Main veins of the head and neck

This tutorial covers the main veins of the head and neck, including the internal jugular, subclavian, and brachiocephalic veins. It explains their functions, tributaries, and clinical significance, particularly focusing on the danger triangle of the face and potential infections. The tutorial concludes with a summary of the key points discussed.

What is the primary function of veins in the body?

• To regulate body temperature

• To transport nutrients to the cells

• To drain deoxygenated blood from the body back to the heart

• To carry oxygenated blood from the heart to the body

Which vein is known as the main 'brain drain'?

• Subclavian vein

• Internal jugular vein

• External jugular vein

• Brachiocephalic vein

What is the role of the sigmoid sinus?

• It supplies oxygenated blood to the brain

• It regulates blood pressure in the brain

• It drains the upper limb

• It collects and drains venous blood from the brain

Where does the subclavian vein begin?

• At the base of the skull

• At the lateral edge of the first rib

• At the sternal end of the clavicle

• At the jugular foramen

Which vein drains the superficial structures of the head, including the scalp and face?

• External jugular vein

• Internal jugular vein

• Subclavian vein

• Brachiocephalic vein

What forms the brachiocephalic vein?

• The union of the internal jugular vein and the subclavian vein

• The union of the external jugular vein and the subclavian vein

• The union of the anterior jugular vein and the external jugular vein

• The union of the vertebral vein and the internal thoracic vein

Which vein travels along the vertebral column?

• Vertebral vein

• External jugular vein

• Subclavian vein

• Internal jugular vein

What is the clinical significance of the danger triangle of the face?

• It is a common site for cosmetic surgery

• It is a common site for facial injuries

• Infections here can spread to the cavernous sinus

• It is a region with high blood pressure

What condition can result from an infection spreading to the cavernous sinus?

• Thrombosis of the cavernous sinus

• Aneurysm

• Stroke

• Hypertension

Which cranial nerve damage can lead to internal strabismus?

• Cranial nerve VI

• Cranial nerve III

• Cranial nerve V

• Cranial nerve IV