Electrophysiology 1) (8 pts.) Match the most appropriate pairs _F__ AV node (atrioventricular node) _E__ gap junctions _G__ action potential generated by ventricular myocytes _H__ functions as the pacemaker of the whole heart _D__ calcium _C__ Bachmann’s bundle _A__ Bundle of His _B__ action potential generated by pacemakers Prof. Beyenbach VRT 8014 A. ventricular conduction system that distributes the action potential arriving at the AV node B. slow response action potential C. mediates the atrial action
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Chapter 20- List the functions of the lymphatic vessels. The function of the lymphatic vessels‚ or lymphatic’s‚ is an elaborate system of drainage vessels that collect the excess protein-containing interstitial fluid and return it to the bloodstream. Describe the structure and distribution of lymphatic vessels. The lymphatic collecting vessels have the same three tunics as veins‚ but the collecting vessels are thinner walled‚ have more internal valves‚ and anastomose more. The lymphatic
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Action potential‚ impulse conduction (italics)‚ and cardiac cycle (bold) Pacemaker cells in the SA node‚ found in the wall of right atrium‚ begin as polarized‚ with Na+ on the outside of the cell (sarcolemma) and the cell at its resting potential (-80 mV in the atria‚ -90 mV in the ventricles). The atria are full or filling with blood. The SA (and technically the AV) nodal cells gradually drift towards their threshold after each repolarization and depolarize (the prepotential: spontaneous depolarization)
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Chapter 1 Introduction During last few decades‚ booming of wireless sensor network (WSN) require a reliable power source. Generally the power sources to these microsystems are the conventional battery. However‚ the battery has a finite lifespan and once extinguished of its power‚ these sensors must be retrieved and the battery replaced [1]. With these sensors being placed in remote location it can become an expensive task to obtain and replace the battery. Therefore‚ it becomes necessary to provide
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1. Cancer is the disease caused by an uncontrolled division of abnormal cells in a part of the body. Biopsy is an examination of tissue removed from a living body to discover the presence‚ cause‚ or extent of a disease. Tumor is swelling of a part of the body‚ generally without inflammation‚ caused by an abnormal growth of tissue‚ whether benign or malignant. Malignant Melanoma is a type of cancer arising from the melanocyte cells of the skin. Melanocytes are cells in the skin that produce a pigment
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the action potential occurs through every phase it passes through the heart due to the fact that the heart contracts in and then relaxes as a beat occurs‚ and it can be seen through the EKG. It first begins in the SA node where it starts the impulse‚ then it is delayed at the Av node‚ then the impulses passes the heart apex and ventricular excitation begins‚ which leads to the ventricular excitation to be complete. As the impulses move around the heart it allows us to track the blood flow of the heart
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infection? In the course of your answer explain terms such as adhesion molecules‚ diapedesis‚ chemotaxsis‚ opsonization‚ and phagocytosis. . Jason’s physician noted that Jason’s cervical lymph nodes were enlarged‚ a condition referred to as lymphadenopathy. Describe the structure and function(s) of lymph nodes‚ and list the other organs and tissues that comprise the lymphatic system. . Describe the anatomic location and function of tonsils. . What is the mechanism by which fever is induced and
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Lab# 1 The Node-Voltage Method of Circuit Analysis By: Abstract This report used KCL and Ohm’s law to calculate the node voltages and compare them to the measured node voltages after building the circuit. The calculations were obtained by hand using node analysis. The experiment was simulated on PSpice and the results were verified to hand calculations. The circuit was built in the lab and the results were measured with a digital multi-meter and compared to the calculated values‚ and
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Marketing Strategy and Plan – Session 6 Gillette’s Launch of Sensor The introduction of the Sensor Shaving System‚ one of the biggest product launches ever‚ forced Gillette to reevaluate its strategy in its shaving and non-shaving business. It had to decide whether to go ahead with the launch and if so‚ at what scale. Gillette’s top management had to make very important decisions regarding the launch of its Sensor line. They are questioning‚ on which markets to focus their launch‚ how aggressive
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treatment‚ and any chance of a cure depends on the stage‚ and the type of lymphoma. Sometimes Hodgkin’s lymphoma can come back‚ and it is defiantly possible to get rid of it. Even if the lymphoma is not curable‚ the treatment can shrink the enlarged lymph nodes. So don’t get weary there are always resources to help people for dealing with cancer much easier. Just talking with their loved ones! Giving supportive information on managing the emotional‚ and physical effects of cancer‚ taking time out for yourself
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