Which respiratory organ(s) has a cardiac notch?
A. right lung
B. both the right and the left lungs
C. left lung
D. right primary bronchus
E. left primary bronchus
Ans: C. left lung
Anatomy & Physiology
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The plateau of the cardiac action potential results from the opening of voltage-gated slow ____ channels in the plasma membrane of the cardiac cell
a. sodium b. potassium c. calcium d. chloride e. glucose
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Answer the following statement true (T) or false (F)
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a. true b. false
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