#1
Which artery supplies blood to the brain?
Carotid artery
ExplanationSupplies oxygenated blood to the brain.
#2
Which of the following veins drains blood from the lower body to the heart?
Inferior vena cava
ExplanationReturns deoxygenated blood from the lower body to the heart.
#3
What is the main function of arteries in the cardiovascular system?
To carry blood away from the heart
ExplanationTransport oxygenated blood from the heart to the body tissues.
#4
What is the purpose of valves in veins?
To prevent backflow of blood
ExplanationEnsure one-way flow of blood towards the heart.
#5
What is the primary function of veins in the cardiovascular system?
To carry blood towards the heart
ExplanationTransport deoxygenated blood back to the heart.
#6
What is the largest artery in the human body?
Aorta
ExplanationMain artery distributing oxygenated blood to the body.
#7
Which artery supplies oxygenated blood to the heart muscle itself?
Coronary artery
ExplanationProvides blood to the heart muscles for its own oxygenation needs.
#8
Which artery carries deoxygenated blood from the heart to the lungs?
Pulmonary artery
ExplanationCarries deoxygenated blood from the heart to the lungs for oxygenation.
#9
Which of the following veins carries oxygenated blood?
Pulmonary vein
ExplanationReturns oxygenated blood from the lungs to the heart.
#10
Which artery supplies blood to the muscles of the thigh?
Femoral artery
ExplanationSupplies oxygenated blood to the muscles of the thigh.
#11
Which vein is responsible for draining blood from the head and neck region?
Jugular vein
ExplanationReturns blood from the head and neck to the heart.