Maryville University Nurs 621 - HEENT Exam 1 (Latest
Update 2026) UPDATE!! (Recent exam) Fully solved &
updated 2026 Most TESTED (2026
What is bacterial conjunctivitis?
Is it contagious?
Inflammation and infection of the conjunctiva which is caused by
bacteria.
Yes, highly contagious - direct contact with secretions or contaminated
surfaces.
What is the symptomatic presentation of bacterial conjunctivitis?
-redness
-purulent or mucopurulent discharge (thick and globular)
-unilateral at onset
-eyelids "glued" shut in the AM.
-eyelid edema.
What are major pathogens in acute bacterial conjunctivitis?
Gram Positive Organisms
-Staphylococcus aureus (most common in adults)
-Streptococcus pneumoniae
Gram Negative Organisms
-Moraxella catarrhalis
-Haemophilius influenzae
-N. gonorrhoeae
,What is the diagnostic clue of Chlamydial Conjuctivitis?
A CC that an eye infection has persisted for >3 weeks despite treatment
with topical antibiotics.
How is Chlamydia Conjunctivits trasmitted?
Autoinoculation from infected genital secretions.
What are the S/S of chlamydial conjunctivitis?
-mucopurulent discharge.
-corneal infiltrates.
-palpable preauricular node is usually present.
Ear infection and rhinitis cold accompany it.
What is the treatment of chlamydial Conjunctivitis?
Doxycycline 100mg BID x7 days
OR
Azithromyacin 1 gram PO in combination with topicals.
What is the presentation of Allergic Conjunctivitis?
-bilateral redness.
-watery discharge.
-May have stringy or rope-like discharge.
-itching (cardinal sign)
-crusty in the morning.
-history of allergy symptoms.
, How do you treat allergic conjunctivitis?
-Cold compresses
-lubricants
-Topical antihistamines, decongestants, NSAIDS and mast cell stabilizers.
--Naphcon-A (Naphazoline + pheniramine) -- antihistamine/decongestant
OTC 1gtt QID PRN up to 8 days.
Zaditor (Ketotifen) - Antihistamine/Mast cell stabilizer - OTC 1 gtt q 8 to
12 hr.
Olopatadine (Patanol) 0.1% or 0.2% solution 1 gtt BID
Ketorolac (Acular) NSAID 1gtt QID
-Systemic Antihistamines.
What is the presentation of Viral Conjunctivitis?
-gritty/burning feeling.
-morning crusting.
-watery to serous discharge during the day.
-unilateral at onset then bilateral within 1-2 days.
-URI symptoms follow (fever, pharyngitis, adenopathy).
What is the common pathogen of viral conjunctivitis?
Adenovirus which is highly contagious.
What is the treatment of viral conjunctivitis?
-antihistamine
-lubricant drops
-cool compresses.
-daytime symptoms improve within 5-7 days, morning crusting can last up
to 2 weeks.
Update 2026) UPDATE!! (Recent exam) Fully solved &
updated 2026 Most TESTED (2026
What is bacterial conjunctivitis?
Is it contagious?
Inflammation and infection of the conjunctiva which is caused by
bacteria.
Yes, highly contagious - direct contact with secretions or contaminated
surfaces.
What is the symptomatic presentation of bacterial conjunctivitis?
-redness
-purulent or mucopurulent discharge (thick and globular)
-unilateral at onset
-eyelids "glued" shut in the AM.
-eyelid edema.
What are major pathogens in acute bacterial conjunctivitis?
Gram Positive Organisms
-Staphylococcus aureus (most common in adults)
-Streptococcus pneumoniae
Gram Negative Organisms
-Moraxella catarrhalis
-Haemophilius influenzae
-N. gonorrhoeae
,What is the diagnostic clue of Chlamydial Conjuctivitis?
A CC that an eye infection has persisted for >3 weeks despite treatment
with topical antibiotics.
How is Chlamydia Conjunctivits trasmitted?
Autoinoculation from infected genital secretions.
What are the S/S of chlamydial conjunctivitis?
-mucopurulent discharge.
-corneal infiltrates.
-palpable preauricular node is usually present.
Ear infection and rhinitis cold accompany it.
What is the treatment of chlamydial Conjunctivitis?
Doxycycline 100mg BID x7 days
OR
Azithromyacin 1 gram PO in combination with topicals.
What is the presentation of Allergic Conjunctivitis?
-bilateral redness.
-watery discharge.
-May have stringy or rope-like discharge.
-itching (cardinal sign)
-crusty in the morning.
-history of allergy symptoms.
, How do you treat allergic conjunctivitis?
-Cold compresses
-lubricants
-Topical antihistamines, decongestants, NSAIDS and mast cell stabilizers.
--Naphcon-A (Naphazoline + pheniramine) -- antihistamine/decongestant
OTC 1gtt QID PRN up to 8 days.
Zaditor (Ketotifen) - Antihistamine/Mast cell stabilizer - OTC 1 gtt q 8 to
12 hr.
Olopatadine (Patanol) 0.1% or 0.2% solution 1 gtt BID
Ketorolac (Acular) NSAID 1gtt QID
-Systemic Antihistamines.
What is the presentation of Viral Conjunctivitis?
-gritty/burning feeling.
-morning crusting.
-watery to serous discharge during the day.
-unilateral at onset then bilateral within 1-2 days.
-URI symptoms follow (fever, pharyngitis, adenopathy).
What is the common pathogen of viral conjunctivitis?
Adenovirus which is highly contagious.
What is the treatment of viral conjunctivitis?
-antihistamine
-lubricant drops
-cool compresses.
-daytime symptoms improve within 5-7 days, morning crusting can last up
to 2 weeks.
