Gross Quiz 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Infrahyoid muscles | sternohyoid, sternothyoid, omohyoid
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| Sternohyoid origin | within the thorax behind the manubrium
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| Sternohyoid insertion | hyoid bone
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| sternohyoid innervation | ansa vervicalis (C1, 2, 3)
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| Sternothyroid origins | manubrium
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| Sternothyroid insertion | thyroid cartilage
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| Thyrohyoid origin | thyroid cartilage
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| Thyrohyoid insertion | hyoid bone
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| Sternothyroid innervation | ansa cervicalis
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| Thyrohyoid innervation | hypoglossal nerve
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| Omohyoid origin | near the suprascapular notch
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| Omohyoid insertion | hyoid bone
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| Two bellies of the omohyoid | inferior belly, and superior belly
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| Omohyoid innervation | ansa cervicalis
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| Suprahyoid muscles | Digastric, stylohyoid, mylohyoid, geniohyoid
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| Origin of posterior belly of the digastric muscle. | Mastoid bone
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| Innervation of posterior belly of the digastric muscle. | nerve to the mylohyoid off the inferior alveolar nerve.
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| insertion of the anterior belly of the digastric muscle | the internal surface of the mandible
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| innervation of the anterior belly of the digastric muscle | nerve to the mylohyoid off the inferior alveolar nerve
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| Action of the digastric muscle | Raise the hyoid bone and assist in opening the jaws
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| Origin of stylohyoid muscle | styloid process
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| insertion of the stylohyoid muscle | body of the hyoid bone
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| Action of the stylohyoid muscle | draws the hyoid bone posteriorly and superiorly
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| Innervation of the stylohyoid muscle | Branch of the facial nerve (CN VII)
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| Forms the floor of the mouth | Mylohyoid muscle
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| Mylohyoid origin | mylohyoid line of the mandible
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| Insertion of mylohyoid | the hyoid bone
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| innervation of mylohyoid bone | nerve to the mylohyoid (CN V)
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| Insertion of geniohyoid muscle | the hyoid bone
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| Action of the geniohyoid muscle | draws the hyoid bone and tongue forward
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| innervation of the geniohyoid muscle | branch of C1 via the hypoglossal nerve
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| Base of the anterior triangle | Lower margin of the mandible
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| Anterior border of anterior triangle | midline of the neck
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| Posterior border of the anterior triangle | SCM
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| Divisions of the anterior triangle | Digastric or submandibular triangle, carotid triangle, muscular triangle, submental triangle.
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| Boundaries of the digastric triangle | two bellies of the digastric muscle, lower border of the mandible.
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| Boundaries of the carotid triangle | posterior belly of the digastric muscle, superior belly of the omohyoid muscle, anterior margin of the SCM.
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| Location of submandibular gland | submadibular triangle
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| Submandibular duct (Wharton's duct) | opens under the toungue through an opening of a small papilla, the sublingual caruncle.
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| Facial Artery | Branch of external carodtid artery, arises in the carotid triangle.
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| lingual artery | passes deep to the hyoglossus muscle
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| lingual nerve | passes betwee the mylohyoid and hyoglossus muscles.
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| muscles to which the mylohyoid nerve sends branches to | mylohyoid and anterior belly of digastric muscle.
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| Location of common carotid artery | In carotid sheath
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| Structures that run in carotid sheath | common carotid artery, internal jugular vein, and vagus nerve (CN X)
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| Location where common carotid artery splits into internal and external carotid arteries. | the level of the upper border of the thyroid cartilage.
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| function of the carotid sinus | sense blood pressure via glossopharyngeal nerve
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| function of carotid body | has chemoreceptors for oxygen leves in blood, and transmitts this information to the medulla via the glossopharyngeal and vagus nerve.
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| Branches of the superior thyroid artery | superior laryngeal artery, lingual artery, facial artery, ascending pharyngeal artery, occipital artery, posterior auricular artery.
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| veins of the upper neck | posterior auricular vein, retromandibular vein, facial vein, external jugular vein, internal jugular vein
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| Lymphs in the head and neck | Facial nodes, submental, submandibular occipital
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| Cranial nerve V | Trigeminal
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| Cranial nerve VII | facial nerve
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| Cranial nerve IX | Glossopharyngeal nerve
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| Cranial Nerve X | Vagus nerve
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| Cranial nerve XI | Accessory nerve
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| Cranial nerve XII | Hypoglossal nerve
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| Shape of thyroid gland | Like an "H"
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| 3 parts of the thyroid gland | Two lateral lobes, isthmus and pyramidal lobe
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| Blood supply to thyroid gland | Superior thyroid arter, inferiot thyroid artery
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| Parathyroid glands | two superior and inferior on the dorsal side of the thyroid gland
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Created by:
eane220
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