Practice Test Geeks(ACE) Associate Certified Entomologist Practice Test
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Pesticide Use & Safety Flashcards

7 cards from real ACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Pesticide Use & Safety flashcards as text

  1. Which route of pesticide exposure is generally considered the most significant for pest control operators during routine applications?

    Answer: Dermal absorption

    Dermal absorption accounts for the majority of pesticide exposure for applicators because skin contact with treated surfaces, sprays, and drift is most common during routine pest control work.

  2. What does the re-entry interval (REI) specified on a pesticide label require?

    Answer: Workers must wait the specified time before entering treated areas without required PPE

    The REI mandates that workers not enter treated areas without PPE for a defined period to allow pesticide residues to dissipate to safe levels.

  3. Which class of insecticides inhibits acetylcholinesterase, causing overstimulation of the nervous system?

    Answer: Organophosphates

    Organophosphates (and carbamates) inhibit acetylcholinesterase, preventing the breakdown of acetylcholine and causing continuous nerve stimulation.

  4. When transporting pesticides in a vehicle, which practice is most important for safety?

    Answer: Transporting pesticides separately from food, feed, and people

    Pesticides must always be transported separately from food, feed, clothing, and people to prevent contamination and accidental poisoning.

  5. A pesticide's LD50 value is used to measure:

    Answer: The lethal dose required to kill 50% of a test population

    LD50 (lethal dose 50) is the dose of a substance that kills 50% of a test population, expressed in mg of toxicant per kg of body weight.

  6. Which type of pesticide formulation poses the greatest inhalation hazard during application?

    Answer: Ultra-low volume (ULV) concentrate

    ULV applications produce extremely fine droplets that remain airborne for extended periods, creating the greatest inhalation risk of any common pesticide formulation.

  7. What is the primary purpose of the Worker Protection Standard (WPS) in the United States?

    Answer: To protect agricultural workers and handlers from pesticide exposure

    The EPA's Worker Protection Standard requires agricultural employers to take specific measures to reduce the risks of illness or injury from occupational exposure to pesticides.