Pyrethroid Insecticides Prevent the Voltage-Gated Sodium Channels of Insects from Inactivating

question 20

Multiple Choice

Pyrethroid insecticides prevent the voltage-gated sodium channels of insects from inactivating. Neurons that were exposed to pyrethroids would ________.

• A) become hyperpolarised during an action potential
• B) not repolarise during an action potential
• C) not be able to open potassium channels
• D) not release neurotransmitter molecules

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Definitions:

Group Boycott

An agreement by two or more sellers to refuse to deal with a particular person or firm.

Engine Parts Company

A company specializing in the manufacture, distribution, or sale of components used in the construction or repair of engines.

Sherman Act

A landmark federal statute in the field of United States antitrust law passed by Congress in 1890 which prohibits monopolistic and anti-competitive practices.

Per Se Violation

An action that is inherently illegal, regardless of intent or the circumstances surrounding the action.