Nokea
A nurse is doing preoperative and postoperative teaching with a client who is undergoing cataract surgery. What is an important teaching point the nurse should emphasize to the client?
- A. Prepare for possible feelings of depression.
- B. Expect increased urine output.
- C. Eat soft, easily chewed food until healing is complete.
- D. Anticipate development of a periorbital hematoma.
Correct Answer: C
Rationale: Advise clients who have had cataract surgery to eat soft, easily chewed foods until healing is complete to avoid tearing from excessive facial movements. Clients who undergo cataract surgery do not become depressed, have increased urine output, or develop a periorbital hematoma.
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Which technique would be most beneficial for ambulation of a client who is visually impaired?
- A. Speak before touching the client.
- B. Provide a detailed description of the room and walkway.
- C. Allow client to follow the nurse's lead.
- D. Provide the client with a guide dog.
Correct Answer: C
Rationale: A blind person feels more secure and safe when assisted by someone who is sighted. The nurse should walk slightly ahead while allowing the client to hold onto the nurse's upper arm or elbow. Speaking before touching is an important care action in dealing with clients who have impaired vision but does not assist in ambulation. Providing a detailed description of the room may allow the client an image of the surroundings but is not as helpful in initial ambulation. Finding a perfect fit between guide dog and client is a lengthy process and should be pursued upon request of client.
Following an ophthalmologic exam, an anxious client asks the nurse, 'How serious is a refraction error?' Which is the best response from the nurse?
- A. It is nothing serious.
- B. It means corrective lenses are required.
- C. Simple surgery can fix this problem.
- D. This is normal for anyone your age.
Correct Answer: B
Rationale: Refractive errors can be corrected with glasses or contact lenses. Telling a client that 'nothing is serious' does not provide the necessary information to help alleviate fears. The word surgery can increase fears. If the refractive error is associated with aging, this is a normal finding but does not provide information about the condition.
A client with chronic open-angle glaucoma is now presenting with eye pain and intraocular pressure of 50 mm Hg. An immediate iridotomy is scheduled. Which explanation by the nurse describes the desired effects of this procedure?
- A. Reverse optic nerve damage
- B. Restore vision
- C. Improve outflow drainage
- D. To relieve pain
Correct Answer: C
Rationale: Laser iridotomy or standard iridotomy is a surgical procedure that provides additional outlet drainage of aqueous humor. This is done to lower the IOP as quickly as possible since permanent vision loss can occur in 1 to 2 days. Once optic nerve damage occurs, it cannot be reversed, and vision is not restored. Pain that occurs with rising IOP will be controlled once pressure is lowered through improved outflow drainage.
A nurse is caring for a client who has undergone enucleation. What complication of enucleation should be addressed by the nurse?
- A. Hypotension
- B. Nausea and vomiting
- C. Hemorrhage
- D. Pneumonia
Correct Answer: C
Rationale: The nurse should take measures to prevent hemorrhage, a complication of enucleation, by applying a pressure dressing. Nausea and vomiting are common side effects of surgery. Enucleation does not increase risk of developing hypotension or pneumonia.
The client with chronic open-angle glaucoma is receiving timolol eye drops. Which evaluation finding would indicate to the nurse the treatment is working?
- A. Intraocular pressure 15 mm Hg
- B. Reduced peripheral vision
- C. Halos around lights
- D. Decrease in nausea and vomiting
Correct Answer: A
Rationale: Timolol is a beta-blocker that is used topically to decrease the flow rate of aqueous humor in the eye. As flow rate decreases, the intraocular pressure decreases. IOP of 12 to 21 mm Hg is within normal range. Reduced peripheral vision, halos around lights, and blurred vision are all symptoms of open-angle glaucoma. Nausea and vomiting are more likely to occur with acute angle-closure glaucoma.