Multiple Choice
Which bony feature is located on the inferior view of the skull and serves as the point of articulation with the first cervical vertebra (atlas)?
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1. Introduction to Anatomy & Physiology
Anatomical Terms for the Head and Neck
Multiple Choice
Which of the following anatomical terms correctly refers to the snail-shaped structure of the inner ear responsible for hearing?
A
Cochlea
B
Eustachian tube
C
Vestibule
D
Semicircular canals
Verified step by step guidance1
Step 1: Begin by identifying the anatomical structure responsible for hearing in the inner ear. Recall that the inner ear contains specialized structures for auditory and balance functions.
Step 2: Understand the function of each option provided: The cochlea is a spiral-shaped structure responsible for converting sound waves into electrical signals for hearing. The Eustachian tube helps equalize pressure in the middle ear but is not involved in hearing. The vestibule is involved in balance and spatial orientation. The semicircular canals are also part of the balance system, detecting rotational movements.
Step 3: Focus on the cochlea, which is snail-shaped and contains the organ of Corti, the sensory organ for hearing. It is filled with fluid and lined with hair cells that respond to sound vibrations.
Step 4: Eliminate the incorrect options based on their functions: The Eustachian tube, vestibule, and semicircular canals are not directly involved in the process of hearing.
Step 5: Conclude that the correct anatomical term referring to the snail-shaped structure responsible for hearing is the cochlea.
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