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Solve this:

Solve this: Z z O 0 z 2. 3.

Dear Student,
 
Kindly refer to the link provided below to the asked query:
160. The correct option is a.
https://www.meritnation.com/ask-answer/question/name-the-amine-hormones-and-their-glands-give-thier-function/chemistry/6754445
  49. The correct option is b.
https://www.meritnation.com/ask-answer/question/what-is-refractory-period/neural-control-and-coordination/3387491
 
Hope this information will clear your doubts about the topic.
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Norepinephrine is similar to adrenaline. It works by constricting (narrowing) the blood vessels and increasing blood pressure and blood glucose (sugar) levels.Norepinephrine is used to treat life-threatening low blood pressure (hypotension) that can occur with certain medical conditions or surgical procedures.
 
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it increases blood pressure
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for Qno:160 the correct option is ​(1) blood pressure.When norepinephrine acts as a drug it increases blood pressure by increasing vascular tone through α-adrenergic receptor activation.
and for QNO:49 the correct option is (2) NERVE can not transmit impulse.During this refractory period, the axon will not respond to a new stimulus.so nerve cannot transmit impulse.
i hope dis helped u...
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