Ld50 - Study guides, Class notes & Summaries

CA Applicator Questions and Answers Already Passed When does your applicator license expire? June 30th/every 3 years What is a pesticide? A pesticide side is any substance or mixture of substances intended for preventing, destroying,repelling, or mitigating any pest. How many days prior to your California applicator license expires will be notified by The board? 60 days Algaecides Control algae, canals, swimming pools, water tanks, and other sites. Antifouling agent Kill or repel organisms t...

Structural Pest Control Board Applicators Exam Study Questions with Verified Solutions What are the identifying features of a female black widow spider? Glossy black, globe-like abdomen with a deep red hour glass on her stomach. What are the identifying features of a black widow web? It is irregular with no distinct pattern and very strong in comparison to most other spiders. What does the term 'Ballooning' mean? When spiderlings (newly hatched spiders) climb to a high place, spin a piece of...

therapeutic index - ️️A quantitative measurement of the relative safety of a drug Comparison of the amount of a therapeutic agent that causes the therapeutic effect to the amount that causes toxicity TI ratio in other words - ️️Efficacy (pharmacology): safety (toxicity) without considering the nature of pharmacological or toxicological endpoints Is a high or low therapeutic index better? - ️️A high Therapeutic Index (TI) is preferable for a drug to have favorable safety and eff...

HAZWOPER FINAL QUESTIONS AND ANSWERS 2024 Which of the following is not an employee right under OSHA? a. Upon your request, to see copies of the results of any air testing performed on you b. To shut down a job you believe is unsafe c. To receive training about the hazards of the job d. To be provided approved PPE at no cost when your employer requires you to wear it To shut down a job you believe is unsafe A Safety Data Sheet (SDS)... a. Must be provided for chemicals us...

Which fencing provides the best protection against deer damage? - Permanent, 8-ft high woven wire fencing With high-exposure applications using mist blowers, aerosols, fog generators, or high pressure sprayers, which of the following should not be worn? - Tightly woven cotton long sleeved shirt, pants, hood, and gloves sprayed with scotchguard If you have a recommendation of 2 oz of a given chemical for 1000 sq ft how much chemical will you need for 4590 sq ft? - 9.18 oz Plant galls assoc...

2024 Agronomy Test; Questions and Answers 100% Solved 1. Which of the following essential nutrients is considered a secondary nutrient? a. phosphorus b. calcium c. potassium d. manganese e. zinc Correct answer b. calcium 2. From the following list, which oral LD50 value represents the most toxic poison? a. 300 mg/kg b. 480 mg/kg c. 5000 mg/kg d. 101 mg/kg Correct answer d. 101 mg/kg

ABSORPTION - The movement of a chemical into plants, animals (including humans), and/or microorganisms. ACARICIDE - A pesticide used to control mites and ticks. Amiticide is an acaricide. ACTIVE INGREDIENT - The chemical or chemicals in a pesticide responsible for killing, poisoning, or repelling the pest. Listed separately in the ingredient statement. ACUTE TOXICITY - The capacity of a pesticide to cause injury within 24 hours following exposure. LD50 and LC50 are common indicators of ...

Qal prep Exam 2024 Questions and Answers | 100% Correct!! D -Answer-Which of the following are pesticides? A-disinfectants B-insecticides C- herbicides D- all of the above A -Answer-Which pesticide handling activity is the most hazardous? A- mixing and loading B- rinse and drain procedures C- aerial applications D- low volume applications D -Answer-Who can provide pesticide safety training for applicators working in agricultural productions? A- a licenses PCA B- A UC Farm Advisor ...

Acute Toxicity refers to toxicity from - ANSWERa one time exposure to a pesticide Chronic Toxicity refers to toxicity from - ANSWERmany small exposures to a pesticide The Term LD50 refers to the level of toxicity where - ANSWER50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of - ANSWERa nerve poison with symptoms similar to chlorinated hydrocarbons Chronic Toxicity tests are conducted to determine - ANSWERTeratogenic and Carcinogenic effects

Structural Pest Control Board Applicators Exam Study Questions with 100% Correct Answers What are the identifying features of a female black widow spider? - Correct Answer ️️ -Glossy black, globe-like abdomen with a deep red hour glass on her stomach. What are the identifying features of a black widow web? - Correct Answer ️️ -It is irregular with no distinct pattern and very strong in comparison to most other spiders. What does the term 'Ballooning' mean? - Correct Answer ️️...