Practice Quiz

Ophthalmic Technician

Category - Microbiology and Pharmacology

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An infant is suspected to have ophthalmia neonatorum. A conjunctival smear shows presence of gram negative coffee bean shaped diplococci. What is the organism?
  1. Chlamydia trachomatis
  2. Neisseria gonorrhoeae
  3. Staphylococcus aureus
  4. Herpes simplex virus 2
Explanation
Answer: B - Neisseria gonorrhoeae is gram negative, coffee bean shaped diplococci. It is an important cause of ophthalmia neonatorum and causes infection in the first five days, in most cases. Chlamydia trachomatis is a gram negative bacterium with ovoid shape and has inclusion bodies. Staphylococcus aureus is a gram positive coccus while Herpes simplex virus 2 is a virus.
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