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Module 1-CMN 568 Exam|141 Questions with Verified Answers
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Module 1-CMN 568 Exam|141 Questions with VerifiedAnswers
Refractive error CORRECT ANS-most common cause of decrease in VA
hordeolum CORRECT ANS-- commonly d/t staph
- internal (meibomian gland)
- external (Zeis gland, STYE)
- tx: warm compress, incision if no improvement, abx ointment (baci or erythro) during acute
stage
chalazion CORRECT ANS-- infection or retention cyst of a meibomian gland, showing as a
beady nodule on the eyelid
- tx: warm compress; incision if no improvement in 2-3wk
blepharitis CORRECT ANS-inflammation of the glands and eyelash follicles along the
margin of the eyelids
- s/s: irritation, burning, itching
- posterior: meibomian gland, lad rolled inward (entropion), telangiectaias
- anterior - red rimmed, scales or colleretts
, Module 1-CMN 568 Exam|141 Questions with Verified
Answers
- tx: warm compress, baby shampoo scrubs, baci/erythro in acute stages
endotropion CORRECT ANS-- Inversion of the lid and lashed caused by muscle spasm of the
eyelid. Friction from lashes can caused corneal irritation.
- usually lower lid
- common with age increase
- sx if lashes cause irritation
- botox temporary fix
Ectotropion CORRECT ANS-outward turning of the eyelid
basal cell carcinoma CORRECT ANS-most common malignant tumor of eye lid
dacryocystitis CORRECT ANS-- inflammation, infection of lacrimal sac
- usually UL
- s/s: tearing, d/c, pain, erythema
, Module 1-CMN 568 Exam|141 Questions with Verified
Answers
- patho: strep, staph epi
- tx: acute w/ sys abx or sx to resolve obstruction; congenital usually resolves spont
Viral conjunctivitis CORRECT ANS-adenovirus; highly contagious**
swimming pools - epidemic keratoconjunctivitis
- lg pre-auricular lymph nodes (not present in bacterial)
*erythema, copious watery discharge
tx: supportive
- if d/t herpes then need antivirals (usually UL)
Bacterial conjunctivitis CORRECT ANS-- pink eye
- staph, strep, moraxella, psuedomaonas
- s/s: purulent d/c and matting, mild vision blurring
- usually self-limiting (10-14d)
, Module 1-CMN 568 Exam|141 Questions with Verified
Answers
Chlamydial conjunctivitis CORRECT ANS-Trachoma - Most common cause of blindness
worldwide due to chronic scarring.
Vernal Keratoconjunctivitis CORRECT ANS-- conjunctivitis in late childhood, early
adulthood
- seasonal
- cobblestone papillae, trantas dots (yellow-white points in limbus) and horner points (in
conjunctiva), long eyelashes, dennie lines
- corneal involvement in severe cases
- affects more men than women
Atopic Keratoconjunctivitis (AKC) CORRECT ANS--bilateral inflammation of conj and eyelids
- usually with atopic dermatitis (eczema) and erythema
- rarely seen before late teens
- ocular s/s worse and all year
- vision impairment d/t corneal damage
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