A patient with an 8-month history of neurological decline dies after a severe bout of aspiration pneumonia. Autopsy of her brain reveals extensive loss of granule cells in the cerebellum and other changes most obvious in the cerebellar cortex. Fine vacuoles give the brain a spongiform appearance. No senile plaques are evident. The patient could have acquired this progressive disease through which of the following means?

a. Sexual intercourse

b. A blood transfusion

c. Consumption of raw fish

d. An upper respiratory infection

e. Growth hormone treatment

the answer is below…

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