CPO FREE CPO Ocular Pharmacology and Medication Instillation Questions and Answers 2

Question 1

A patient taking a systemic medication for a heart arrhythmia, amiodarone, presents with complaints of seeing colored halos around lights.
Which ocular structure is most likely affected by deposits from this medication?

Accepted Answer

Cornea

Answer

Retina

Answer

Optic Nerve

Answer

Lens

Question 2

A 6-year-old child requires a cycloplegic refraction. The optometrist wants to use an agent with a strong effect but a shorter duration of action than atropine to minimize inconvenience for the child and parents. Which agent is the most appropriate choice?

Accepted Answer

Cyclopentolate

Answer

Tropicamide

Answer

Phenylephrine

Answer

Homatropine

Question 3

A patient with severe glaucoma is prescribed a beta-blocker ophthalmic solution. To minimize the potential for systemic side effects like bradycardia, which instruction is most critical for the paraoptometric to provide?

Accepted Answer

"Apply gentle pressure to the corner of the eye near the nose for 30-60 seconds after instillation."

Answer

"Instill two drops to ensure an adequate dose reaches the eye."

Answer

"Blink rapidly for 30 seconds after instilling the drop."

Answer

"Keep the eye drop bottle refrigerated to enhance its effect."

Question 4

A clinic uses multi-dose bottles of dilating drops for multiple patients. Which of the following actions represents a critical breach of aseptic technique that requires the bottle to be discarded or dedicated to a single patient?

Accepted Answer

The tip of the dropper bottle makes brief contact with the patient's lower eyelashes.

Answer

Forgetting to wash hands before instilling drops.

Answer

Placing the bottle cap on its side on a clean counter.

Answer

Failing to check the medication's expiration date.

Question 5

A patient with severe allergic conjunctivitis has not found relief with over-the-counter antihistamine drops. The ophthalmologist prescribes a short-term course of a topical corticosteroid. Which potential adverse effect is most important to monitor for with this class of medication?

Accepted Answer

Increased intraocular pressure

Answer

Corneal thinning

Answer

Pupil constriction

Answer

Dry eye syndrome

Question 6

A patient is being educated on how to instill both an ophthalmic suspension and an ophthalmic ointment for a severe infection. What is the correct sequence and instruction for administration?

Accepted Answer

Instill the suspension, wait at least 5 minutes, then instill the ointment.

Answer

Instill the ointment first, wait 5 minutes, then instill the suspension.

Answer

Instill the suspension first, then immediately instill the ointment.

Answer

The order does not matter as long as they are both administered.