Cardiac Care Week 3: Heart -- Electrical Conduction System
A normal adult heart rate is ________? 100-160 30-90 0-60 60-100
60-100
EKG/ECG is a picture of the ____________ activity of the heart Circulatory Defense Electrical All the above
Electrical
The heartbeat is controlled by the cardiac electrical system in 5 ways? True False
False
The SA node consists of what type of tissue? Muscle and cardiac Muscle and nervous Nervous and smooth Smooth and Connective
Muscle and nervous
The electrical impulse of the heart originates at the ___________? AV Node SA Node Bundle of HIS Perkinje fibers
SA Node
Identify the correct path of the heart's electrical conduction AV node- Perkinje Fibers-SA Node-Bundle of HIS SA node-Bindle of HIS-Perkinje fibers-AV node SA Node-AV node-Bindle of HIS-Perkinje fibers SA node-right atrium-left ventricle-Perkinje fibers
SA Node-AV node-Bindle of HIS-Perkinje fibers
The heart rate is determined by? How much blood is pumped through the heart How big the heart is The number of electrical impulses The amount of electric conducted in the electrical system
The number of electrical impulses
The SA node is located ________ ? In the apex of the heart The base of the heart The top of the right atrium The left ventricle
The top of the right atrium
The SA node is the pacemaker of the heart True False
True
The AV node contracts the _____________? Ventricles Atrium Septum Base of the heart
Ventricles
