#1
Which chamber of the heart receives deoxygenated blood from the body?
Left atrium
Right atrium
Left ventricle
Right ventricle
#2
Which blood vessel carries oxygenated blood from the lungs to the heart?
Pulmonary artery
Pulmonary vein
Aorta
Superior vena cava
#3
What is the term for the relaxation phase of the heart's pumping cycle?
Systole
Diastole
Cardiac cycle
Cardiac output
#4
What is the function of the pericardium in the heart?
Pump blood
Protect and surround the heart
Oxygenate blood
Regulate blood pressure
#5
What is the term for the volume of blood pumped by the heart per minute?
Cardiac output
Stroke volume
Heart rate
Pulse pressure
#6
What is the main function of the cardiovascular system?
Digestion
Respiration
Transportation of nutrients and oxygen
Filtering waste products
#7
Which blood vessels carry oxygenated blood away from the heart?
Arteries
Veins
Capillaries
Venules
#8
What is the average adult heart rate at rest?
60-80 beats per minute
100-120 beats per minute
40-60 beats per minute
120-140 beats per minute
#9
Which layer of the heart wall is responsible for pumping blood?
Epicardium
Myocardium
Endocardium
Pericardium
#10
Which major blood vessels supply blood to the brain?
Aorta
Carotid arteries
Pulmonary veins
Coronary arteries
#11
What is the name of the valve located between the left atrium and left ventricle?
Aortic valve
Tricuspid valve
Mitral valve
Pulmonary valve
#12
What is the medical term for the 'pacemaker' of the heart?
Aorta
SA node (Sinoatrial node)
AV node (Atrioventricular node)
Pulmonary artery
#13
What is the function of the coronary arteries?
Transport deoxygenated blood
Supply oxygen and nutrients to the heart muscle
Exchange gases with tissues
Filter impurities from blood
#14
Which heart chamber has the thickest muscular wall?
Left atrium
Right atrium
Left ventricle
Right ventricle
#15
Which hormone increases heart rate and blood pressure during the 'fight or flight' response?
Insulin
Cortisol
Adrenaline (Epinephrine)
Thyroxine