Ld50 - Study guides, Class notes & Summaries

Veterinary Pharmacology Exam Questions and Answers Latest Updated 2024/2025 (100% Correct Answers) The Federal Food and Drug Act of 1906 established the _______ as a government agency. - ANSWER Food and Drug Administration (FDA) A person studying how the body absorbs, uses, and gets rid of codeine is engaged in the pharmacological specialty called _______. - ANSWER pharmacokinetics The illicit use of an illegal drug or the misuse of a legal drug is called _______. - ANSWER drug abuse The m...

Acute Toxicity refers to toxicity from a one time exposure to a pesticide Chronic Toxicity refers to toxicity from many small exposures to a pesticide The Term LD50 refers to the level of toxicity where 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of a nerve poison with symptoms similar to chlorinated hydrocarbons Chronic Toxicity tests are conducted to determine Teratogenic and Carcinogenic effects A carcinogen is a material that causes cancer A neurot...

OTPS Exam Questions with All Correct Answers What are the modes of entry of pesticides into body(4) - Answer-1) Oral(MouthTissue) 2) Dermal(Skin) 3) Inhalation(LungsFromBreathing) 4) Ocular(Eyes) What's the difference between Chronic and Acute poisoning/effects - Answer-CHRONIC - long-term exposure over time; usually long-lasting effects/damage ACUTE - short-term or 1x exposure When is exposure potential greatest - Answer-During MIXING and LOADING Name the signal words in incre...

Which statement about heat detectors is true? - Slow to activate Sprinklers that can withstand 180°F are color-coded what ? - White What is the maximum length, in feet, to test a hose? - 300 ft Lethal Dose (LD50) is classified as? - Toxin How far down from the top of the ladder is a hoisting rope tied? - 1/3 AFFF can be used on any basic FD fog nozzle - True AFFF has to be used on a protein specific spill/fire - False What is the top of a ladder called? - Tip

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 ️️...

An inversion is when warm and cool air mix, causing turbulent air. T/F - False Which of these herbicides is more toxic? paraquat with an LD50 of 50 mg/kg 2,4-D with an LD50 of 700 mg/kg - paraquat with an LD50 of 50 mg/kg Which of the following must be recorded for a landscape herbicide application to be in compliance with WSDA for pesticide application recordkeeping? Starting and ending time of application Target pest(s) Name of surrounding pesticide sensitive individuals - Starting and...

Which of these conditions would NOT affect the ability of Streptococcus mutans to attach to teeth? - The absence of Actinomyces, a bacterium that can be part of dental plaque cell wall components - M proteins: mediates attachment and resists phagocytosis (strep. pyogenes) Opa protein: assist attachment and recept mediated endocytosis, inhibs helper t cells (n. gonorrhoeae) Mycolic acid: Waxy, resists digestion (mycobacterium TB) Pathogenicity - The ability to cause disease Virulence - the...

Category 3A+3B Pesticide Exam (New Jersey Category 3A+3B) Questions and Verified Answers. Acute Toxicity refers to toxicity from a one time exposure to a pesticide Chronic Toxicity refers to toxicity from many small exposures to a pesticide The Term LD50 refers to the level of toxicity where 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of a nerve poison with symptoms similar to chlorinated hydrocarbons Chronic Toxicity tests are conducted to determine...

WA Pesticide Test Exam Questions With 100% Correct Answers An inversion is when warm and cool air mix, causing turbulent air. T/F - answerFalse Which of these herbicides is more toxic? paraquat with an LD50 of 50 mg/kg 2,4-D with an LD50 of 700 mg/kg - answerparaquat with an LD50 of 50 mg/kg Which of the following must be recorded for a landscape herbicide application to be in compliance with WSDA for pesticide application recordkeeping? Starting and ending time of application Target pest(s) Nam...

Category 3A+3B Pesticide Exam Actual Set Questions & Revised Correct Answers Acute Toxicity refers to toxicity from - ANSWER : a one time exposure to a pesticide Chronic Toxicity refers to toxicity from - ANSWER : many small exposures to a pesticide The Term LD50 refers to the level of toxicity where - ANSWER : 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of - ANSWER : a nerve poison with symptoms similar to chlorinated hydrocarbons Chron...