Heart Anatomy

Question 1 of 5

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Which valves are most commonly affected by infective endocarditis?

Select one of the following:

  • Aortic and Mitral Valves

  • Aortic and Tricuspid Valves

  • Tricuspid and Mitral Valves

Question 2 of 5

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What is the name of the muscle found in the atrium

Select one of the following:

  • Pectinate

  • Trabeculae carnae

Question 3 of 5

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Fill the blank spaces to complete the text.

There are specialised types of cardiac muscle cell. The contractile cells, composing of cardiac muscle cells and the auto-rhythmic cells, which initiate and conduct for contraction of working cells.

Question 4 of 5

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The SA node, is always in transient state towards hyperpolarisation. This causes activation of the funny Na+ channels allowing an influx of Na+. K+ channels close slowly allowing threshold to be reached. The next step is?

Select one or more of the following:

  • Closing of Na+ channels and opening of transient calcium channels

  • Opening of transient Na+ channels and opening of transient calcium channels

Question 5 of 5

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The auto-rhythmic cells of the SA node set the pace of the heart at ( 70-80, 80-100, 100-120 ) BPM, in the presence of parasympathetic tone. These cells have the fastest rhythm at controlling heart rate. The cells of the AV node are ( slower, faster ) and set a rhythm of 40-( 60BPM, 100BPM ).


Heart Anatomy

Quiz by , created 11 months ago

Demo test of questions for heart

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Created by jimmy_sheehan318 11 months ago