Norepinephrine

$(i)$ is released by sympathetic fibers

$(ii)$ is released by parasympathetic fibers

$(iii)$ increases the heart rate

$(iv)$ decreases blood pressure.

Which of the above statements are correct ?

  • [NEET 2013]
  • A

    $(i)$ and $(iii)$

  • B

    $(ii)$ and $(iii)$

  • C

    $(ii)$ and $(iv)$

  • D

    $(i)$ and $(iv)$

Similar Questions

Select the correct option on the basis of following sentences : This gland's :

$(I)$ Hormones increase alterthess

$(II)$ Hormones increase the heart beat

$(III)$ Stimulate the breakdown of glycogen

$(IV)$ Stimulate the breakdown of lipids and proteins

When a normal heart is injected with physiological concentration of adrenalin, it shows

  • [AIIMS 1983]

The main function of nor-adrenaline is

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