RQ6 Key Sum 16 (1) - Reading Quiz 6 Objectives Know the basics of cardiac muscle contraction Compare\/contrast contractile cells and pacemaker cells BE

RQ6 Key Sum 16 (1) - Reading Quiz 6 Objectives Know the...

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Reading Quiz 6Objectives: Know the basics of cardiac muscle contractionCompare/contrast contractile cells and pacemaker cellsBE ABLE TO DRAW A CONTRACTILE ACTION POTENTIAL AND A PACEMAKER ACTION POTENTIALTrace the path of electrical conduction in the heart 1. How is cardiac muscle different from skeletal muscle? Choose all correct. (20)a. contracts by the sliding filament mechanismb. can vary force of contraction by varying calcium entering the cellc. can tetanized. myogenic rather than neurogenic2. Intercalated discs (10)3. Autorhythmic (pacemaker cells) are uniquein that they have (10)4. Extra credit. Ifchannels are called such because of their unusual or
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