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microbiology Unit 4
FInal 14
19
Biology
Undergraduate 1
04/18/2009

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Cards

Term
What is the cause of ophthalmia neonatorum?
Definition
neisseria gonorrheoeae
Term
What gram stain is neisseria gonorrheoeae?
Definition
gram negative diplococci
Term
How is ophthalmia neonatorum trasnmitted?
Definition
sexualy aquired in afults, newborn infected during birth via infected birth canal
Term
How do you treat ophthalmia neonatorum?
Definition
instilled erythromycin (gel in their eyes when they are born), classically used silver nitrate
Term
Whats the cause of inclusion conjunctivitis?
Definition
chlamydia trachomatis
Term
How is inclusion conjuntivitis transmitted?
Definition
STD in adults, can be aquired in swimming pools
Term
How is inclusion conjuntivitis treated?
Definition
tetracycline
Term
What causes trachoma?
Definition
chlamydia trachomatis (small obligateintracellular parasite)
Term
What is trachoma?
Definition
chronic inflammation of cornea and conjunctiva
Term
What can lead to trichasis? what is this?
Definition
trachoma, eyelashes turning inward due to inflammation (causes cornea scarring)
Term
What is a panus formation?
Definition
when trachoma gets into the cornea it can cause permenant blindness
Term
Where is trachoma most common?
Definition
north africa, appalachia, and Howwith native americans
Term
How is trachoma transmitted?
Definition
hand contact: rubbing eyes, touhing soemthing, another person touching it and then their eyes
Term
How is trachoma treated?
Definition
tetracycline ointment, surgery to prevent eyelalsh abrasions
Term
How is trachoma prevented?
Definition
higher living standards, better sanitary practices, health education (in terms of spreading the disease)
Term
What are the possible causes of conjuntivitis?
Definition
strep pneumoniae, staph aureus, haemophilus influenzae, pseudomonas, or viral
Term
What is the difference between viral and bacteria conjunctivitis?
Definition
viral you have red eyes but no pus
Term
What increases your chances of conjunctivitis?
Definition
contact lenses (not keeping them clean)
Term
What is herpes keratitis?
Definition
viral infection of the eye
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