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Question: relaxation of precapillary sphincters allows blood flow through metarteriolesandnbspandnbsptruefalse blood flow...

Question details

• Relaxation of precapillary sphincters allows blood flow through metarterioles    True False

• Blood flow through metarterioles maximises blood-tissue exchange.     True False

 

 

b) Choose the correct options to complete the sentence below:

 

• When the metabolic activity of a tissue increases, the PCO2    increases decreases  and the PO2    increases decreases  , causing    dilation constriction  of the arteriole.  This phenomenon is called    active hyperemia reactive hyperemia arteriolar tone myogenic response extrinsic regulation  .

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