SECTION B Using these words; Head of stapes, Cruses, Head of the malleus, Malleus handle, foot plate, short process of Incus, Long process of Incus answer the following questions
22. Label the parts of the diagrams I,II,III,IV,V,VI and VII
I. = ………………
II. = ………………
III. = ………………
IV. = ………………
V. = ………………
VI. = ………………
VII = ………………
23. The diagram labelled ”A” is the………
A. Tympanic membrane B. Incus C. Malleus D. Stapes
24. The diagram labelled “B” is the………
A. Tympanic membrane B. Incus C. Malleus D. Stapes
25. The diagram labelled “C” is the………
A. Tympanic membrane B. Incus C. Malleus D. Stapes
26. The diagrams A, B, C are together called…………..
A. Tympanum B. Vestibular System C. Semi - circular canals D. Ossicles
27. What is the length of the malleus?
A. 5mm B. 6mm C. 7mm D. 8mm
28. The part of the malleus embedded in the T.M is called…………..
A. Short process B. Manubrium C. Incudal joint D. Head of the malleus
29. What is the weight of the malleus?
A. 3 or 4gm B. 25gm C. 30gm D. 34gm
30. The joint between the malleus and incus is called…….
A. Incus joint B. Ossicular joint C. Incudal joint D. Ball and socket joint
31. Which of the ossicular bones is 5mm long and 30mg?
A. Malleus B. Incus C. Stapes D. T.M
32. ………..articulates with the head of the stapes at the ball and socket joint?
A. Malleus B. Incus C. Stapes D. T.M
33. The body of the incus is connected to the ………….of the malleus?
A. Short process B. Manubrium C. Incudal joint D. Head of the malleus
34. The malleus and Stapes are located……………to the Incus
A. Posterior B. Lateral C. Superficial D. Oblique
35. The smallest bone in the human body is the…….
A. Incus B. Stapes C. Malleus D. Hammer
36. The Pinna is responsible for all the following except ……..
A. Collecting sounds B. Sound localization C. Directing sound into the auditory canal D. Convert sound energy to mechanical energy
37. The malformation of the Pinna is called?
A. Anoxia B. Anotia C. Atresia D. Stenosis
38. The malformation of the Ear canal is known as……
A. Anoxia B. Anotia C. Atresia D. Stenosis
39. The abnormal narrowing of the ear canal is called?
A. Anoxia B. Anotia C. Atresia D. Stenosis
40. The Pinna is also known as………
A. Earlobe B. External auditory meatus C. External auditory canal D. Auricle
41. The normal tympanic membrane when visualized with otoscope is
A. Translucent and White B. Translucent and gray C. Translucent and red D. Translucent and yellow
42. The middle ear converts acoustic energy to what form of energy?
A. Electrical B. Hydraulic C. Mechanical D. Kinetic
43. The commonest cause of ear blockage is……
A. Wax B. Otitis media C. Otitis externa D. Tympanosclerosis
44. The shrapnell’s membrane is also called…..
A. Pars tensa B. Pars flaccida C. Umbo D. Light reflex
45. The tympanic cavity contains
A. Ossicles and concha B. Incus and stapes C. Eustachian tube and pinna D. Ossicles and cerumen
46. The tensor tympani is a……….
A. Muscle B. Bone C. Cartilage D. Tube
47. The largest portion of the tympanic membrane is………
A. Pars flaccida B. Pars tensa C. Cone of light D. Annulus
48. The incudal joint is found between……..and………..
A. Incus and stapes B. Hammer and malleus C. Malleus and Incus D. Malleus and Stapes
49. Which of the following connects the ear to the naso pharynx?
A. Tympanum B. Tympanic cavity C. Tympanic membrane D. Eustachian tube
50. The tensor tympani and stapedius muscle are located in the
A. Outer ear B. Middle ear C. Inner ear D. None of the above
51. ………..is inervated by a branch of trigeminal nerve( cranial nerve 5)
A. Stapedius muscle B. Tensor tympani C. Malleus D. Eustachian tube
52. Which of the following is attached to the head of the stapes?
A. Stapedius muscle B. Manibrium C. Pars tensa D. Tensor tympani
53. Which of the following attached to the handle of the malleus?
A. Stapedius muscle B. Manibrium C. Pars tensa D. Tensor tympani
54. Which of the following muscles contract during acoustic reflex?
A. Stapedius muscle B. Manibrium C. Pars tensa D. Tensor tympani
55. At the collapse state, the Eustachian tube is said to be……..
A. Open B. Closed C. At rest D. None of the above
56. During yawning and swallowing the eustachian tube is…….
A. Open B. Closed C. At rest D. None of the above
57. Fluid from the middle ear is drain through………..
A. Ear canal B. Eustachian tube C. Cochlea D. Saccule
58. The helix is ………….to the lobule of the pinna.
A. Posterior B. Superior C. Inferior D. Anterior
59. Which of the following disorders is / are associated with a noncancerous skin growth in the ear?
A. Otosclerosis B. Osteomas C. Cholesteotoma D. Mastoiditis
60. Which of the following disorders is / are associated with an inflammation of the mastoid region?
A. Otosclerosis B. Osteomas C. Cholesteotoma D. Mastoiditis
61. Otitis externa occurs in………….. area of the ear?
A. Outer ear B. Middle ear C. Inner ear D. Brain
62. Otitis media occurs in the…………….area of the ear?
A. External auditory canal B. Mucous lining C. Scala tympani D. Vestibule
63. Which of these canal is responsible for detecting movement as in nodding of the head?
A. Posterial semi circular canal B. Anterior semi circular canal C. Lateral semi circular canal D. Ampularis semi circular canal
64. Which of these canal is responsible for detecting movement as in side to side (saying no)?
A. Posterial semi circular canal B. Anterior semi circular canal C. Lateral semi circular canal D. Ampularis semi circular canal
65. Which of the sacs of the vestibule is responsible for detecting vertical movement?
A. Crista Ampularis B. Saccule C. Utricle D. Efferent hair cells
66. An impairment in both ears is describe
A. Unilateral B. Bilateral C. P Postlateral D. Pre – Lateral circular canal
67. Disorders whose underlying causes is not known can be described as…………….
A. Lesion B. Etiology C. Ideopathic D. Pathologic
68. “S” in the abbreviation STORCH means………………..
A. Sebum B. Sensorineural C. Syphilis D. Science
69. The inner hair cells of the organ corti is known as………..
A. Afferent B. Efferent C. Inferent D. Afterent
70. How many rows has the outer hair cells of the organ of corti?
A. 1 row B. 2 rows C. 3 rows D. 4 rows
