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Which will increase peripheral resitance? Epineohrine. Norepinephrine. Angiotensin II. All the above.

  1. Which will increase peripheral resitance?

    Epineohrine.

    Norepinephrine.

    Angiotensin II.

    All the above.
Science   Anatomy-And-Physiology   
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Answer #1

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Option D) All of the above

  • Epinephrine and norepinephrine are catacholamine hormones released from adrenal medulla.
  • They triggers flight and fight response. They cause vasoconstriction leading to increased total peripheral resistance and increase in blood pressure.
  • Angiotensin-II is a part of RAAS mechanism that is activated following a drop in blood pressure.
  • As a result, angiotensin-II also acts on blood vessel walls and cause vasocontriction to increase total peripheral resistance.
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