DrTanner Is Studying the Effects of Continuous Pesticide Exposure on Auditory

question 113

Multiple Choice

Dr.Tanner is studying the effects of continuous pesticide exposure on auditory function.Using a rodent model,Dr.Tanner monitors the organ of Corti in rats with long-term pesticide exposure via two-photon microscopy.Based on his observations,he suspects that pesticides do indeed disrupt auditory function in the organ of Corti.What did Dr.Tanner observe?

• A)Pesticide exposure caused the organ of Corti to fill with fluid,preventing the transmission of sound waves.
• B)Pesticide exposure caused the eustacian tube to constrict,restricting the passage of sound waves.
• C)Pesticide exposure caused the ossicles to fracture and fail to vibrate in response to sound waves.
• D)Pesticide exposure caused damage to hair cells,preventing them from bending in response to sound.

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Definitions:

Ether

An organic compound characterized by an oxygen atom connected to two alkyl or aryl groups, with a general formula of R-O-R'.

Functional Group

Selected atom arrangements in molecules that are crucial for the unique chemical reactions those molecules perform.

Characteristic

A distinguishing feature or quality inherent to a substance, object, or individual.

Molecule

The smallest unit of a chemical compound that can retain the chemical properties of the compound, consisting of atoms held together by covalent bonds.