Which of the following is NOT commonly used as an insect repellent?

Prepare for the Public Health Sanitarian Test with flashcards and multiple choice questions. Each question offers hints and explanations. Get ready to ace your exam!

The choice of 1080 as the correct answer is based on its classification and use. 1080, or sodium fluoroacetate, is primarily known as a pesticide and is not utilized as an insect repellent for personal protection against insect bites. Instead, it serves as a rodenticide and is used for controlling certain animal populations due to its toxicity.

On the other hand, DEET, Picaridin, and Permethrin are all recognized for their effectiveness in repelling insects. DEET is one of the most widely used insect repellents and is effective against mosquitoes, ticks, and other biting insects. Picaridin provides a similar protective effect and is often favored for its lower odor and potential less irritation on the skin. Permethrin, while sometimes confused with repellents for direct application on skin, is primarily used for treating clothing and gear to repel insects.

Therefore, recognizing the primary purposes of each substance helps clarify why 1080 does not fit within the category of common insect repellents.

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