Blood Vessels, Nerves, and Viscera Of The Neck Flashcards
The ______ common carotid artery originates from the brachiocephalic trunk, posterior to the the sternoclavicular joint.
The ________ common carotid artery originates from the aortic arch in the superior mediastinum.
Right
Left
The ______ _______ is located at the terminal part of the common carotid artery and/or beginning of the internal carotid artery and shows a localized dilation.
Its wall contains numerous nerve endings, mainly derived from the ____________ nerve, which are sensitive to changes in ____ ______.
Carotid Sinus
Glossopharyngeal
Blood pressure
The _____ _______ has a highly vascular epithelial structure located at the carotid bifurcation.
It contains special nerve endings, mainly derived from the glossopharyngeal nerve, which respond to chemical changes in blood composition (________).
Carotid body
Chemoreceptors
Carotid _____ and ______ are important in reflex control of heart rate, blood pressure, and respiratory rate and depth.
Sinus
Body
This artery is the smallest branch of the external carotid artery.
Ascending Pharyngeal Artery
This structure collects most venous blood from the head and neck and it’s upper and lower ends are dilated (superior and inferior bulbs)
Internal Jugular Vein
The subclavian artery is divided into 3 parts by the ______ ______ muscle.
Scalenus anterior muscle
This part of the Sympathetic Trunk receives no white communicating rami….
Cervical part
The ______ cervical ganglion is the largest cervical ganglion.
Superior
The ______ cervical ganglion is the smallest and most variable of the cervical ganglia.
Middle
The thyroid gland secretes ________(T4) and __________(T3) which stimulates metabolic rate.
It also secretes _______, which lowers blood calcium levels.
Thyroxine
Triiodothyronine
Calcitonin
10% of the population has a _________ artery which branches off the brachiocephalic trunk and travels up onto the bottom portion of the thyroid gland.
Thyroid ima artery
