更多"[不定项选择题]腺苷"的相关试题:
[不定项选择题]腺苷
A.终止心房扑动
B.终止心房颤动
C.终止室上性心动过速
D.终止尖端扭转型室性心动过速
E.终止非阵发性交界性心动过速
[不定项选择题]通过激活腺苷酸环化酶产生平喘作用的药物是
A.氨茶碱
B.异丙托溴铵
C.色甘酸钠
D.酮替芬
E.β受体激动剂
[单选题]腺苷脱氨酶缺乏症是由于腺苷脱氨酶的( )
A.基因缺陷引起
B.表达受阻遏引起
C.活性被抑制引起
D.变性引起
E.化学修饰引起
[单选题]酶的可逆共价修饰中,酶的腺苷酰化和去腺苷酰化位点通常在酶的哪一种氨基酸残基上( )。
A.天冬氨酸
B.脯氨酸
C.赖氨酸
D.酪氨酸
[不定项选择题]共用题干
A Doctor in the House
Brushing your teeth twice a day should keep the dentist away. But if a group of scientific researchers have their wish,it will make the rest of your body healthy too.______(1)It is one of many gadgets(小装置)proposed by engineers and doctors at the Center for Future Health in New York一others include a pair of glasses that help to jog your memory,and a home camera designed to check for cancer.
The devices seem fanciful,but the basic principles are simple. The gadgets should make it easy for people to detect illness long before it strikes and so seek treatment far earlier than normal.______(2)In the long run,the technology may even prevent illness by encouraging us to lead healthier lives.
Intelligent bandages(绷带)are a good example. Powerful sensors within the bandage could quickly identify tiny amounts of bacteria in a wound and determine which antibiotics(抗生素)would work best.______(3)
Socks are long overdue for a makeover. In the future they will be able to automatically detect the amount of pressure in your foot and alert you when an ulcer(溃疡)is coming up. All the projects should have far-reaching implications,but the biggest single develop-ment is a melanoma(黑瘤)monitor designed to give early warnings of cancer.______(4)If a problem is found,the system would advise you to get a check-up at your doctor's surgery.
If all this sounds troublesome,then help is at hand.______(5)A standard computer would be able to understand your voice and answer questions about your symptoms in plain
English and in a way which would calm your nerves.
______(5)
A: Experts are also working on a“digital doctor”,complete with a comforting bedside manner.
A.Instead of relying on hi-tech hospitals,the emphasis is shifted to the home and easy- to-use gadgets.
B.The cut could then be treated instantly,so avoiding possible complications.
C.That is going to be the difficult part.
D.The device could be used to take a picture of your body each week,then compare it with previous images.
E.A toothbrush that checks blood sugar and bacteria while you brush is currently in de- velopment in US
F.