Otitis media is an inflammation of which part of the
Correct answer: B. Middle ear
- A. Brain
- B. Middle ear
- C. Lungs
- D. Urinary tract
Explanation
Otitis media is an inflammation of the middle ear. The eustachian tubes equalise the pressure between the middle ear cavity and the outside mucus to drain out of the middle ear cavity. Inflammation of the middle ear causes the tubes to close, causing the fluid to become trapped. Bacteria travel from the back of the nose through the fluid in the eustachian tube directly into the middle ear cavity and multiply in the fluid.
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Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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