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Unit 5

QuestionAnswer
Veins have valves in the head and neck False
The common carotid artery divide into the superior and inferior carotid branches False
The internal jugular vein drains the brain as well as most of the other tissues of the head and neck, whereas the external jugular vein drains only a smaller portion of the extracranial tissues True
Generally speaking, arteries are larger in diameter than veins False
What are 2 major arteries that supply the head and neck? External & internal carotid artery subclavian
The internal jugular vein descends into the neck to merge with the... Subclavian vein
The _______ artery has no branches in the neck, only in the head. Internal carotid
What vessel drains the majority of the head and neck? Internal jugular
Within the vascular system, a large network of blood vessels is a... Plexus
Within the vascular system, what is a clot that forms on the inner vessel wall? Thrombus
When a blood vessel is seriously traumatized, large amounts of blood can escape into surrounding tissue without clotting, causing a... hemorrhage
Which of the following vascular lesions may result when a clot on the inner blood vessel wall becomes dislodged and travels in the vessels? Embolus
Which of the following vascular lesions results in a small amount of blood escaping into the surrounding tissue and clotting? Hematoma
The left subclavian artery branches off of which major vessel? The aorta
The major artery that supplies the brain is... Common carotid
The external carotid artery supplies what? Extracranial tissue to the head and neck
2 posterior branches of external carotid artery: Occipital artery & posterior auricular
The common carotid artery splits into its two main branches directly below the... Larynx
The ___________ artery supplies blood to the skin and muscles of facial expression. Facial
The ______ artery supplies blood to the maxillary molars. Posterior superior areolar
The Facial Vein is responsible for draining most of the face. It feeds most of the blood it collects into which of the following veins? Internal jugular
Before initiating CPR you are supposed to check for a pulse in the neck. What artery is generally the one that this pulse is felt at? Common carotid
The venous sinus most important to the dental professional is the _____________. Cavernous
The ____________ artery has a branch that supplies the maxillary teeth and the premolars. Infraorbital
Which of the following arteries supply the mucous membranes and glands of the hard and soft palates? ---
Venous sinus of the vascular system is a _________________? Blood fluid space between 2 layers of tissue
Which of the following structures are smaller vessels that branch off an arteriole to supply blood directly to tissue? Capillaries
The carotid pulse can be palpated at the level of the________________. Thyroid cartilage
The tongue is supplied mainly by a branch from the ________________. External carotid artery
Which of the following can sometimes be visible under the skin of the temporal region? Superficial temporal
The brachiocephalic veins unite to form the _________________. Superior vena cava
Created by: id184871
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