CMN 568 Unit 1-3 questions with 100% correct answers with all complete tests/over 100 Q&As
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Course
CMN 568
Institution
CMN 568
CMN 568 Unit 1-3 questions with 100% correct answers with all complete tests/over 100 Q&As-CMN 568 Unit 1-3 questions with 100% correct answers with all complete tests/over 100 Q&As-CMN 568 Unit 1-3 questions with 100% correct answers with all complete tests/over 100 Q&As
CMN 568 Unit 1-3 questions with 100%
correct answers with all complete
tests/over 100 Q&As
CMN 568- Unit 1
diabetes - correct answer Patients with _____ must undergo at least an annual
examination for retinopathy, even if they have no vision problems.
Newborn - correct answer Visual Acuity:
- able to BRIEFLY visually track mother's face or brightly colored object within an
hour after birth (fixation reflex not developed for several weeks, so fixation is
brief)
fix and follow of object. - correct answer Visual Acuity:
Don't talk to baby when assessing vision - he may look toward sound rather than
visual stimulus.
Look for __________
refer immediately - correct answer - With any eye condition (infection, injury,
etc.), check visual acuity to best extent possible based on age
,- foreign body or chemical injury is exception - IRRIGATE eye profusely first and
worry about acuity later
-When there is decreased acuity -->____________
20/200 to 20/400 - correct answer Vision is only about ________ in the newborn
5 years of age - correct answer Typical visual acuity in developmentally
appropriate child reaches level of 20/20 by _____ years of age
1-2 yrs - correct answer Vision should be checked every ______
growth spurts - correct answer Acuity changes occur quickly with
_______________
myopia(near sighted) - correct answer Boys may develop _________ later than
girls due to differences in growth patterns.
Typical onset - elementary school.
3-5 YEAR OLD - correct answer Refer ________: If acuity if less than 20/40 in
either eye, or if there is a difference of 2 lines in acuity between eyes
6 and older - correct answer Refer _________: If acuity if less than 20/30 in
either eye, or if there is a difference of 2 lines in acuity between eyes
Retinoblastoma - correct answer Most common intraocular malignancy of
childhood, usually presenting before age 3
Retinoblastoma - correct answer Most common presenting sign is Leukocoria
(white reflex inpupil).
May present with strabismus, red eye, or glaucoma
Retinoblastoma - correct answer Always check red reflex (Bruckner test) in
young children with an ophthalmoscope
,Retinoblastoma - correct answer Positive Bruckner test: difference in the quality
of the red reflex between eyes
REFER!!
Hirschberg test
Cover Test - correct answer Assessing for malalignment (strabismus) of eyes:
Perform the _________: Check the corneal light reflex --> It should be in the same
position in each eye.
Perform the _______: watch for movement of the eye after cover removed
4 months old - correct answer Brief periods of malalignment are normal in NB.
Unless strabismus is very obvious and persistent, generally wait until child is
______ and then REFER all cases of strabismus to an ophthalmologist.
Patching or surgery is used
Esotropia - correct answer eye or eyes turn in (cross-eyed if bilateral)
Exotropia - correct answer eye or eyes turn outward
Hypotropia - correct answer eye is depressed (downward)
Hypertropia - correct answer eye is elevated
3 - 5 - correct answer All kids age ______ must have vision checked at least once
Amblyopia (lazy eye) - correct answer Poor vision in one eye.
, Brain doesn't recognize sight from 1 eye and relies more on the stronger eye
while vision in weaker eye gets worse.
Amblyopia (lazy eye) - correct answer This is caused by the brain trying to
suppress the off-center image.
It can result in permanent blindness in the "unused" eye unless corrected early in
life.
clarity - correct answer In well baby check, look for _______ of cornea and red
reflex
red reflex - correct answer Presence of ______ does not mean NB baby can see,
only that the eye itself is intact.
Abnormal _________ - refer to ophthalmologist
Opthalmia neonatorum - correct answer Conjunctivitis in first month of life.
(Gonococcal, Staph, Chlamydia, pneumococcal, Herpes simplex)
Opthalmia neonatorum - correct answer Look for drainage, redness, swelling of
lids/conjunctiva.
silver nitrate - correct answer Prophylactic ________ (rarely used anymore,
given just afterbirth) can cause chemical conjunctivitis with excessive drainage.
Also is not effective against chlamydia
Erythromycin - correct answer _________ ointment is most often used as
prophylaxis after birthto prevent opthalmia neonatorum
nasolacrimal duct obstruction - correct answer Another common condition that
causes drainage of eye in the newborn
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