2024/2025
Fnp 545
PC
FNP 545
, - correct answer ✔✔
Allergic conjunctivitis: - correct answer ✔✔IgE mediated disease in response to triggers. Common
triggers can be seasonal such as grass, pollens, and mold. Persistent allergic triggers include dust mites
and animal dander.
Bilateral, itchy red eyes with rope like discharge and clear nasal discharge
Bilateral injected conjunctiva, clear discharge
Treatment based on identification and limiting exposure to allergen.
Medications include cromolyn ophthalmic drops, oral antihistamines, antihistamine eye drops
Viral conjunctivitis: - correct answer ✔✔Most commonly caused by the adenovirus.
Unilateral or bilateral red eyes, reports of current or recent viral infection, such as a UTI
Unilateral or bilateral injected conjunctiva, watery discharge
No antibacterial therapy needed.
Virus resolves in 2-3 weeks
Bacterial conjunctivitis: - correct answer ✔✔Common bacteria include: Staphylococci, streptococci,
chlamydial organisms and gonococci.
Some bacterial causes can be quite serious.
Gonococcal conjunctivitis can result in blindness and can indicate underlying systemic infection.
Usually unilateral, red and irritated
Eyelids are "stuck together" upon awakening.
Injected palpebral and bulbar conjunctiva, purulent drainage
Treatment is provided to decrease spread of contagion and shorten course of illness.
Eye drop treatments include Polymixin B plus trimethoprim or azithromycin.
Otitis Externa - correct answer ✔✔inflammation of the externa ear canal, is also known commonly as
swimmer's ear. Occurring in both children and adults, otitis externa can present as a range of physical
symptoms from a minor inflammation to reports of intense pain.
Otitis Externa Risk Factors