APEA EENT Exam Questions and Answers with complete solutions | Graded A+

For tx of blepharitis, pts should be instructed to apply erythromycin ointment to the affected eye using: - A 1 cm ribbon 5 times daily for 7 days The ophthalmic preparation that is NOT available OTC is: - Hydroxypropyl cellulose (Lacrisert), a lubricant Oseltamivir (Tamiflu) is an antiviral agent, further classified as a(n): - Neuraminidase inhibitor The duration of action of ocular decongestants such as oxymetazoline (Visine-LR) is approximately: - 6 hours-pts should be advised to apply 1-2 drops in the affected eye q 6 hours The mechanism of action for macrolides is to: - block the dissociation of peptidyl tRNA from ribosomes 2nd generation antihistamines: - have a variety of anti-inflammatory properties-including decreased mast cell mediator properties and downregulation of adhesion molecule expression After the administration of olopatadine (Pataday) ophthalmic for allergic conjunctivitis, contact lenses should not be inserted for at least: - 10 minutes-do not insert if eyes are red Which of the following is NOT a mechanism of action of ocular steroids? - Promotes capillary proliferation and dilation The mechanism of action of polymyxin B/trimethoprim ophthalmic is: - Increased cell wall permeability/inhibition of nucleic acid and protein synthesis Sulfacetamide/prednisolone (Blephamide) is NOT indicated in: - Ocular mycobacterial infection (ocular tuberculosis)