Humans are the definitive host for Diphyllobothrium latum or the fish tapeworm which competes for Vitamin B12 with its human host. Vitamin B12 deficiency can result in an anemia with production of very large red blood cells, called macrocytic anemia. All of the following would prevent the spread of this disease but one. Which one would not be a method of prevention?
Submitted by: Administrator* A. Avoid swimming in fresh waters that are endemic for Diphyllobothrium latum
* B. Cook freshwater fish well before eating
* C. Freeze fish that is going to be consumed raw which will kill the parasite
* D. Provide sewage treatment plants that treat raw sewage before dumping it into fresh water
* E. Avoid eating fresh water fish
Correct Answer: A
Submitted by: Administrator
* B. Cook freshwater fish well before eating
* C. Freeze fish that is going to be consumed raw which will kill the parasite
* D. Provide sewage treatment plants that treat raw sewage before dumping it into fresh water
* E. Avoid eating fresh water fish
Correct Answer: A
Submitted by: Administrator
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