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25 Cards in this Set
- Front
- Back
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What are the 4 major arteries of the neck?
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2 common carotids
2 subclavian arteries |
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Where do the 4 major vessels fo the neck arise from?
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Root of neck
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Where do the carotid arteries arise from?
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Carotid sheath in the anterior triangle of the neck
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Where does the common carotid artery bifurcate?
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superior border of the thryroid cartilage = C3/C4
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Location of Internal Carotid Artery
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Most lateral in the neck, no branches in the neck
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Location of External carotid artery
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Most medial in neck, 8 branches
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What are the 2 sets of receptors of the Carotid arteries?
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- Carotid bodies (chemoreceptors)
- Carotid sinus (baroreceptors) |
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Location of carotic bodies
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at the bifurcation of the common carotid
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Location of carotid sinus
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at beginning of internal carotid artery
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What is the origin of the Right carotid artery?
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branches from brachiocephalic trunk
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What is the origin of the Left Carotid arter?
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branches from aortic arch
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What is the course of the common carotid artery?
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- lies within carotid sheath
*can be compressed against anterior tubercle of C6 (carotid tubercle) |
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Where is the termination of the Common Carotid Artery?
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bifurcates at superior border of thyroid cartilage (C3-C4)
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What does the common carotid artery contain?
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- carotid bodies
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What is the innervation of the carotid bodies?
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CN IX = glossopharyngeal nerve
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What is the origin of the internal carotid artery?
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arises from common carotid artery
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What is the course of the internal carotid artery?
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cervical part ascends anterior to C3 to C1
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Where is the termination of the internal carotid artery?
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enters cranial cavity through carotid canal in petrous part of temporal bone
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What does the internal carotid artery supply?
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1) Brain
2) Orbit |
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What does the internal carotid artery contain?
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Carotid sinus at its origin
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What innervates the internal carotid artery?
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CN IX = glossopharyngeal nerve
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What are the 8 branches of the external carotid artery?
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"Steve And Lisa Found Orgy Party Most Successful"
Superior thyroid Ascending pharyngeal Lingual Facial Occipital Posterior auricular Maxillary Superficial temporal |
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Superior thyroid artery
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1st branch of external carotid, runs down to thyroid gland.
Gives rise to superior laryngeal artery for the larynx. |
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Ascending Pharyngeal Artery
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Smallest branch of external carotid artery.
Supplies pharynx, prevertebral muscles, and meninges. |
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Lingual Artery
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Arises from external carotid just superior to lingual artery.
Runs along inner surface of mandible and enters face anterior to masseter muscle. |
