Topic: Cardiac Excitability
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Answers to Common Questions
What excites skeletal muscles and inhibits cardiac muscle?
Acetylcholine Read More »
Source: http://wiki.answers.com/Q/What_excites_skeletal_muscles_and_inhib...
Where does cardiac excitation begin?
Cardiac excitation begins in the Sinoatrial Node (SA node). The actual conduction of the heart has very little to do with excitation from the brain. The heart has instrinsic rythmicity which means its beat is attributed to itself. Nervous s... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100526174702AA8w5i1
Which of the following is the proper sequence of cardiac excitati...
D sounds the most right however they rarely teach you about the atrial and ventricular myocardium as part of it. SA node--> VA node--> bundle of HIS--> Right and Left bundle branches--> purkinje fibers--> ventricular contraction. hope it he... Read More »
Source: http://answers.yahoo.com/question/index?qid=20120322124504AA07myd
More Common Questions
Answers to Other Common Questions
when a patient has hyponatremia- (decreased sodium in blood)- the extracellular osmolarity will decrease- due to less solute When extracellular osmolality decreases---water influx occurs---into the the intracellular space -the most affected...
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Source: http://answers.yahoo.com/question/index?qid=20111012212424AAUqji2
The knowledge that could allow us to effectively prevent heart attacks. The science is there to do it, but we still haven't been able to prevent the disease.
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Source: http://www.nationalreviewofmedicine.com/issue/interview/2007/4_in...
a complex question, (but simplifying) by depolarizing the cell, thereby inactivating normal Na+ channels, which are then unable to generate an action potential. Source(s): doc
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Source: http://sg.answers.yahoo.com/question/index?qid=20100928054048AAR3...
