Parts of the Middle Ear

Q.

What is the longest and shortest bone in the human body? What are their measurements in inches?

Q.

Explain how the human ear works.

Q.

What is the main function of hammer in the ear?

Q. The correct sequence of regions in the organisation of auditory mechanoreceptor organ is:

1. Pinna → cochlea → tympanic membrane → auditory membrane → auditory canal → incus → malleus → stapes → cochlea → auditory nerve
2. Pinna → tympanic membrane → auditory canal → cochlea → malleus → incus → stapes → auditory nerve
3. Pinna → malleus → incus → stapes → auditory canal → tympanic membrane → cochlea → auditory nerve
4. Pinna → auditory canal → tympanic membrane → malleus → incus → stapes → cochlea → auditory nerve

Q.

What is the meatus of the ear?

Q. Eustachian canal connects

1. Middle ear with internal ear
2. Middle ear with external ear
3. External ear with internal ear
4. Pharynx with middle ear

Q.

Arrange the following in the order of reception and transmission of the sound wave from the eardrum. Cochlear nerve, external auditory canal, drum, stapes, incus, malleus, cochlea.

Q.

Briefly answer the following question:

What is the function of ear ossicles?

Q. Identify the correct order in which vibrations travel through the auditory ossicles.

1. Malleus-Incus-Stapes
2. Stapes-Incus-Malleus
3. Incus-Stapes-Malleus
4. Stapes-Malleus-Incus

Q. Name the smallest bone in the human body.

Q.

Explain the structure of the middle and internal ear with the help of a diagram.

Q. Which of the following is matched correctly?

1. Cochlea - Inner ear
2. All of the above
3. Pinna - outer ear
4. Ear ossicle - Middle ear

Q.

Name the specific receptors of the vestibular apparatus responsible for maintaining body posture.

Q. ________ glands are present in the external auditory meatus of ear.

1. Bartholin's
2. Prostate
3. Cowper's
4. Ceruminous

Q. In humans, the ear ossicle in contact with tympanic membrane is

1. Malleus
2. Malleolus
3. Incus
4. Stapes

Q. Mention the exact location of the following.

(ii) Malleus

Q.

Write the missing correlated terms.​

(d) : Birds : : Larynx : Mammals.​

Q. Human skeleton altogether contains $213$ bones. Which of these are the $6$ bones?

1. Neck vertebrae
2. Carpals
3. Ear ossicles
4. Metacarpals

Q.

Wax gland present in the ear canal is called

(a) sweat gland (b) prostate gland

(c) Cowper's gland (d) sebaceous gland/ceruminous gland

Q. Canal joining middle ear with buccal cavity is

1. Inguinal canal
2. Eustachian canal
3. Aqueduct of Sylvius
4. Haversian canal

Q. Malleus, pinna, incus, stapes

Q. State one main functions of each of the following:

Q. .......... connects the cavity of the middle ear with the pharynx.

Q.

Name the three small bones present in the middle ear. What is the biological term for them collectively?

Q.

What is the function described to the Eustachian tube?

Q. The scala vestibuli communicates with scala tympani through a narrow canal, called as

1. Ductus endolymphaticus
2. Helicotrema
3. Ductus utriculi
4. Sacculo utricular canal

Q. Name the middle ear ossicles. What is their evolutionary origin?

Q. Write the names of bones present in the middle ear.

Q. State the three ear ossicles and their functions. In which part of our ear are they located?

Q. From outer to inside, the sequence of three bones present in the middle ear of mammals are

1. Malleus, stapes and incus
2. Stapes, malleus and incus
3. Malleus, incus and stapes
4. Incus, malleus and stapes