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NUR 212 Health Assessment - Heent

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This is a comprehensive and detailed note on; Head,eyes,ear, nose and throat for Nur 212. *Essential Study Material!!

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  • October 19, 2024
  • 7
  • 2022/2023
  • Class notes
  • Prof. michelle
  • All classes
  • head
  • eyes
  • ear
  • throat
  • nose
  • fall
  • summer
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Head, Eyes, Ears, Nose, and Throat – Quiz 5

 Several separate systems
 Evaluated simultaneously
 Collectively referred to as HEENT (head, eyes, ears, nose, throat)
o Includes face and regional lymphatics
 The Head and Face
o Head
 Skull – rigid, bony box that protects the brain
 It includes bones of the cranium (frontal, parietal, occipital, and
temporal)
o Supported by cervical vertebrae from C1-C7
 14 facial bones
 Facial muscles
o Mediated by cranial nerve VII (facial)
o Sensory branches of cranial nerve V (trigeminal)
o Muscles are generally symmetric
 Salivary Glands
o Parotid, submandibular and sublingual
 Temporal artery
o Located bilaterally along the temporal bones
 Neck
o Starts at base of skull and inferior border of mandible to clavicle and first thoracic
vertebra
 It is a conduit of passage for many structures
o Thyroid
 Endocrine gland, highly vascular, synthesizes and secretes T4 and T3 (stimulate
the rate of cellular metabolism
 Located just below thyroid and cricoid cartilage
o Trachea
 Part of the respiratory system that transports gases to lung parenchyma
o Regional lymph nodes
 60-70
 Detect and eliminate foreign substances from the body
o Muscles and other connective tissue
 Sternomastoid and trapezius
 Neck Anatomy: Lymph nodes
o Posterior auricular
o Occipital
o Jugulodigastric
o Superficial cervical
o Posterior cervical
o Supraclavicular
o Preauricular
o Submandibular
o Submental
o Deep cervical chain

,  Neck Anatomy: Thyroid gland
o Goiter – large thyroid gland
 The Eyes: External Anatomy
o 1 inch in diameter
o Sensory organ that caries visual data necessary for survival
o Well protected by bony orbital cavity, fat cushion and eyelids
 Palpebral space – elliptical open space between eyelids
 Limbus – border between cornea and sclera
 Canthus – corners of eye, medial and lateral
 Caruncle – fleshy mass at medial canthus – sebaceous gland
 Tarsal plates in upper lid – connective tissue that gives it shape
 Meibomian glands – sebaceous glands that secrete oily lubricant
 Conjunctiva – transparent protective covering of the exposed part of the eye,
thin envelope mucous membrane
 Lacrimal apparatus – constant irrigation of the eye, gland in upper outer corner
of the eye secretes tears that wash across the eye and are drained into the
puncta
 External Eye Anatomy

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