Nokea
A client is diagnosed with a bacterial ocular infection. Which of the following would the nurse most likely administer if prescribed? Select all that apply.
- A. Brimonidine (Alphagan)
- B. Gatifloxacin (Zymar)
- C. Tobramycin (TobraDex)
- D. Betaxolol (Betoptic)
- E. Natamycin (Natacyn)
Correct Answer: B,C
Rationale: Gatifloxacin (Zymar) and tobramycin (TobraDex) are antibiotic ophthalmic preparations used to treat bacterial infections.
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A client is admitted to the health care facility with acute glaucoma. After administering the prescribed ophthalmic drugs, the nurse continues to assess the client for pain relief at which frequency?
- A. Every hour
- B. Every 2 hours
- C. Every 3 hours
- D. Every 4 hours
Correct Answer: B
Rationale: Clients admitted for treatment of acute glaucoma should be assessed every 2 hours for relief of pain. Pain in the eye may indicate increased intraocular pressure.
A patient with open-angle (chroniglaucoma has been prescribed brimonidine tartrate to lower intraocular pressure (IOP). After administering the drug, the nurse should monitor which of the following in the patient as a local effect of brimonidine tartrate?
- A. Allergic lip reactions
- B. Foreign body sensation
- C. Deposits in the cornea
- D. Brow ache and headache
Correct Answer: B
Rationale: Although side effects are usually mild, treatment with brimonidine tartrate includes local effects like foreign body sensation, ocular hyperemia, burning and stinging, headache, visual blurring, ocular allergic reactions, and ocular pruritus. Allergic lip reactions, deposits in the cornea, brow ache, and headache are the transient local reactions to sympathomimetic drugs.
A client is diagnosed with springtime allergic conjunctivitis. The nurse would expect which of the following to be prescribed? Select all that apply.
- A. Brimonidine (Alphagan)
- B. Gatifloxacin (Zymar)
- C. Betaxolol (Betoptic)
- D. Pemirolast (Alamast)
Correct Answer: D
Rationale: Mast cell stabilizers, like nedocromil (Alocril) and pemirolast (Alamast), are ophthalmic drugs useful in a client who has allergic conjunctivitis during the spring.
The nurse should discuss which of the following adverse reactions with a client prior to the administration of a drug to treat glaucoma? Select all that apply.
- A. Ocular burning
- B. Headache
- C. Numbness
- D. Tearing
- E. Blurred vision
Correct Answer: A,B,D,E
Rationale: The nurse should discuss the following adverse reactions with a client prior to the administration of drugs used to treat glaucoma: locally in or near the eye-burning and stinging, headache, blurred vision, tearing, foreign body sensation, ocular allergic reactions, and ocular itching.
After teaching a group of nursing students about various ophthalmic drugs, the instructor determines that the teaching was successful when the students identify which of the following as a carbonic anhydrase inhibitor?
- A. Pilocarpine
- B. Brinzolamide
- C. Latanoprost
- D. Unoprostone isopropyl
Correct Answer: B
Rationale: Brinzolamide is a carbonic anhydrase inhibitor. Pilocarpine is a miotic, direct-acting cholinesterase inhibitor. Latanoprost and unoprostone isopropyl are prostaglandin agonists.