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氯丙嗪可因其具有明显的阻断___________受体的作用，而引起体位性低血压；因其具有___________ 受体阻断作用，而引起口干、便秘和视力模糊等现象；因阻断黑质-纹状体通路___________受体，使纹状体中___________能神经功能减弱，___________能神经功能相对增强而引起锥体外系反应。阻断结节一漏斗通路的___________受体后，可导致内分泌紊乱。
游离缺失者，末端为前磨牙支持条件差，应设计卡环种类是
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Have you ever noticed that while it"s pretty easy to tell your dog is sick， it"s much harder to know how your cat or bird are feeling？ Welt， before you start asking your dog why it can"t be more 26 like animals half its size， it"s probably worth 27 each animal"s place in the food chain. You see， the lower down the food chain you are， the more important it is for you to hide any sign of illness. Obvious illness or pain28 as red flags for predators. You may as well wear a sign saying， "Easy meal， guys. Come and get me."
Now， even small dogs are 29 programmed to function like predators，which 30 considering they are close relatives of wolves. And birds——you can probably 31 why the only way you"d find out your bird is sick is when it dies.
The situation with cats，32 dogs and birds， is much more interesting. On the one hand， cats are predators， but on the other， they"re small enough to be prey.
So how can you tell if your smaller pets need 33 attention？ For one thing，trust your feelings. No one knows your pets like you do， so if you notice even very 34 changes in habits and behavior， you may want to have a vet look them over. For a cat， other signs of illness might be that it has stopped grooming， is losing weight，35more or less than usual， or missing the litter box.
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