- What are the three layers of an artery and vein, respectively?
(a) Endothelium, smooth muscle, fibrous connective tissue; Tunica media, tunica externa, tunica intima
(b) Tunica intima, tunica media, tunica externa; Squamous endothelium, smooth muscle, fibrous connective tissue
(c) Tunica externa, squamous endothelium, tunica media; Tunica intima, smooth muscle, fibrous connective tissue
(d) Fibrous connective tissue, tunica externa, tunica media; Squamous endothelium, tunica intima, smooth muscle - Which chamber of the heart pumps deoxygenated blood into the pulmonary artery?
(a) Right atrium
(b) Left atrium
(c) Right ventricle
(d) Left ventricle - Where does the deoxygenated blood pumped by the right ventricle go?
(a) Pulmonary vein
(b) Pulmonary artery
(c) Aorta
(d) Vena cava - Which pathway constitutes pulmonary circulation?
(a) Blood from aorta to tissues
(b) Blood from pulmonary artery to lungs
(c) Blood from pulmonary vein to left atrium
(d) Blood from vena cava to right atrium - What is the function of systemic circulation?
(a) Transport oxygenated blood to the tissues
(b) Transport deoxygenated blood to the lungs
(c) Transport oxygenated blood to the heart
(d) Transport deoxygenated blood to the tissues - Which vascular connection exists between the digestive tract and liver?
(a) Systemic circulation
(b) Hepatic portal system
(c) Pulmonary circulation
(d) Coronary system - What is the function of the hepatic portal vein?
(a) Carries blood from the lungs to the heart
(b) Carries blood from the heart to the digestive tract
(c) Carries blood from the digestive tract to the liver
(d) Carries blood from the liver to the tissues - Which blood vessels collect deoxygenated blood from the tissues?
(a) Arteries
(b) Veins
(c) Capillaries
(d) Venules - What is the function of the coronary system?
(a) Transport blood to and from the liver
(b) Transport blood to and from the lungs
(c) Transport blood to and from the cardiac musculature
(d) Transport blood to and from the digestive tract - Which chamber of the heart receives oxygenated blood from the pulmonary veins?
(a) Right atrium
(b) Left atrium
(c) Right ventricle
(d) Left ventricle - In which layer of the artery and vein is the tunica media comparatively thin?
(a) Tunica intima
(b) Tunica media
(c) Tunica externa
(d) Squamous endothelium - What is the primary function of the tunica media?
(a) Provide a smooth surface for blood flow
(b) Regulate blood pressure
(c) Facilitate exchange of nutrients and waste products
(d) Contraction and relaxation to control blood flow - Which blood vessel carries oxygenated blood from the heart to the tissues?
(a) Pulmonary artery
(b) Pulmonary vein
(c) Aorta
(d) Vena cava - What is the function of the vena cava?
(a) Carry oxygenated blood from the lungs to the heart
(b) Carry deoxygenated blood from the tissues to the heart
(c) Carry oxygenated blood from the heart to the tissues
(d) Carry deoxygenated blood from the heart to the lungs - Which blood vessel carries blood from the intestine to the liver before it is delivered to the systemic circulation?
(a) Hepatic portal vein
(b) Pulmonary artery
(c) Aorta
(d) Coronary artery - What is the primary function of systemic circulation?
(a) Transport oxygenated blood to the heart
(b) Transport deoxygenated blood to the lungs
(c) Transport oxygenated blood to the tissues
(d) Transport deoxygenated blood to the heart - What is the role of the hepatic portal system?
(a) Transport blood from the lungs to the heart
(b) Transport blood from the heart to the digestive tract
(c) Transport blood from the digestive tract to the liver
(d) Transport blood from the liver to the tissues - Which blood vessels carry blood from the tissues back to the heart?
(a) Arteries
(b) Veins
(c) Capillaries
(d) Venules - What is the primary function of the coronary system of blood vessels?
(a) Transport blood to and from the liver
(b) Transport blood to and from the lungs
(c) Transport blood to and from the cardiac musculature
(d) Transport blood to and from the digestive tract - Which chamber of the heart pumps oxygenated blood into the aorta?
(a) Right atrium
(b) Left atrium
(c) Right ventricle
(d) Left ventricle
MCQs on DOUBLE CIRCULATION (FOR NEET UG 2024)
