NURS 320 STUDY GUIDE 2 ADULT NURSING QUESTIONS AND ANSWERS LATEST UPDATE 2023/2024 TOP RANKED A+ - Wichita State University
rmal intraocular pressure is 10-21mmHg
The second leading cause of irreversible blindness in the world is glaucoma
1.Two significant changes in the optic nerve that occur in patients with glaucoma are pallor and cupping of the optic disc
2.The most common laser surgeries for glaucoma are laser trabeculoplasty and laser iridotomy
3.According to the World Health Organization, the leading cause of blindness in the world is cataracts
4.An initial treatment for a splash injury to the eye would be irrigation with normal saline
5.Three microorganisms that most commonly cause bacterial conjunctivitis are staphylococcus aureus, streptococcus pneumoniae, and haemophilus influenzae
6.A characteristic sign of viral conjunctivitis is pink eye, dilation of the conjunctival blood vessels
7.One of the most serious ocular consequences of diabetes is diabetic retinopathy
8.The most common cause of retinal inflammation in patients with AIDS is cytomegalovirus (CMV)
9.A healthy tear is composed of three layers lipoid, aqueous, and mucoid
10.The nurse is assessing a patient for ptosis, which is defined as drooping of the eyelid
1.Describe how the nurse would assess a patient’s visual acuity: Visual acuity is tested for distance (20 ft.) and near (14 in.). A standardized Snellen chart would be used for distance vision testing and a Rosenbaum pocket screener would be used for near vision testing.
2.What nursing measures are important to educate the patient about when performing
tonometry? Pts. Are cautioned to avoid squeezing the eyelids, holding their breath, or
performing a Valsalva maneuver, as these may result in an increased IOP.
3.When is the Amsler grid test used? It is a test often used for pts. With macular problems, such
as macular degeneration.
Match the characteristic or function of the eye listed with its associated structure listed
1.Choroid- Area where most of the blood vessels for the eye are located
2.Lens- Degree of convexity modified by contraction and relaxation of the ciliary muscles
3.Pupil- Accommodates to the intensity of light by dilating or contracting
4.Retina- Contains nerve endings that transmit visual impulses to the brain
5.Vitreous Humor- Maintains the form of the eyeball
6.Cornea- Transparent part of the fibrous coat of the eyeball
7.Sclera- White part of the eye
8.Iris- Contractile membrane between the cornea and lens
9.Uvea- The pigmented, vascular coating of the eye NURS 320 STUDY GUIDE 2 ADULT NURSING QUESTIONS AND ANSWERS LATEST UPDATE 2023/2024 TOP RANKED A+ - Wichita State University
10.Limbus- The edge of the cornea where it joins the sclera
A.Maintains the form of the eyeball
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