well-chosen spots; in active areas, space them no more than 10 feet apart.🔗 Source
When attempting to distinguish a house mouse from a native deer mouse, which physical characteristic is the most reliable indicator?
- The size of the ears
- The color of the coat
- The amount of fur on the tail
- The size of the eyes
Show answer
The quickest tell between a house mouse and a native deer mouse is the tail: a house mouse's is nearly bare, a deer mouse's fairly to heavily furred.🔗 Source
Which of the following describes the typical size of a house mouse's gnaw marks?
- Exactly 1/4-inch wide
- Approximately 1/2-inch wide
- Roughly 1/32-inch across
- Approximately 1 inch across
Show answer
Fresh gnawing roughly 1/32-inch across is another giveaway, and mice often chew clean, 1½-inch round holes through cardboard and similar materials.🔗 Source
In what scenario is professional treatment specifically recommended?
- For any sighting of a single mouse
- Only when mice are found in the winter
- For established or recurring indoor infestations
- When mice are found in gardens or outdoors
Show answer
Professional Recommended: yes for established or recurring indoor infestations🔗 Source
According to the provided text, what is the maximum distance a house mouse is reported to stay from its nest and food sources?
- 30 feet
- 50 feet
- 60 feet
- 100 feet
Show answer
The reported limit differs by source: no more than 30 feet from the nest and food [UC IPM], or within about 50 feet of shelter and food [UNL].🔗 Source
Which symptom is characteristic of mouse droppings found during an inspection?
- They are piled up in large mounds
- They are approximately 1/2-inch long
- They taper to a point at one or both ends
- They are perfectly spherical in shape
Show answer
Rather than piling up, mouse droppings scatter; each is about 1/8- to 1/4-inch long and tapers to a point at one or both ends.🔗 Source
What is the estimated percentage of house mice nationwide that carry and spread the Lymphocytic choriomeningitis (LCM) virus?
- Less than 1%
- Approximately 5%
- Approximately 10%
- Over 25%
Show answer
Roughly 5% of house mice nationwide are thought to carry and spread the LCM virus [UC IPM]; the Pennsylvania Department of Health LCM fact sheet likewise puts the share of U.S. mice carrying LCMV at about 5%.🔗 Source
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