ACE Cheat Sheet 2026

The 30 highest-yield ACE facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is a 'tolerance' in the context of US pesticide regulation? → The maximum legal residue level of a pesticide allowed on food
2. Which cuticular layer is most responsible for waterproofing in terrestrial insects? → Epicuticle wax layer
3. Which behavior describes an insect's directional movement away from a harmful stimulus such as a repellent? → Negative taxis
4. Which stored product pest is most commonly found infesting flour, cereals, and grain-based products in homes and warehouses? → Indian meal moth (Plodia interpunctella)
5. Grooming in honey bees has been observed to remove pesticide dust particles from the body. This poses a risk because: → Ingested particles can cause sublethal neurological impairment even at low doses
6. An entomologist working in a fire ant-infested area sustains over 100 stings on both legs. The MOST serious immediate health concern is: → Systemic toxic reaction or anaphylaxis
7. The term 'IPM threshold' refers to: → The pest population level at which control action becomes economically or health justified
8. The primary circulating sugar in insect hemolymph, used for rapid energy mobilization, is: → Trehalose
9. Which behavioral cue do German cockroaches (Blattella germanica) use to aggregate preferentially in specific harborage sites? → Aggregation pheromones present in fecal deposits at the site
10. Which term describes insects that undergo complete metamorphosis with four life stages: egg, larva, pupa, and adult? → Holometabolous
11. What is the importance of continuing education for ACE professionals in Sanitation & Disease Prevention? → Maintaining current knowledge and adapting to industry changes
12. What is the primary purpose of an insect light trap (ILT) in a food-handling facility? → To attract and kill flying pest insects near food prep areas
13. Proper waste management in a residential setting to reduce fly populations should focus on which primary practice? → Using tightly sealed containers and disposing of garbage frequently
14. Which of the following actions constitutes a FIFRA violation? → Applying a pesticide for a use not listed on the label
15. Which of the following best describes the nesting preference of the Norway rat? → Burrows in the ground near foundations and walls
16. What is evidence-based practice in ACE Animal Anatomy & Physiology? → Integrating research evidence with expertise and client needs
17. What is a needs assessment in ACE Animal Anatomy & Physiology practice? → Identifying gaps between current conditions and desired outcomes
18. Which region of the insect midgut is most responsible for nutrient absorption? → Gastric caeca and the main midgut epithelium
19. What is the importance of continuing education for ACE professionals in Grooming Techniques? → Maintaining current knowledge and adapting to industry changes
20. An insect's ability to regulate the ratio of protein to carbohydrate intake is best described by which concept? → Nutritional geometry (geometric framework)
21. What is a needs assessment in ACE Animal Behavior & Psychology practice? → Identifying gaps between current conditions and desired outcomes
22. The intersegmental muscles of the insect abdomen are primarily used for: → Respiratory pumping and oviposition movements
23. Which insect order includes butterflies and moths? → Lepidoptera
24. When a conscious pesticide-ingestion victim calls the Poison Control Center, the center will most likely advise: → Do NOT induce vomiting; follow specific label-based guidance
25. Which order includes insects known as 'true bugs,' characterized by hemelytra (partially thickened forewings)? → Hemiptera
26. The tympanal organ in insects such as crickets and moths primarily functions as: → An auditory organ detecting airborne sound waves
27. What is a risk matrix used for in ACE practice? → Evaluating risks by plotting likelihood against impact severity
28. When designing an ant bait program, understanding grooming behavior is important because worker ants that groom excessively after bait contact may: → Ingest a lethal dose faster, reducing transfer before they reach the colony
29. What is peer review in ACE Grooming Techniques? → Quality evaluation by qualified colleagues for improvement
30. In honeybees, the 'round dance' communicates that a food source is located within approximately how far from the hive? → 100 meters