Biology

Biology, 28.07.2019 15:00, kitttimothy55

Structures through which conduction impulses pass, in sequential order, causing the heart to contract:

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Medicine, 22.09.2019 01:30, jiggyN

As the ventricles begin to contract, blood pushes against the av valves and closes them, causing a. blood to pass into the atria. b. the second heart sound. c. the first heart sound. d. a heart murmur.

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Health, 07.10.2019 05:10, zwalkert01

What is the bundle of his? a. a collection of heart muscle components that specialize in preventing the backward flow of blood b. a collection of valves used for electrical conduction that allow the blood vessels to contract c. a collection of heart muscle components specializing in electrical conduction that allow the ventricles to contract d. a collection of chambers specialized for electrical conduction that allow the ventricles to expand c

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Health, 01.11.2019 06:31, sabahfayaskhan

The cardiologist just informed a patient that they have a reentry circuit in the electrical conduction system in their heart. this arrhythmia is called wolff-parkinson-white (wpw) syndrome. after the physician has left the room, the patient asks the nurse to explain this to them. which of the following statements most accurately describes what is happening? a) "you must have a large clot in one of your arteries that supply oxygenated blood to the special conduction cells in your heart." b) "for some reason, your electrical system is not on full charge so they will have to put in new leads and a pacemaker to make it work better." c) "this means that the sa node (which is the beginning of your heart's electrical system) has been damaged and is no longer functioning normal." d) "there is an extra, abnormal electrical pathway in the heart that leads to impulses traveling around the heart very quickly, in a circular pattern, causing the heart to beat too fast."

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