Anatomy and
Electrophysiology of the
Heart with correct answers
2025/2026
20-40 BPM - correct answersPurkinjie node
4 chamber of the heart consist of - correct answers2 atria, and 2 ventricles
40-60 BPM - correct answersAV node
80-100 BPM - correct answersSA Node
A sufficiently strong stimulus will depolarize myocardium - correct answersRefractory period
Ability of myocardial cell to contract when stimulated by an electrical impulse - correct
answersContractility
Ability to respond to an electrical stimulus - correct answersExcitability
Ability to transmit an electrical stimulus from cell to cell throughout myocardium - correct
answersConductivity
Allows top and bottom parts of the heart to act as separate sequential pumps and electricity
insulates the atria from the ventricles - correct answersThe skeleton of the heart
, Aortic and pulmonic valves are located - correct answersat the base of the aorta and pulmonary
artery
Can produce electrical activity without outside nerve stimulation - correct answersAutomaticity
Cardiac muscles do what - correct answers1. attach to fibrous connective tissue
2. contract ventricles in a wringing motion
Cardiac out is expressed in - correct answersLPM
HR x SV=CO
Change in electrical charge over time is referred to as - correct answersthe cell's action potential
Contraction of atria and ventricles - correct answersSystole
Depolarization of the septum and ventricular walls generate what complex and contraction of
ventricles - correct answersQRS complex
During pulmonary circulation what carries deoxygenated blood to the lungs - correct
answersPulmonary arteries
During pulmonary circulation what carries oxygenated blood back to the heart - correct
answersPulmonary veins
During systemic circulation what carries deoxygenated blood - correct answersVeins
Electrophysiology of the
Heart with correct answers
2025/2026
20-40 BPM - correct answersPurkinjie node
4 chamber of the heart consist of - correct answers2 atria, and 2 ventricles
40-60 BPM - correct answersAV node
80-100 BPM - correct answersSA Node
A sufficiently strong stimulus will depolarize myocardium - correct answersRefractory period
Ability of myocardial cell to contract when stimulated by an electrical impulse - correct
answersContractility
Ability to respond to an electrical stimulus - correct answersExcitability
Ability to transmit an electrical stimulus from cell to cell throughout myocardium - correct
answersConductivity
Allows top and bottom parts of the heart to act as separate sequential pumps and electricity
insulates the atria from the ventricles - correct answersThe skeleton of the heart
, Aortic and pulmonic valves are located - correct answersat the base of the aorta and pulmonary
artery
Can produce electrical activity without outside nerve stimulation - correct answersAutomaticity
Cardiac muscles do what - correct answers1. attach to fibrous connective tissue
2. contract ventricles in a wringing motion
Cardiac out is expressed in - correct answersLPM
HR x SV=CO
Change in electrical charge over time is referred to as - correct answersthe cell's action potential
Contraction of atria and ventricles - correct answersSystole
Depolarization of the septum and ventricular walls generate what complex and contraction of
ventricles - correct answersQRS complex
During pulmonary circulation what carries deoxygenated blood to the lungs - correct
answersPulmonary arteries
During pulmonary circulation what carries oxygenated blood back to the heart - correct
answersPulmonary veins
During systemic circulation what carries deoxygenated blood - correct answersVeins
