NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Oxygen rich blood blood enters the left atrium from the lungs through the
A
aorta
B
vena cava
C
pulmonary artery
D
pulmonary veins
Explanation: 

Detailed explanation-1: -Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.

Detailed explanation-2: -Oxygen-rich blood travels from your lungs to your left atrium through large veins called pulmonary veins.

Detailed explanation-3: -The lung veins sometimes referred to as the pulmonary veins, are blood vessels that transfer freshly oxygenated blood from the lungs to the left atria of the heart.

Detailed explanation-4: -The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.

There is 1 question to complete.