Audio and Visual Questions Flashcards
- Myopia is present in 25% of Americans. Which characteristics are associated with myopia (select all that apply) a. Excessive light refraction b. Abnormally short eyeball c. Unequal corneal curvature d. Corrected with concave lens e. Image focused in front of retina
a. Excessive light refraction d. Corrected with concave lens e. Image focused in front of retina
- The patient is diagnosed with presbyopia. When he asks the nurse what that is, what is the best explanation the nurse can give to the patient? a. Abnormally long eyeballs b. Absence of crystalline lens c. Correctable with cylinder lens d. Loss of accommodation associated with age
d. Loss of accommodation associated with age
- To determine if an unconscious patient has contact lenses in place, what should be done by the nurse? a. Use a penlight to shine a light obliquely over the eyeball b. Apply drops of fluorescein dye to the eye to stain the lenses yellow c. Touch the cornea lightly with a dry cotton ball to see if the patient reacts d. Tense the lateral canthus to cause a lens to be ejected if it is present in the eye
a. Use a penlight to shine a light obliquely over the eyeball
- What surgical choices are available for correction of a refractive error (select all that apply) a. LASIK b. Contact lenses c. Corrective lenses d. Photorefractive keratectomy (PRK) e. Surgical implantation of intraocular lens
a. LASIK d. Photorefractive keratectomy (PRK) e. Surgical implantation of intraocular lens
- A patient tells the nurse on admission to the health care facility that he recently has been classified as legally blind. What does the nurse understand about the patient’s vision? a. Has lost usable vision but has some light perception b. Will need time for grieving and adjusting to living with total blindness c. Will be dependent on others to ensure a safe environment for functioning d. May be able to perform many tasks and activities with vision enhancement techniques
d. May be able to perform many tasks and activities with vision enhancement techniques
- Identify five nursing measures that should be implemented to increase a visually impaired patient’s safety and comfort.
a. Address the patient, not others with the patient, in normal conversational tones b. Face the patient and make eye contact c. Introduce self when approaching the patient and let the patient know when you are leaving d. Orient to sounds, activities, and physical surroundings e. Use a sighted-guide technique to ambulate and orient patient **Do not move objects positioned by the patient without the knowledge and consent of the patient; ask the patient what help is needed and how to provide it.
- A patient is admitted to the emergency department with a wood splinter imbedded in the right eye. Which intervention by the nurse is most appropriate? a. Irrigate the eye with a large amount of sterile saline b. Carefully remove the splinter with a pair of sterile forceps c. Cover the eye with a dry sterile patch and a protective shield d. Apply light pressure on the closed eye to prevent bleeding or loss of aqueous humor
c. Cover the eye with a dry sterile patch and a protective shield
- What best describes pinkeye a. Blindness b. Acute bacterial conjunctivitis c. Epidemic keratoconjunctivitis d. Chronic inflammation of sebaceous glands
b. Acute bacterial conjunctivitis
- What describes inflammation of the cornea a. Keratitis b. Blepharitis c. Hordeolum d. Conjunctivitis
a. Keratitis
- What should the nurse teach all patients with conjunctival infections to use? a. Artificial tears to moisten and soothe the eyes b. Dark glasses to prevent the discomfort of photophobia c. Warm moist compresses to the eyes to promote drainage and healing d. Frequent and thorough hand washing to avoid spreading the infection
d. Frequent and thorough hand washing to avoid spreading the infection
- Endophthalmitis can be a complication of intraocular surgery or penetrating ocular injury. What manifestations are expected when the nurse assesses a patient with this disorder (select all that apply) a. Ocular pain b. Photophobia c. Eyelid edema d. Reddened sclera e. Bleeding conjunctiva f. Decreased visual acuity
a. Ocular pain b. Photophobia f. Decreased visual acuity
- A patient with early cataracts tells the nurse that he is afraid cataract surgery may cause permanent visual damage. What should the nurse teach the patient? a. The cataracts will only worsen with time and should be removed as early as possible to prevent blindness b. Cataract surgery is very safe and with the implantation of an intraocular lens, the need for glasses will be eliminated c. Progression of the cataracts can be prevented by avoidance of ultraviolet (UV) light and good dietary management d. Vision enhancement techniques may improve vision until surgery becomes an acceptable option to maintain desired activities
d. Vision enhancement techniques may improve vision until surgery becomes an acceptable option to maintain desired activities
- A 60-year old patient is being prepared for outpatient cataract surgery. When obtaining admission data from the patient, what would the nurse expect to find in the patient’s history? a. A painless, sudden, sever loss of vision b. Blurred vision, colored halos around lights, and eye pain c. A gradual loss of vision with abnormal color perception and glare d. Light flashes, floaters, and a “cobweb” in the field of vision with loss of central or peripheral vision
c. A gradual loss of vision with abnormal color perception and glare
- A patient with bilateral cataracts is scheduled for an extracapsular cataract extraction with an intraocular lens implantation of one eye. What should be done by the nurse preoperatively? a. Assess the visual acuity in the unoperated eye to plan the need for postoperative assistance b. Inform the patient that the operative eye will need to be patched for 3-4 days postoperatively c. Assure the patient that vision in the operative eye will be improved to near normal on the first postoperative day d. Teach the patient routine coughing and deep-breathing techniques to use postoperatively to prevent respiratory complications
a. Assess the visual acuity in the unoperated eye to plan the need for postoperative assistance
- For the patient with a retinal break, what extraocular techniques may be used with sclera buckling to seal the break by creating an inflammatory reaction that causes a chorioretinal adhesion or scar (select all that apply) a. Cryopexy b. Vitrectomy c. Pneumatic retinopexy d. Laser photocoagulation e. Penetrating keratoplasty
a. Cryopexy d. Laser photocoagulation