• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/4

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

4 Cards in this Set

  • Front
  • Back
What are the uses of fluoride?
highly toxic sodium fluoride and sodium fluorosilicate are no longer used as insectides in the US
soduim flualuminnnate (cryolite) which has a very low solubility and toxicity, is used as a plate insecticide
hydrofluoric acid is an industral toxicant
What are the sources of fluoride?
forages and pastures can be contamination from industry
natural waters
feed and minerals supplements
fluoride is a normal constituent of forages and plants that grow in fluoride - rich soil
herbaceceous parts accumulate large amounts but not seeds
What is the toxicity of fluodide?
acute fluoride toxicosis is not common
chronic fluoride toxicosis is mainly seen in herbivores especially dairy cattle
toxic level for most large animals are 40-60ppm
-factors influencing chronic fluoride toxicity
What are the mechanism of action of fluoride?
acute toxicosis
-caustic effect on the GI mucosa
-hypocalcemia
-coagulation defect
-increase capillary permeability
-inhibition of many enzymes