anatomy mcq on cardiac muscle

Posted by Dr.blogger | 6:20 AM | | 3 comments »

Cardiac muscle cannot be tetanized because of :

a. the presence of high intercellular Ca ions

b. the presence of high K ions

c. cardiac muscle is absolutely refractory

during part of cardiac cycle

d. cardiac muscle is absolutely refractory

during most of cardiac cycle


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3 comments »

3 comments

  1. S.W // August 24, 2009 at 6:51 AM  

    the correct answer is
    d. cardiac muscle is absolutely refractory during most of cardiac cycle

  2. learn quran // October 27, 2009 at 7:26 AM  

    D is the correct answer

  3. Sarah // January 13, 2012 at 4:24 PM  

    Yeah D is the rite answer...




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