What is the purpose of the eustachian tube?
equalizes air pressure on both sides of the tympanic membrane
Health Professions
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Of the following permanent teeth on the upper dental arch, which erupt at about age 10 to 11?
a. First premolars b. Two lateral incisors c. Two central incisors d. First molars
Health Professions
The patient was found lying face down. This is the ________ position
A) semi-Fowler's B) lateral C) supine D) prone
Health Professions