ATI LPN
Pharmacology and the Nursing Process 10th Edition Test Bank
Chapter 57 : Ophthalmic Drugs Questions
Question 1 of 5
A patient has a new prescription for an antiglaucoma eyedrop. The next day, she calls the clinic and states, 'The package insert says this medication might make my blue eyes turn brown! Is this true?' The nurse realizes that the patient has a prescription for which eye medication?
Correct Answer: A
Rationale: There is one unique adverse effect associated with all prostaglandin agonists"in some people with hazel, green, or bluish-brown eye color, eye color will turn permanently brown, even if the medication is discontinued. This adverse effect appears to be cosmetic only, with no known ill effects on the eye. The other medications do not have this effect.
Question 2 of 5
A patient has been using dexamethasone eyedrops for allergic conjunctivitis but has developed bacterial conjunctivitis and has a prescription for gentamicin (Garamycin) ointment. The nurse notes that which interaction is possible if the two drugs are used together?
Correct Answer: D
Rationale: Concurrent use of corticosteroids, such as dexamethasone, and ophthalmic antimicrobials may cause immunosuppression that may make it more difficult to eliminate the eye infection.
Question 3 of 5
When teaching a patient about the proper application of eyedrops, the nurse will include which instruction?
Correct Answer: A
Rationale: All ophthalmic drugs should be administered in the conjunctival sac. Gently use a tissue to remove excess eye medication"do not blot the eye after giving the medication. Tilt the head back before giving the eyedrops.
Question 4 of 5
A patient is about to undergo ocular surgery. The preoperative nurse anticipates that which drug will be used for local anesthesia?
Correct Answer: B
Rationale: Proparacaine and tetracaine are used as a local anesthetic for ocular surgery or other procedures. The other drugs are used for glaucoma.
Question 5 of 5
A patient with an eye injury requires an ocular examination to detect the presence of a foreign body. The nurse anticipates that which drug will be used for this examination?
Correct Answer: B
Rationale: Fluorescein sodium is an ophthalmic diagnostic dye used to identify corneal defects and to locate foreign objects in the eye. Phenylephrine is an ocular decongestant; atropine sulfate has mydriatic and cycloplegic effects, which are useful for examining the inner eye structures; olopatadine is an ophthalmic antihistamine.