The correct answer is tympanometer. A tympanometer is not used to measure hearing, but to rather measure the transmission of energy through the middle ear. In this way, tympanometry is an objective test of the function of the middle-ear. Tympanometry is used alongside other measures to asses hearing, such as pure tone audiometry.
The portion of Earth’s history during which tectonic forces acted on Earth’s surface.
The shivering reflex is used to maintain the homeostasis. This happens when the core body temperature drops. as the result of the reduce temperature, homeostasis is triggered and warmth is caused by the movements of the muscles around the vital organs. <em />