A.10% B.20% C.50% D.70% E.80%
A.二氧化碳分壓增高B.氧分壓下降C.氫離子濃度升高D.局部溫度升高E.氧分壓升高
A.白質(zhì)血流量是灰質(zhì)血流量的2倍 B.灰質(zhì)血流量是白質(zhì)血流量的2倍 C.白質(zhì)血流量是灰質(zhì)血流量的3~4倍 D.灰質(zhì)血流量是白質(zhì)血流量的3~4倍 E.白質(zhì)血流量是灰質(zhì)血流量的1倍