External Antiparasitics 2

Question 0

Whatexternal antoparasitic is not normally used in large animals?

Answer 0

Synthetic pyrethrins

Question 1

What are two general characteristics of synthetic pyrethrins

Answer 1

Greater potency than natural pyrethrins

Decompose more slowly when exposed to air or sunlight

Question 2

What do Organophosphates and carbamates do?

Answer 2

Bonds and inactivate acetylcholinesterase (AchE)

Question 3

What is also used as insecticides on crops?

Answer 3

Organophosphates and carbomates

Question 4

What drug should not be used with Organophosphates and carbamates?

Answer 4

Tetrahydropyrimididines

Question 5

What are the symptoms of Organophosphates and caramate toxicity? SLUDDE+5

Answer 5

Salivation
Lacrimation
Urination
Diarrhea
Defecation
Vomiting

Miosis
Bradycardia
Muscle tremor
Weakness
Paralysis

Question 6

What is the antidote for organophosphate and carbamate toxicity?

Answer 6

Anticholinergics (atropine/glycopyrolate)

Question 7

What are three general characteristics of Organophosphates and carbamates?

Answer 7

Conmonly used on plants and animals
Not as toxic as chlorinated hydrocarbons
Toxicity possible

Question 8

Is it ok to use multiple Organophosphates at the same time?

Answer 8

Yes, use caution

Question 9

Why should you where gloves with Organophosphates and carbomates?

Answer 9

Because it is absorbed through the skin

Question 10

What can only be used to treat Organophosphates toxicity?

Answer 10

Pralidoxime (2 Pam)

Question 11

What are three types of cattle that should not have Organophosphates or carbomates?

Answer 11

Charolais, Simmental, Brahman

Question 12

What type of dog should not have Organophosphates or carbomates

Answer 12

Sight hounds

Question 13

What are chlorinated hydrocarbons used for?

Answer 13

Animals and plants

Question 14

What Are two examples of chlorinated hydrocarbons?

Answer 14

Lindane And methoxychlor

Question 15

Why was DDT banned?

Answer 15

Decreased bird populations

Question 16

Why are some chlorinated products still being used today?

Answer 16

Currently used products don’t persist in the body fat and low doses are used

Question 17

What is a general charactoristic of chlorinated hydrocarbons?

Answer 17

Kill most insects found on plants and animals

Question 18

What animals can chlorinated hydrocarbons not be used on? 3

Answer 18

Puppies or kittens < 3 months

Lactating animals

Question 19

What is Anitra’s used for?

Answer 19

Treat dogs with demodectic mange

Question 20

What is the side effects of Anitra’s?

Answer 20

Sedation and I coordination lasting for 3 days

Question 21

What do insect growth regulators do?

Answer 21

Designed to impair normal development of immature insects resulting in death

Question 22

Do insect growth regulators kill adult insects?

Answer 22

No

Question 23

What are two examples or insect growth regulators?

Answer 23

Methoprene and lufenuron

Question 24

How is methoprene administered to animals?

Answer 24

Applied to skin via spray or collar

Question 25

What does methoprene do?

Answer 25

Causes adult fleas to produce larva that do not mature

Question 26

How is lufenuron administered?

Answer 26

Orally for dogs/ cats

Injectable for cats

Question 27

What does lufenuron do?

Answer 27

Interferes with flea egg formation and development of the flea larva exoskeleton.

Question 28

What is an example of a 1st gen synthetic pyrethroid?

Answer 28

Allethrin

Question 29

What are two examples of 2nd gen synthetic pyrethroids?

Answer 29

Resemethrin and tetramethrin

Question 30

What are two examples 3rd generation synthetic pyrethroids?

Answer 30

Fenvalerate and permethrin