This episode will consider the fascial layers of the neck as well as some of the important nerves in this region. Once you have watched this video, why not attempt the multiple choice quiz to consolidate your knowledge?<\/p>\n","protected":false},"excerpt":{"rendered":"
This episode will consider the fascial layers of the neck as well as some of the important nerves in this region. Once you have watched this video, why not attempt the multiple choice quiz to consolidate your knowledge?<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-648","post","type-post","status-publish","format-standard","hentry","category-innovative-anatomy","entry"],"youtubeVideo":"435667688\/a2c2074e2e","question1":"How many fascia layers are there in the neck?","answers1":"1 | 2 | 3 | 4","correctAnswer1":"3","correctAnswerText1":"Cervical fascia is split into deep and superficial. The deep layer contains three different fascia layers: investing layer of the deep cervical fascia, pretracheal layer and prevertebral layer of the deep cervical fascia.","question2":"The sternocleidomastoid muscle in contained within the cervical fascia itself.","answers2":"True | False","correctAnswer2":"1","correctAnswerText2":"The platysma is within the fascia itself while the SCM is within the investing of deep cervical fascia.","question3":"The pretracheal fascial layer blends inferiorly with the pericardium covering the heart.","answers3":"True | False","correctAnswerText3":"The peritracheal fascia ultimately blend with the fibrous pericardium. Infection can potentially tract inferiorly along this plane to infect the pericardium.","correctAnswer3":"0","question4":"Which of these are not within the prevertebral layer?","answers4":"Middle scalene | Omohyoid | Longus colli muscle | Anterior scalene","correctAnswer4":"1","correctAnswerText4":"The prevertebral muscles are the logus capitis, longus colli, rectus capitis anterior and the rectus capitis lateralis. The omohyoid is within the investing deep layer of the cervical fascia.","question5":"Which layer is it worse to have an infection in pre tracheal layer or investing fasica?","answers5":"Pre tracheal | Pre vertebral | Deep cervical","correctAnswer5":"0","correctAnswerText5":"Infection here can continue to spread into the mediastinum, whereas infections between the investing layer and the hyoid muscles will generally stop at the superior edge of the manubrium.","question6":"Which structure is not within the carotid sheath?","answers6":"Common & internal carotid arteries | Internal jugular vein | CN IX | Deep cervical lymph nodes","correctAnswer6":"2","correctAnswerText6":"There are 4 main structures contained within the carotid sheath the common carotid artery and the internal carotid artery medially, the internal jugular vein laterally the vagus nerve (CNX) posteriorly and the deep cervical lymph nodes.","question7":"Which of these is not a function of the fascial layers of the neck?","answers7":"Deflect low velocity penetrating trauma (knives and low velocity bullets) | Contain infection | Movement of structures over one another | Maintain of a positive pressure within the neck","correctAnswer7":"3","correctAnswerText7":"The fascia doesn\u2019t only support internal structures but they help compartmentalise structures of the neck. This may impede venous return to the heart and potentially obstruct the airway and blood flow if the pressure was raised significantly, e.g. expanding haematoma.","question8":"The prevertebral layers extends from the base of the neck to C7.","answers8":"True | False","correctAnswer8":"1","correctAnswerText8":"The prevertebral fascia is fixed above to the base of the skull, and below it extends behind the oesophagus into the posterior mediastinal cavity of the thorax. It extends from the base of the neck to T3.","question9":"The deep investing layer does not have any boney attaches and is only to soft tissue.","answers9":"True | False","correctAnswer9":"1","correctAnswerText9":"The inferior aspect of the fascia is attached to the thoracic outlet (acromion, clavicle, and manubrium). It attaches to mastoid, hyoid bone and spinous process of the cervical vertebrae.","question10":"T5 deep investing layer of the cervical fascia contains the scalene muscles.","answers10":"True | False","correctAnswer10":"1","correctAnswerText10":"The deep fascia is often divided into the superficial, middle and deep. The superficial layer envelopes the trapezius, sternoceleidomastoid and the muscles of facial expression, the middle layer envelopes the strap muscles and the deep later surrounds the paraspinous muscle. 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