Part Draw Diagram Assignment Help: How to Answer This Question

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Original Question

Part A: 1. Draw a diagram of an autorhythmic cell. Include and label the ion gates (If, t-type, L-type, K+) found in the plasma membrane. Diagram, for two cycles, the RMP, Threshold, depolarization and repolarization of these cells 2. Draw a diagram of a cardiac contractile cell. Include and label the ion gates (Inward rectifier Kv+ channels, Nav+ channels, Transient outward Kv+ channels, L-type Cav2+ channels, Delayed rectifier Kv+ channels) found in the plasma membrane. Diagram and label the RMP, Threshold, depolarization, plateau and repolarization of these cells 3. Diagram what effect Ach has on the autorhythmic cells. Include the type of muscarinic receptor and activation of the 2nd messenger system 4. Diagram what effect NE/Epi has on the autorhythmic/cardiac contractile cells. Include the type of adrenergic receptor and activation of the 2nd messenger system Hint: If you do the Cardiac Physiology Lesson (Lab Assignment #5) it will help with the synthesis of your poster Part B: 1. Draw and label the following events on the EKG P wave; QRS complex; T wave; P-R interval; S-T segment 2. Label the following events on the EKG Atrial depolarization; Ventricular depolarization; Ventricle repolarization Closing of the semilunar valves; Opening of the semilunar valves Dicrotic wave Isovolumic relaxation; Isovolumic contraction Ventricular pressure increase from 80 mmHg to 120 mmHg AV valve closing; AV valve opening 1st heart sound; 2nd heart sound EDV; ESV; SV Aortic pressure increasing Ventricular volume increase from 60 ml to 116 ml Ventricular volume increase from 116 ml to 130 ml 3. Draw a pressure – volume curve and label the events Demonstrate what would occur with an increase in MAP Demonstrate what would occur with an initial increase in sympathetic drive 4. Pharmacological Application a. Diagram the mode of action of Metoprolol (a class II antidysrhythmic agent) on the heart c. Diagram the mode of action of Atropine on the heart

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