إن شاء الله هيكون هنا جميع Animation physiology ل د / جورج
Heart animation anterior view
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Heart animation - lateral view
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Anatomy of the heart-interactive animation
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Interactive heart
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Cardiac circulation
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Mitral valve - atrial view
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tricuspid valve - atrial view
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Mitral valve - ventrical view
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tricuspid valve - ventrical view
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A simple animation but a good one!
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Animation: The Cardiac Cycle (Quiz 1)
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A quiz:
The ____________ carries blood throughout the body; the ____________ carries blood only to and from the lungs.
A) systemic circuit; pulmonary circuit
B) pulmonary circuit; systemic circuit
C) venous circulation; arterial circulation
D) arterial circulation; venous circulation
A quiz
The pathway of circulation through the heart is:
a) Superior-Inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary vein, lungs, pulmonary artery, left atrium, mitral valve, left ventricle aortic valve, aorta
b) Superior-Inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs, pulmonary vein, ...
left atrium, mitral valve, left ventricle, arotic valve, aorta
c) Superior-Inferior vena cava, right atrium, mitral valve, right ventricle, pulmonary valve, pulmonary vein, lungs, pulmonary artery, left atrium, tricuspid valve, left ventricle, arotic valve, aorta
d) Superior-Inferior vena cava, left atrium, tricuspid valve, left ventricle, pulmonary valve, pulmonary artery, lungs, pulmonary vein, right atrium, mitral valve, right ventrical, arotic valve, aorta
Which two heart chambers pump oxygenated blood?
a. the right and left atria
b.the right and left ventricles
c. the right atrium and the left ventricle
d.the left atrium and the left ventricle
e.the right atrium and the pulmonary trun
A quiz:
The bicuspid valve is located between which two chambers of the heart?
a. the right and left atria
b. the right and left ventricles
c. the right atrium and the left ventricle
...
d. the left atrium and the left ventricle
e. the right atrium and the pulmonary trunk
The semilunar valves close during...
A) ventricular systole.
B) ventricular diastole.
C) atrial systole.
D) atrial diastole.
E) both atrial and ventricular systole.
True or false
Atrial contraction accounts for most of the ventricular filling.
A) True
B) False
5 The ventricles begin to fill during ventricular diastole.
A) True
B) False
The semilunar valves close during...
A) ventricular systole.
B) ventricular diastole.
C) atrial systole.
D) atrial diastole.
E) both atrial and ventricular systole.
True or false
Atrial contraction accounts for most of the ventricular filling.
A) True
B) False
5 The ventricles begin to fill during ventricular diastole.
A) True
B) False
The pathway of conduction through the heart is:
A) SA node to AV node to Purkinje Fibers, to Bundle of His, to Right & Left Bundle Branches to Myocardial fibers
B) AV node to SA node to Bundle of His to Right & Left Bundle branches to Purkinje Fibers to Myocardial Fibers
C) SA node to AV node to Bundle of His to Right & Left Bundle Branches to Purkinje Fibers to Myocardial Fibers
D) SA node to AV node to Bundle of His to Right & Left Bundle Branches to Myocardial fibers to Purkinje fibers
A simple one!
A heartbeat, or cardiac cycle, is one sequence of contraction and relaxation of the heart chambers. The contraction phase is called _____________ , and the relaxation phase is called ___________
An average heartbeat, or cardiac cycle, lasts approximately:
a. 8.0 seconds
b. 80 seconds
c. 0.80 seconds
d.0.008 seconds
e. 60 seconds
Given these valves:
1. aortic semilunar valve
2. bicuspid (mitral) valve
3. pulmonary semilunar valve
4. tricuspid valve.
Arrange them in the order in which an erythrocyte would pass through them after returning to the heart from the left arm.
A) 1,2,3,4
B) 2,3,1,4
...
C) 3,1,2,4
D) 3,4,2,1
E) 4,3,2,1
If the SA node becomes damaged and nonfunctional, which of these is the most likely to occur?
A) The heart will stop.
B) The ventricles will contract, but the atria will stop.
C) Another part of the heart, possibly the AV node, will become the pacemaker.
D) The heart will beat faster.
E) The atria will keep contracting, but the ventricles will stop
The depolarization phase of the cardiac muscle action potential occurs when
A) voltage-gated Ca2+ ion channels open.
B) voltage-gated K+ ion channels open.
C) voltage-gated Na+ ion channels open.
D) both b and c
Which of these conditions occur in the cardiac muscle cell during the plateau phase?
A) voltage-gated Ca2+ ion channels are open
B) voltage-gated K+ ion channels are open
C) voltage-gated Na+ ion channels are closed
D) all of these
Which of these conditions occurs in the cardiac muscle cell during the final repolarization phase?
A) voltage-gated Ca2+ ion channels are open
B) voltage-gated K+ ion channels are open
C) voltage-gated Na+ ion channels are open
D) all of these
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