Bones of the Middle Ear

Q. Membranous labyrinth is stato-acoustic organ because it is concerned with:

1. Hearing
2. Balancing
3. Both a and b
4. Sleeping

Q.

Ear ossicles are located in the

1. Cochlea

2. External ear

3. Inner ear

4. Middle ear

Q. Which of the following are not vestigial organs in human beings?

1. Rudimentary ear muscles , third molars (wisdom teeth), body hair
2. Vermiform appendix and nictitating membrane of the eye
3. Coccygeal tail vertebrae and scalp muscles
4. Ear pinna, patella, olecranon process
   

Q.

The three tiny bones present in middle ear are called ear ossicles. Write them in correct sequence beginning from the ear drum.

Q. Which of the following bones in our ear is shaped like a hammer?

1. Incus
2. Malleus
3. Stirrup
4. None of the above

Q.

Semicircular canals are present in

1. External ear

2. Inner ear

3. Middle ear

4. Tympanum

Q. Match the columns I, II and III and choose the correct combination from the options given.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a.Macaca}& \text{1.Limbless vertebrate}\\ \text{b.Aptenodytes}& \text{2.Cloacal chamber}\\ \text{c.Vipera}& \text{3.Pneumatic bones}\\ \text{d.Bufo}& \text{4.Ear pinna}\end{array}$

Q. Identify the correct sequence of ear ossicles of mammals from tympanic membrane

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

Q. What is haversian canal? Where it found and its functions??

Q.

From outer to inside, the sequence of three bones present, in the middle ear of humans is

1. Malleus, stapes, and incus

2. Stapes, malleus, and incus

3. Malleus, incus, and stapes

4. Incus, malleus, and stapes

Q. Choose the odd one out of the following terms given and name the category to which the others belong.

Aqueous humor, Vitrous humor, Iris, Central canal.

Q. Mention the exact location of the following

(ii) Semicircular canals.

Q. In brain lateral ventricle is connected to diocoel by

1. Foramen of Monro
2. Foramen of Luschka
3. Both A and B
4. Foramen of Magendie

Q.

From outer to inside, the sequence of three bones present, in the middle ear of humans is

1. Malleus, stapes, and incus

2. Stapes, malleus, and incus

3. Incus, malleus, and stapes

4. Malleus, incus, and stapes

Q. The is smallest bone of the human body.

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

Q. Internal ear in mammals is responsible for?

1. Vertical posture while at rest
2. Balancing while in motion
3. Fixation of direction
4. Sensing changes in atmospheric pressure

Q. Name the three ossicles found in middle ear.

Q.

Match the bones with the structure they are associated with

i. Occipital bone a. orbit of eye

ii. Sphenoid bone b. cheek bones

iii. Ethmoid bone c. foramen magnum cavity

iv. Zygomatic bone d. olfactory nerve

1. i. b , ii. c, iii. a iv. d

2. i. c, ii. a iii. d iv. b

3. i. a, ii. b iii. c. iv. d

4. i. d ii. c iii. a iv. b