Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
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Question: Question: Does racemic ketamine abolish cerebrovascular autoregulation in the pig?
Answer: We conclude that autoregulation of CBF is not abolished during continuous ketamine infusion in normoventilated pigs and that previous divergent conclusions are unlikely to be associated with severe impairment of cerebrovascular autoregulation.

Answer: no

Question: Question: Does electrical stimulation prior to delayed reinnervation enhance recovery in muscles of rats?
Answer: The primary factors that inhibited reinnervation and recovery following delayed reinnervation were not alleviated by the electrical stimulation during the period of muscle denervation.

Answer: no

Question: Question: Is apolipoprotein E genotype associated with cognitive impairment in older adults with bipolar disorder?
Answer: APOE*4 is not associated with the diagnosis of BD and does not impact the occurrence of dementia in BD. Given the distinct clinical and biological features of cognitive impairment in BD, we hypothesized that dementia in BD is unrelated to AD pathological mechanisms.

Answer:
no