Arteries And Veins Of The Thorax

1. The pulmonary arteries carry oxygenated blood

True

False

They carry deoxygenated blood from the right ventricle

Explanation

They carry deoxygenated blood from the right ventricle

2. The descending aorta is a continuation of which vessel?

Ascending aorta

Arch of the aorta

Right subclavian artery

The descending aorta is a continuation of the arch of the aorta. After the ascending aorta and the arch of the aorta, the descending aorta begins and continues downward, supplying oxygenated blood to the rest of the body. The right subclavian artery is a branch of the aorta, but it does not directly connect to the descending aorta.

Explanation

The descending aorta is a continuation of the arch of the aorta. After the ascending aorta and the arch of the aorta, the descending aorta begins and continues downward, supplying oxygenated blood to the rest of the body. The right subclavian artery is a branch of the aorta, but it does not directly connect to the descending aorta.

3. From which artery does the internal thoracic artery originate?

Subclavian artery

Axillary artery

Descending aorta

The internal thoracic artery originates from the subclavian artery.

Explanation

The internal thoracic artery originates from the subclavian artery.

4. The intercostal veins lie more superiorly than the intercostal arteries and nerves in the intercostal space

True

False

Remember VAN ( Superior to Inferior)

Explanation

Remember VAN ( Superior to Inferior)

5. The cephalic vein originates in the median cubital fossa

True

False

It joins this, but originates in the dorsal venous network of the hand

Explanation

It joins this, but originates in the dorsal venous network of the hand

6. In a typical case, how many pulmonary veins travel to each lung?

1

2

3

4

In a typical case, there are two pulmonary veins that travel to each lung. The pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the heart. Each lung receives blood from two pulmonary veins, one from the superior lobe and one from the inferior lobe. This allows for efficient oxygenation of the blood and transportation of oxygen to the rest of the body.

Explanation

In a typical case, there are two pulmonary veins that travel to each lung. The pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the heart. Each lung receives blood from two pulmonary veins, one from the superior lobe and one from the inferior lobe. This allows for efficient oxygenation of the blood and transportation of oxygen to the rest of the body.