Ringing or buzzing in the ears is called

a. otitis media.
b. tinnitus.
c. otitis externa.
d. otitis interna.
e. strabismus.


B

Biology & Microbiology

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J. R. R. Tolkien is a famous author who wrote, among others, several books about the adventures of a community of a humanoid (meaning resembling a human) race

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Which of the following is the most broad-spectrum antibiotic?

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Adenoviruses are

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