Neck Flashcards
Carotid sinus Is a slight dilation of the proximal part of …
Internal carotid artery
Common carotid artery bifurcates at the level of…
The superior border of the thyroid cartilage (c4)
Carotid sinus is primarily innervated by …
By the glossopharyngeal cn9 ( carotid sinus nerve) and vagus nerve
The carotid sinus is a _____ that reacts to changes in arterial blood pressure .
Baroreceptor
Carotid body lies on the ____ side of the bifurcation of the c. Carotid artery
Medial /deep
The carotid body is a_____ that monitors the levels of oxygen and initiates a reflex that increases the rate and depth of resp, cardiac rate, and bp
Chemoreceptor
Carotid sheath contents
Common carotid artery, ijv, and vagus nerve
Right common carotid artery begins…
At the bifurcation of the brachiocephalic trunk
Left common carotid artery arises from
The arch of the aorta and ascends in the neck
Internal carotid arteries supply
Brain and structures in the orbits
External carotid arteries supply
Most structures external to the cranium
Terminal branches- maxillary and superficial temporal arteries
What’s the artery that supplies posterior tongue?
Lingual artery
The transverse cervical nerve supplies
The skin covering the anterior cervical region
Motor nerve of tongue ?
Hypoglossal nerve cn xii
Vertebral artery is a branch of ?
Subclavian artery
