NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Oxygen poor blood blood enters the right atrium from the body through the
A
aorta
B
vena cava
C
pulmonary artery
D
pulmonary vein
Explanation: 

Detailed explanation-1: -Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart. The oxygen-poor blood enters the right atrium (RA), or the right upper chamber of the heart.

Detailed explanation-2: -Right atrium: Receives blood returning to the heart from the superior and inferior vena cava; transmits blood to the right ventricle, which pumps blood to the lungs for oxygenation. 4.

Detailed explanation-3: -The vena cavae are the terminal parts of the extensive venous networks throughout the periphery returning deoxygenated blood to the heart. The inferior vena cava carries deoxygenated blood from the tissues below the diaphragm.

There is 1 question to complete.