S2W6 ion channels underlying the cardiac action potential (FS) 0.0 / 5 ? OtherFundamentals of scienceUniversityNone Created by: Tino MurondaCreated on: 15-03-21 11:00 What ion channel is responsible for the upstroke in the atria? NaV1.5 1 of 11 What ion channel is responsible for the upstroke in the SAN? CaV1.2 2 of 11 What ion channel is responsible for the transient repolarisation in the ventrices? Kv4.3 3 of 11 What ion channel is responsible for the delayed repolarisation in the ventricles? ERG channel 4 of 11 What ion channel is responsible for the upstroke in purkinjie cells? NaV1.5 5 of 11 What ion channel is responsible for the slow depolarisation in the SAN? Funny current 6 of 11 What are potassium channels encoded by? ERG gene 7 of 11 what cells are ERG genes robustly expressed in? Sino atrial node cells 8 of 11 What ion channel is involved in delayed repolarisation? Kv7.1 9 of 11 What is the pronounced plateau on the action potential generated by? The balance of calcium influx through Cav1.2 channels 10 of 11 What are cardiac channelopathies? Congenital or acquired genetic disorders manifesting with a disruption of cardiac ion channel function leading to altered electrical function. 11 of 11
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