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Human Heart and Circulatory System MCQs
MCQ# 1: _____ first delivers deoxygenated blood to the lungs so it can become oxygenated and then delivers oxygenated blood back to the heart
systemic circulation
pulmonary circulation
Both of these
None of these
pulmonary circulation
MCQ# 2: The human heart has _____ chambers
1
2
3
4
4
MCQ# 3: muscular chambers that squeeze blood out of the heart and into the blood vessels are called?
ventricles
atria
ostia
None of these
ventricles
MCQ# 4: _____ are muscular chambers that drain and then squeeze blood into the ventricles
pericardium
atria
ostia
None of these
atria
MCQ# 5: _____ separate one chamber of the heart from another
pericardium
atria
ostia
valves
valves
MCQ# 6: Each valve consists of a pair of strong flaps of muscle tissue, called?
ostia
leaflets
Ventricles
atria
leaflets
MCQ# 7: tricuspid valve has _____ flaps in its structure.
4
3
2
7
3
MCQ# 8: _____ separates the right ventricle from the pulmomary artery
aortic semilunar valve
left atrioventricular
right atrioventricular
pulmonary semilunar valve
pulmonary semilunar valve
MCQ# 9: _____ separates the left ventricle from the aorta.
aortic semilunar valve
left atrioventricular
right atrioventricular
pulmonary semilunar valve
aortic semilunar valve
MCQ# 10: bicuspid valve has _____ flaps in its structure
2
3
4
6
2
MCQ# 11: ischemia is a lack of _____
Calcium
magnesium
oxygen
iron
oxygen
MCQ# 12: If an artery is blocked by a plaque, blood cells can stick to the plaque, eventually forming a blood clot that can travel through the bloodstream and block blood vessels. This condition is called?
Atherosclerosis
Ischemic heart disease
Hypertension
Thromboembolism
Thromboembolism
Cardiac Cycle MCQs
MCQ# 13: Heart pumps _____ liters of blood throughout your body 70 times a minute
2
5
10
12
5
MCQ# 14: Heart pumps 5 liters of blood throughout your body _____ times a minute
200
100
47
70
70
MCQ# 15: The period of relaxation in the heart muscle is referred to as _____
diastole
Systole
Both of these
None of these
diastole
MCQ# 16: period of contraction in the heart muscle is called?
diastole
Systole
Both of these
None of these
Systole
MCQ# 17: normal value of blood pressure is?
120/80 mmHg
150/100 mmHg
100/60 mmHg
200/160 mmHg
120/80 mmHg
Blood Path Through Body MCQs
MCQ# 18: _____ describes the rhythmic contraction and relaxation of the heart muscle
Cardiac cycle
Digestive cycle
Lymphrtic cycle
None of these
Cardiac cycle
MCQ# 19: _____ brings blood to your lungs for oxygenation
Pulmonary circulation
Systemic circulation
Both of these
None of these
Pulmonary circulation
MCQ# 20: The _____ carries the blood that’s very low in oxygen to the lungs, where it becomes oxygenated.
Iliac artery
pulmonary artery
Vana cava
All of these
pulmonary artery
MCQ# 21: _____ brings oxygenated blood to the cells of your body
Pulmonary circulation
Systemic circulation
Both of these
None of these
Systemic circulation
MCQ# 22: Freshly oxygenated blood returns from the lungs to the heart via the _____
pulmonary veins
pulmonary arteries
Iliac veins
None of these
pulmonary veins
MCQ# 23: The _____ push the oxygenated blood into the left atrium
pulmonary veins
pulmonary arteries
Iliac veins
None of these
pulmonary veins
MCQ# 24: tiniest of blood vessels are?
Veins
Artries
Capillaries
None of these
Capillaries
MCQ# 25: Electrical impulses from your heart muscle cause your heart to beat. These impulses begin in special areas of tissue within the heart are called _____
nodes
Pins
Cystoles
diastoles
nodes
MCQ# 26: The _____ send out signals that stimulate contraction of the heart muscle cells, causing your heart to beat.
Veins
Artries
Capillaries
nodes
nodes
MCQ# 27: _____ is also called your natural pacemaker
AV node
SA node
ventricle
atrium
SA node
MCQ# 28: As the electrical impulse passes through the atria, it signals the _____ to take action
AV node
SA node
ventricle
valve
AV node
MCQ# 29: The signal in the _____ stimulates an area of tissue called the bundle of His
SA node
ventricle
valve
AV node
AV node
MCQ# 30: The bundle of His lies between the right and left ventricles and connects with specialized fibers called?
Ventricular fibres
Purkinje fibers
Atrioventricular fibre
All of these
Purkinje fibers
MCQ# 31: When the impulse reaches the _____ , it causes the ventricles to contract, completing the heartbeat
Ventricular fibres
Purkinje fibers
Atrioventricular fibre
All of these
Purkinje fibers
