Ringing or buzzing in the ears is called
a. otitis media.
b. tinnitus.
c. otitis externa.
d. otitis interna.
e. strabismus.
B
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What causes tidal overmixing in estuaries?
a. strong tidal currents. b. strong river flow. c. an unstable water column. d. downwelling. e. animal migrations.
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
The individuals of this race are described by Tolkien as being "…between 2 and 4 feet (0.61-1.22 m) tall, the average height being 3 feet 6 inches (1.07 m) … a fairly human figure." This general description characterizes the humanoids mostly closely resembling ________. A) Homo sapiens B) Homo floresiensis C) mandrills D) lemurs
Which of the following is the most broad-spectrum antibiotic?
a. penicillin b. erythromycin c. acyclovir d. tetracycline
Adenoviruses are
A. causes of outbreaks among military recruits. B. nonenveloped, double-stranded, DNA viruses. C. causes of conjunctivitis, common cold, and an acute hemorrhagic cystitis in children. D. transmitted by respiratory and ocular secretions. E. All of the choices are correct.