Exam (elaborations)
NRSG 357 Final Exam – Questions With Solutions (Pass!)
- Course
- Institution
NRSG 357 Final Exam – Questions With Solutions (Pass!)
[Show more]
Content preview
NRSG 357 Final Exam – Questions With Solutions(Pass!)
What is the difference between the aqueous humor and vitreous humor?
Right Ans - aqueous humor: watery fluid between the cornea and the lens;
maintains pressure, provides nutrition
Vitreous humor/gel: clear gel behind the lens, in front of the retina; must be
clear enough to allow light to pass thru
What are some examples of normal eye changes as we age? Right Ans - -
dryness
-changes in color perception, especially blue and violet
-cataracts
-slower recovery of pupil or focus
-blurring of vision
________ is also called nearsightedness Right Ans - myopia
can see things close up but not far away
______ is also called farshightedness Right Ans - hyperopia; might also be
called presbyopia
can see things far away but not close up
what is astigmatism? Right Ans - defect in the eye or lens caused by a
deviation from spherical curvature that results in distorted images
what is aphakia? Right Ans - absence of the lens of the eye (surgically or
congenital anomaly);
what are two nursing considerations for patients with vision loss? Right
Ans - -help patients maintain as much independence as possible
-adjust environment to ensure patient safety: increase lighting, remove rugs,
etc.
sudden visual loss of any type is ____ ________ Right Ans - an emergency
,what are cataracts? Right Ans - an opacity in the lens that distorts images
projected onto the retina
what are some clinical manifestations of cataracts? Right Ans - -gradual
vision loss, decreased vision overall
-abnormal color perception
-glare, especially at night when the pupil dilates
-milky appearance of the eye
what are some risk factors for developing cataracts? Right Ans - -age
-trauma: blunt or penetrating
-radiation/UV light exposure
-corticosteroid use
-poorly controlled diabetes
true or false: patients typically have pain with cataracts Right Ans - false:
there is no pain associated with cataracts (typically)
true or false: age related cataract formation is associated with pain and eye
redness Right Ans - false
true or false: early manifestations of cataracts include blurred vision and
decreased color perception Right Ans - true
true or false: a cataract is opacity of the lens that distorts the image projected
onto the retina Right Ans - true
true or false: cataracts will develop in both eyes at the same rate Right Ans
- false
what is nonsurgical treatment (glasses, increased lighting, lifestyle
adjustment) considered for patients with cataracts? Right Ans - palliative
not curative
what are some nonsurgical treatments of cataracts? Right Ans - -prescribe
or change the prescription of glasses
-increased lighting
-adjust lifestyle (not driving at night to avoid glare, remove clutter at home)
,what is done in cataract surgery/how are cataracts removed? Right Ans -
phacoemulsification--an ultrasonic tool breaks up the cataract into tiny pieces,
which is then sucked out of the eye and an artificial lens is replaced
what are 3 eye drops patients might get before cataract/eye surgery? Right
Ans - -mydriatic: dilates the pupil
-cycloplegic: paralyzes ciliary muscle--paralysis of accommodation
-NSAID drops: helps keep inflammation down, maintains pupil dilation
what is important to teach the patient pre-op and post-op regarding eye
drops? Right Ans - -how to properly self-administer eye drops
-the frequency that drops must be administered
-potential side effects of the drugs
what patient teaching is important pre-op regarding cataract surgery?
Right Ans - inform patients that they will be awake but reassure them that
they will not feel pain; this will decrease their anxiety for the surgery
what is one nursing consideration with mydriatic eye drops? Right Ans -
can elevate BP and HR, especially in elderly patients
what are some safety concerns/considerations after cataract surgery?
Right Ans - -depth perception will be off w/ eyepatch
-remove rugs and clutter to avoid falls
-wear eyepatch to prevent rubbing/scratching
-avoid activities that increase IOP
name examples of activities that increase IOP: Right Ans - -bending from
the waist
-blowing their nose
-straining to have a BM
-vomiting
-sexual intercourse
health promotion activities to prevent cataracts: Right Ans - -sunglasses
when outside
-avoid UV exposure/radiation
-increase intake of vitamins C and E
, what might you teach your patient regarding pain after surgery for cataracts?
Right Ans - -should have little to no pain
-take mild analgesics for pain (Tylenol)
what signs and symptoms would need to be reported to the healthcare
provider after cataract surgery? Right Ans - -extreme eye pain
-discharge from the eye
-temperature (may indicate infection)
-decrease in vision
-increase in redness
define retinopathy Right Ans - process of microvascular damage to the
retina that leads to blurred vision and progressive vision loss
what are the different types of retinopathy? Right Ans - -nonproliferative
-proliverative
-hypertension
________ retinopathy is the most common, and is characterized by
microaneurysms, retinal swelling, and hard exudates Right Ans -
nonproliferative
_______ retinopathy is characterized by growth of new blood vessels that are
fragile and leak, which causes severe vision loss Right Ans - proliferative
true/false: proliferative retinopathy progresses into non-proliferative
retinopathy Right Ans - false:
non-proliferative may progress into proliferative
________ retinopathy is caused by blockages in retinal blood vessels due to high
blood pressure Right Ans - hypertension
define retinal detachment: Right Ans - separation of the sensory retina and
underlying pigment endothelium (eye wall) with fluid accumulation between
the two layers
what are some risk factors and/or medical histories that put patients at risk
for retinal detachment? Right Ans - -diabetic retinopathy
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studyhall. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $27.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now