Qstnid -Ii-2- With Reference To The Human Ear, Answer The Questions That Follow: (A) Give The Technical Term For The Structure Found In The Inner Ear. (B) Name The Three Small Bones Present In The Middle Ear. What Is The Biological Term For Them Collectively? (C) Name The Part Of The Ear Associated With (1) Static Balance (2) Hearing (3) Dynamic Balance. (D) Name The Nerve, Which Transmits Messages From The Ear To The Brain. - 08: The Nervous System

with Solutions - page 2

#2
With reference to the human ear, answer the questions that follow: (a) Give the technical term for the structure found in the inner ear. (b) Name the three small bones present in the middle ear. What is the biological term for them collectively? (c) Name the part of the ear associated with (1) static balance (2) hearing (3) dynamic balance. (d) Name the nerve, which transmits messages from the ear to the brain.
Ans : (a) The middle ear or membranous labyrinth has two structures inside it, the cochlea and the semi-circular canals. (b) Malleus, incus and stapes (c) Static balance - Utriculus and sacculus (inner ear)
Hearing - Internal ear Dynamic balance - Semi-circular canals (inner ear) Collectively they are termed as ossicles.

#2-a
Give the technical term for the structure found in the inner ear.
Ans : The middle ear or membranous labyrinth has two structures inside it, the cochlea and the semi-circular canals.

#2-b
Name the three small bones present in the middle ear. What is the biological term for them collectively?
Ans : Malleus, incus and stapes

#2-c
Name the part of the ear associated with (1) static balance (2) hearing (3) dynamic balance. (d) Name the nerve, which transmits messages from the ear to the brain.
Ans : Static balance - Utriculus and sacculus (inner ear)
Hearing - Internal ear Dynamic balance - Semi-circular canals (inner ear) Collectively they are termed as ossicles.