LD50 Study guides, Class notes & Summaries

D -Answer-Which of the following statements is true about chronic pesticide exposure? A- it can cause long lasting or permanent health effects B- it always results in the death of the lab animal C- it may affect the offspring of the organism exposed D- a and c B -Answer-Which if the following pesticide groups is the most environmentally persistent? A- organophosphates B- organochlorines C- n- methyl carbamates D- anti-coagulants C -Answer-The jar test is used to prevent problems with ...

NBDE Part II Exam Questions And Answers With Latest Solutions The Therapeutic Index (T.I.) of a drug is defined as A. ED50/LD50. B. ED1 /LD99. C. LD1 /ED99. D. LD99/ED1. E. LD50/ED50. Correct Answer: E. LD50/ED50. In a complete denture patient, when the teeth, occlusion rims, and central bearing point are in contact and the mandible is in centric relation, the length of the face is known as the A. interocclusal rest space. B. vertical dimension. C. physiologic rest position. D. res...

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 (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...

MMSC 436 Exam 3 with Correct Answers Already Passed 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...

2024 VTNE Pharmacology Exam ( Version 1 ) New Full Exam Questions and Answers ( Included ) 100% Correct 1. Who regulates controlled drugs? Answer: The FDA (Food and Drug Administration) and the DEA (Drug Enforcement Administration) 2. C-I Answer: Schedule I drugs have the most abuse potential and no current medically acceptable use Marajuana, heroin 3. C-II Answer: Schedule II drugs have a high abuse potential and are prone to cause severe dependence Written prescription only (exce...

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 fencing provides the best protection against deer damage? - correct answer 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? - correct answer 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...

Washington Pesticide Laws and Safety Test, Practice Exam Questions and Answers Already Passed A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) True The use of temperature or humidity manipulation is a ________ control method for insects Physical Drift problems can be reduced by: a. using lower pressure, smaller nozzle orifices b. applying in very calm, stable air conditions c. spraying upwind of a sensitive area d. placing bloom as c...