Term
| What is another name for dirofilaria immitis? |
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Definition
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Term
| Where did canine heartworm start in the US? |
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Definition
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Term
| What are the definitive hosts for dirofilaria immitis? |
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Definition
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Term
| Can humans become infected with dirofilaria immitis? |
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Definition
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Term
| What is the habitat of adult dirofilaria immitis? |
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Definition
| The right ventricle and the pulmonary artery |
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Term
| Dirofilaria immitis inhabits the lungs instead of the heart in which animals? |
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Definition
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Term
| What is it called when there are no microfilaria when adult heartworms are present? |
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Definition
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Term
| How are adult dirofilaria immitis detected? |
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Definition
1. ELISA test
2. radiography |
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Term
| How are microfilaria detected? |
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Definition
1. modified Knott’s test
2. filter technique
3. blood smear
4. hematocrit method |
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Term
| At which larval stage does dirofilaria immitis become infective? |
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Definition
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Term
| Which larval stage of dirofilaria immitis develop in the mosquito? |
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Definition
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Term
| Which larval stage of dirofilaria immitis moves to the mouthparts of the mosquito so that it can infect a host? |
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Definition
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Term
| How long does dirofilaria immitis remain in the connective tissue ? |
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Definition
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Term
| Which larval stage is the mature stage of dirofilaria immitis? |
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Definition
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Term
| How long after initial infection do dirofilaria immitis produce microfilaria? |
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Definition
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Term
| What are the symptoms of heartworm infection? |
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Definition
1. lethargy
2. dry cough
3. exercise intolerance |
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Term
| What medications are used to treat dirofilaria immitis? |
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Definition
1. moxidectin (ProHeart 6)
2. milbemycin (Sentinel and Interceptor)
3. ivermectin (Heartgard and Heartgard Plus)
4. selamectin (Revolution)
5. diethylcarbamazine (Filaribits) |
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Term
| Heartgard should not be given to which breeds of dog? |
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Definition
| The collie and the sheltie |
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Term
| Which medication is used to treat adult heartworms? |
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Definition
| Immiticide (melarsomine dihydrochloride) |
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Term
| Is dipetalonema reconditum pathogenic? |
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Definition
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Term
| How are the microfilaria for dipetalonema reconditum and dirofilaria immitus distinguishable? |
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Definition
Body shape and movement.
D. reconditum is hook shaped with a broom stick handle anterior, and movement is snake-like
D. immitus is longer and wider, has a tapered anterior and coils and uncoils, wiggles and stays in one place. |
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Term
| What is the main symptom of heartworm infections in cats? |
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Definition
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