Nokea
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.
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The nurse should discuss which of the following adverse reactions with a client prior to the administration of dexamethasone (Maxidex)? Select all that apply.
- A. Increased intraocular pressure
- B. Headache
- C. Numbness
- D. Ptosis
- E. Cataract formation
Correct Answer: A,D,E
Rationale: The nurse should discuss the following adverse reactions with a client prior to the administration of an ophthalmic corticosteroid, like dexamethasone (Maxidex): increased intraocular pressure with optic nerve damage, loss of visual acuity, cataract formation, delayed wound healing, secondary ocular infection, exacerbation or corneal infections, dry eyes, ptosis, blurred vision, discharge, ocular pain, foreign body sensation, and pruritus.
A client is prescribed an otic agent to promote cerumen removal. Which of the following would the nurse include in the teaching plan? Select all that apply.
- A. Insert a cotton swab into the ear canal at least once a day.
- B. Do not use the drug if there is ear drainage.
- C. Use the drug for no more than 4 days.
- D. Call your primary health care provider if dizziness occurs.
- E. After the treatment, do not flush the ear with warm water to remove remaining wax.
Correct Answer: B,C,D
Rationale: The nurse would instruct the client not to insert anything into the ear canal, such as a cotton swab, not to use the drug if there is ear drainage, to use the drug for no more than 4 days; to call the primary health care provider if dizziness occurs; and to remove any wax remaining after the treatment by gently flushing the ear with warm water using a soft rubber bulb syringe.
After teaching a group of nursing students about otic preparations, the instructor determines that the teaching was successful when the group identifies which of the following preparations as being used to aid in the removal of cerumen? Select all that apply.
- A. Cipro HC otic
- B. Floxin otic
- C. Debrox
- D. Acetasol HC
- E. Cerumenex
Correct Answer: C,E
Rationale: Carbamide peroxide (Debrox) and triethanolamine polypeptide (Cerumenex) are otic preparations used to aid in the removal of cerumen.
Before administering an otic preparation, which of the following would the nurse be responsible for during the preadministration assessment? Select all that apply.
- A. Documentation of a description of any drainage
- B. Examination of the outer structures of the earlobe
- C. Examination of the inner structures of the ear
- D. Documentation of a description of visible cerumen
- E. Examination of the skin around the ear
Correct Answer: A,B,D,E
Rationale: During preadministration assessment before administering an otic preparation, the nurse is responsible for the following: examination of the outer structures of the ear (earlobe and the skin around the ear) and documentation of a description of any drainage or visible cerumen. The primary health care provider examines the ear's external and internal structures.
A nurse is preparing to administer the ophthalmic drug ketorolac (Acular). The nurse understands that this drug can be used to treat which of the following ocular problems? Select all that apply.
- A. Bacterial infection
- B. Increased intraocular pressure
- C. Postoperative pain after cataract surgery
- D. Relief of ocular itching
- E. During ocular surgery to prevent miosis
Correct Answer: C,D,E
Rationale: Ophthalmic NSAIDs, like ketorolac (Acular), are used to treat pain and inflammation after cataract surgery, for the relief of ocular itching, and during eye surgery to prevent miosis.