L. 5

What is the largest artery in the body?

• Brachiocephalic artery

• Coronary artery

• Aorta

• Subclavian artery

Which artery branches to the thyroid gland and scapular muscles?

• Vertebral artery

• Thyrocervical trunk

• External carotid artery

• Axillary artery

Which vein branches from the subclavian vein and is part of the azygos system?

• Cephalic vein

• Axillary vein

• Jugular vein

• Brachiocephalic vein

What is the function of the pulmonary veins in the circulatory system?

• Carry deoxygenated blood to the lungs

• Carry oxygenated blood to the left atrium

• Carry oxygenated blood to the right atrium

• Carry deoxygenated blood to the right atrium

Which arteries contribute to the formation of the Circle of Willis?

• Anterior and posterior communicating arteries

• Subclavian and basilar arteries

• Temporal and occipital arteries

• Carotid and optic arteries

What does the internal carotid artery supply?

• The cerebellum

• Most of the cerebrum

• The spinal cord

• The optic nerve

What is the function of the vertebral arteries?

• Supply the optic nerve

• Supply the pons, cerebellum, and inner ear

• Supply the spinal cord

• Supply the frontal lobe

What is the significance of the optic chiasm?

• It connects the cerebellum to the brainstem

• It is where the optic nerves cross

• It supplies blood to the occipital lobe

• It is a part of the spinal cord