Unit 5

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Unit 5
2012-02-10 08:22:50

Nursing 111
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  1. What is conjunctiva?
    the bulbar conjunctiva covers the exposed surface of the eyeball up to the outer edge of the cornea
  2. What is sclera?
    Under the bulbar conjunctiva, has the color of white porcelain in whites and light yellow in dark-skinned clients. The whites of the eye which is fibrous and protective
  3. What are the lacrimal ducts?
    In the nasal corner or inner canthus of the eye, where tears flow to from the lacrimal gland
  4. What is ptosis?
    abnormal drooping of the lid over the pupil
  5. What are extra ocular movements?
    Involuntary, tythmical oscillation of the eyes
  6. What are the cardinal fields in the eye?
    • 1. Right and up right superior rectus and left inferior oblique
    • 2. right right lateral rectus and left medial rectus
    • 3. right and down right inferior rectus and left superior oblique
    • 4. left and up left superior rectus and right inferior oblique
    • 5. left left lateral rectus and right medial rectus
    • 6. left and down left inferior rectus and right superior oblique
  7. What is the snellen?
    Eye chart to measure visual acuity
  8. What does PERRLA stand for?
    Pupils equal, round, reactive to light and accomodation
  9. What is stribismus?
    Congenital condition in which both eyes do not focus on an object simultaneously and the eyes appear crossed. Impairment of the extraocular muschles or their nerve supply cause this
  10. What are lymph nodes?
    Collects lymph, organ of the immune system. Can warn you of infection. Inspect areas where nodes are distributed and compare both sides, inspect for edema, erythema or red streaks, also palpate
  11. What is nasal flaring?
    Intermittent outward movement of the nostrils with each inspiratory effort, indicates an increase in the work of breathing
  12. What are muscous membranes?
    The membrane lining passages and cavities communicating withthe air, consisting of a surface layer of epithelium, a basement membrane, and underlying layer of connective tissue
  13. What are sinuses?
    cavities in the skull that usually communicate with the nostrils and contains air
  14. What are the hard and soft palate?
    • Hard palate-roof of mouth, located anteriorly, dome shaped
    • Soft palate-extends posteriorly toward the pharynx, light pink and smooth
  15. What are the tonsils?
    A mass of lymphoid tissue in the muscous membrane of the pharynx and base of the tongue. The free surface of each tonsil is covered with stratified squamous epithelium that forms deep indentations or crypts, extended into the substance of the the tonsil
  16. What is the uvula?
    the free edge of the soft palate that hangs at the back of the throat above the root of the tongue, it is made of muscle, connective tissue and mucous membrane
  17. What is the buccal mucosa?
    The lining of the cheeks of the oral cavity, it is characterized by the stratified squamous non-keratinized epithelium that may become keratinized in local areas due to cheek biting, it may also contain ectopic sebaceous glands
  18. What is the tongue?
    Inspect on all sides as well as the floor of the mouth, note any deviation, remor, or limit in movement, this tests the hypoglossal nerve
  19. What is an otoscope?
    Equipment used for inspecting deeper structure of the external and middle ear
  20. What is the opthalmoscope?
    Advanced practie nurses use this to onspect the fundus, which includes the reina, choroid, optic nerve disc, macula, fovea centralis and retinal vessels
  21. What is hearing acuity?
    A hearing assessment using a tuning fork
  22. Waht is visual acuity?
    Visual assessment using the snelen chart
  23. Define photophobia?
    Intolerance to light. Painful sensitiveness to storng light. An abnormal fear of light
  24. What is nystagmus?
    An invountary, rhythmical oscillation of the eyes. Assessed by periodically stopping movement of the finger
  25. Define accommodation
    Pupils normally converge and accommodate by constricting when looking at close objects. Test:gaze at a distant object and then at a test object held close
  26. What is vertigo?
    A disordered state which is associated with various disorders of the inner ear. and in which the individual seem to whirl dizzily diorderd vertiginous movement as a symptom of disease
  27. What is epistaxis?
    Bleeding from the nose
  28. What is the thyroid gland?
    A large bi-lobed endocrine gland taht arises as a median ventral outgrowth of the pharynx, it lies inthe anerior base of the neck or anterior ventral part of the thorax and produces hormones
  29. What is cerumen?
  30. Describe the pharynx
    Part of the digestive and respiratory tracts situated between the cavity of the mought and esophagus. It is continues above with the mought and nasal passage, communicates through the eustachain tubes with the ears, and extends downward past the opening into the larynx to the lower border of the cricoid cartilage where it is continuous with the esophogus
  31. What is pinna?
    The largely cartilaginous projecting portion of the external ear
  32. What is the trachea?
    Tube that passes air to and from the lungs