Head & Neck Week 6

1. The capillary network covers a small amount of tissue area.

2. Capillaries contribute arterial pressure, and are where oxygen and nutrients are exchanged for carbon dioxide and waste.

• first statement true, second false

• first statement false, second true

• both true

• both false

The aortic arch divides into 3 branches. Select them.

• brachiocephalic artery

• left common carotid artery

• right common carotid artery

• left subclavian artery

• right subclavian artery

The brachiocephalic artery bifurcates into:

• right subclavian artery

• left subclavian artery

• right common carotid artery

• external carotid artery

• internal carotid artery

The common carotid arteries bifurcate into:

• external carotid artery

• left subclavian artery

• internal carotid artery

• right subclavian artery

Primary blood supply to head and neck. These arteries are branchless.

• common carotid arteries

• subclavian arteries

• brachiocephalic artery

Predominately supplies upper extremities (arms), but also has some cranial supply.

• common carotid arteries

• subclavian arteries

• brachiocephalic artery