1
PRINCIPLES OF SYSTEMS MIDTERM EXAM ACTUAL
QUESTIONS AND CORRECT ANSWERS ALREADY
GRADED A+ LATEST UPDATES GUARANTEED
SUCCESS
What side of the heart pumps to the pulmonary circuit?
Right side
What type of circulation does the pulmonary circuit have
short, low pressure circulation
What are the Semilunar (SL) valves?
Aortic valve
Pulmonary valve
Where do the coronary arteries arise from?
The aorta
What does the pulmonary circuit do?
Carry blood to and from the lungs
What side of the heart pumps to the systemic circuit?
Left side
What does the systemic circuit do?
Carries blood to all body tissues
What type of circulation does the systemic circuit have
Long, high pressure circulation
, 2
Right Ventricle
What structure is "A"
Right Ventricular Myocardium
What structure is "B"
Left Ventricle
What structure is "C"
Left Ventricular Myocardium
What structure is "D"
Function of heart valves
Prevent backflow and ensure unidirectional blood flow through heart
What are the Atrioventricular (AV) valves?
Tricuspid valve (right)
Mitral valve (left, bicuspid)
Function of Chordae tendinea
Anchor cusps to papillary muscles of myocardium
Function of cardiac veins
Drain into coronary sinus
Coronary sinus drains into right atrium
Embolism
Blockage in arteries (usually blood clot)
heart attack
Coronary artery blockage (atherosclerosis)
Aneurism
Bulging of blood vessel
Peripheral artery disease (Pad)
, 3
Atherosclerosis in peripheral blood vessels
What is atherosclerosis
Prevalent condition of chronic inflammation. Thickening of artery walls by
atherosclerotic plaques
What does progressed disease result in
Myocardial infarction
Symptoms and influences of atherosclerosis
Asymptomatic
Influenced by genetic and environmental factors
What are atherosclerotic plaques
Accumulation of lipids and macrophages
- restrict tissue perfusion
What happens if an atherosclerotic plaque bursts?
Triggers a blood clot
Blocks flow completely
What is the cardiac cycle?
The mechanical events from the beginning of one heartbeat to the next
How does the cardiac cycle begin?
With spontaneous generation of an action potential in the sinus node that is
propagated through the heart via the conducting system
In the cardiac cycle what contracts first
The atria , which functions as primer pumps for the ventricles
Cardiac cycle - Diastole
The period of relaxation where the heart fills with blood
Cardiac cycle - Systole
The period of contraction of the heart
PRINCIPLES OF SYSTEMS MIDTERM EXAM ACTUAL
QUESTIONS AND CORRECT ANSWERS ALREADY
GRADED A+ LATEST UPDATES GUARANTEED
SUCCESS
What side of the heart pumps to the pulmonary circuit?
Right side
What type of circulation does the pulmonary circuit have
short, low pressure circulation
What are the Semilunar (SL) valves?
Aortic valve
Pulmonary valve
Where do the coronary arteries arise from?
The aorta
What does the pulmonary circuit do?
Carry blood to and from the lungs
What side of the heart pumps to the systemic circuit?
Left side
What does the systemic circuit do?
Carries blood to all body tissues
What type of circulation does the systemic circuit have
Long, high pressure circulation
, 2
Right Ventricle
What structure is "A"
Right Ventricular Myocardium
What structure is "B"
Left Ventricle
What structure is "C"
Left Ventricular Myocardium
What structure is "D"
Function of heart valves
Prevent backflow and ensure unidirectional blood flow through heart
What are the Atrioventricular (AV) valves?
Tricuspid valve (right)
Mitral valve (left, bicuspid)
Function of Chordae tendinea
Anchor cusps to papillary muscles of myocardium
Function of cardiac veins
Drain into coronary sinus
Coronary sinus drains into right atrium
Embolism
Blockage in arteries (usually blood clot)
heart attack
Coronary artery blockage (atherosclerosis)
Aneurism
Bulging of blood vessel
Peripheral artery disease (Pad)
, 3
Atherosclerosis in peripheral blood vessels
What is atherosclerosis
Prevalent condition of chronic inflammation. Thickening of artery walls by
atherosclerotic plaques
What does progressed disease result in
Myocardial infarction
Symptoms and influences of atherosclerosis
Asymptomatic
Influenced by genetic and environmental factors
What are atherosclerotic plaques
Accumulation of lipids and macrophages
- restrict tissue perfusion
What happens if an atherosclerotic plaque bursts?
Triggers a blood clot
Blocks flow completely
What is the cardiac cycle?
The mechanical events from the beginning of one heartbeat to the next
How does the cardiac cycle begin?
With spontaneous generation of an action potential in the sinus node that is
propagated through the heart via the conducting system
In the cardiac cycle what contracts first
The atria , which functions as primer pumps for the ventricles
Cardiac cycle - Diastole
The period of relaxation where the heart fills with blood
Cardiac cycle - Systole
The period of contraction of the heart
