Pyrantel and Praziquantel are used to treat which parasite groups?

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Multiple Choice

Pyrantel and Praziquantel are used to treat which parasite groups?

Explanation:
These drugs cover two main parasite groups found in companion animals: nematodes (roundworms) and cestodes (tapeworms). Pyrantel acts on nematodes by causing neuromuscular paralysis, which leads to their expulsion from the host. Praziquantel disrupts the tegument and increases calcium influx in cestodes, causing their muscles to contract and die, effectively clearing tapeworms. Using them together targets both roundworms and tapeworms, which is why this combination is described as treating roundworms and tapeworms. The other options involve parasites like heartworms, Giardia, or various protozoa (coccidia, toxoplasma), which are not effectively treated by this drug pair.

These drugs cover two main parasite groups found in companion animals: nematodes (roundworms) and cestodes (tapeworms). Pyrantel acts on nematodes by causing neuromuscular paralysis, which leads to their expulsion from the host. Praziquantel disrupts the tegument and increases calcium influx in cestodes, causing their muscles to contract and die, effectively clearing tapeworms. Using them together targets both roundworms and tapeworms, which is why this combination is described as treating roundworms and tapeworms. The other options involve parasites like heartworms, Giardia, or various protozoa (coccidia, toxoplasma), which are not effectively treated by this drug pair.

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