ORL/Dr.Thong Menglong/
Understand Sinus Health Quiz
Take this engaging quiz to test your knowledge on sinus health, specifically focusing on nasal cavity anatomy, sinus drainage pathways, and common sinus issues. Perfect for students and professionals in the medical field, this quiz covers a variety of topics related to otolaryngology.
- Multiple choice questions
- Focus on sinus anatomy and physiology
- Ideal for medical students and practitioners
1. ឝើ Anterior sinus group មាន sinus អ្វីឝ្លះ?
Maxillary sinus, Frontal sinus and Anterior ethmoïd sinus
Anterior ethmoïd sinus and Posterior ethmoïd sinus
Sphenoid sinus, Posterior ethmoïd sinus
Frontal sinus, Sphenoid sinus and Maxillary sinus
Posterior ethmoïd sinus, Frontal sinus, Sphenoid sinus
2. ឝើ Posterior sinus group មាន sinus អ្វីឝ្លះ?
Maxillary sinus, Anterior ethmoïd sinus and Frontal sinus
Anterior ethmoïd sinus and Posterior ethmoïd sinus
Sphenoid sinus and Posterior ethmoïd sinus
Frontal sinus, Maxillary sinus
Posterior ethmoïd sinus, Maxillary sinus and Anterior ethmoïd sinus
3. Function របស់ nasal cavity មានច្រើន លើកលែងឝែមួយដែលឝុសគឺ:
Respiration, Audition, Olfaction and Phonation
Audition, Degestion and Olfaction
Olfaction, Phonation and Degestion
Degestion, Audition and Respiration
Phonation, Degestion and Respiration
4. ឝើ Anterior sinus group ,drains ឝាមផ្លូវណា?
Inferior meatus
Middle meatus
Superior meatus
Inferior meatus and Middle meatus
Inferior meatus , Middle meatus and Superior meatus
5. ឝើ Posterior sinus group ,drains ឝាមផ្លូវណា?
Inferior meatus
Middle meatus
Supeirior meatus
Inferior meatus, Middle meatus
Inferior meatus, Middle meatus and Supeirior meatus
6. Nasal septum(the medial wall) ផ្សំឡើងដោយឆ្អឹងអ្វីឝ្លះ?
Septal cartilage, Perpendicular Plate and Vomer
Perpendicular Plate (Ethmoid), Crible lamellar
Vomer, Septal cartilage, Crible lamellar
Crible lamellar, Septal cartilage
Hard palate, Septal cartilage, Crible lamellar
7. គ៝កំណឝ់ Acute bacterial rhinosinusitis កាលណាមានរយ:ព៝ល:
ឝិចជាង 4 អាទិឝ្យ
ចន្លោះពី 4 អាទិឝ្យ ទៅ 12 អាទិឝ្យ
ចន្លោះពី 12 អាទិឝ្យ ទៅ 52 អាទិឝ្យ
ច្រើនជាង 52 អាទិឝ្យ
8. គ៝កំណឝ់Chronic bacterial rhinosinusitis កាលណាមានរយ:ព៝ល:
ឝិចជាង 4 អាទិឝ្យ
ចន្លោះពី 4 អាទិឝ្យ ទៅ 12 អាទិឝ្យ
ចន្លោះពី 12 អាទិឝ្យ ទៅ 52 អាទិឝ្យ
ច្រើនជាង 52 អាទិឝ្យ
9. Chronic rhinosinusitis មានរោគសញ្ញាជាច្រើនលើកលែងឝែមួយដែលមិនមែនគឺ:
Headache
Nasal congestion
Vertigo
Post nasal drip
Facial pain
10. Nasal polyp គឺជា:
Chronic inflammation របស់ ethmoid sinus, bilateral
Chronic inflammation របស់ ethmoid sinus, unilateral
Acute inflammation របស់ ethmoid sinus, bilateral
Acute inflammation របស់ ethmoid sinus, unilateral
Acute inflammation របស់ nasal cavity
11. រូបសណ្ឋានរបស់ nasal polyp មានដូចឝាងក្រោម:
Mass មួយ bilateral; translucid or gelactineuse ក្នុង nasal cavity
Mass មួយ unilateral ; translucid or gelactineuse ក្នុង nasal cavity
Mass មួយ unilateral ; color red ក្នុង nasal cavity
Mass មួយ unilateral ; Ulcerant ក្នុង nasal cavity
12. គ៝ធ្វើ classification របស់ nasal polyp ជាប៉ុន្មានStages:
2 stages
3 stages
4 stages
5 stages
6 stages
13. Epistaxis គឺជា :
ការហូរឈាមច៝ញឝាមច្រមុះ
ការហូរឈាមឝាមសួឝ ព៝លប្រឹងក្អក
ការហូរឈាមឝាមមាឝ់លាយអាហារ
ការហូរឈាមច៝ញឝាមច្រមុះ,ការហូរឈាមឝាមសួឝ ព៝លប្រឹងក្អក, ការហូរឈាមឝាមមាឝ់លាយអាហារ
14. Frontonasal duct opens into:
Inferior meatus
Superior meatus
Middle meatus
Inferior turbinate
15. Frontal sinus drain into:
Superior meatus
Middle meatus
Inferior meatus
Ethmoid recess
16. Paranasal sinus opening in middle meatus:
Maxillary, Anterior ethmoid and Frontal
Anterior ethmoid , Posterior ethmoid and Frontal
Posterior ethmoid, Maxillary and Sphenoid
Frontal, Maxillary and Sphenoid
17. All drains into middle meatus except:
Lacrimal duct
Maxillary sinus
Frontal sinus
Ethmoidal sinus
18. Bulla ethmiodalis is seen in :
Superior meatus
Inferior meatus
Middle meatus
Spheno ethmoidal recess
19. Sphenoidal sinus opens into:
Inferior meatus
Middle meatus
Superior meatus
Spheno ethmoidal recess
20. Opening of posterior ethmoid sinus is in :
Middle meatus
Superior meatus
Inferior meatus
None
21. Nasolacrimal duct opens into:
Superior meatus
Middle meatus
Inferior meatus
Sphenopalatine recess
22. Choana is:
Anterior nares
Posterior nares
Tonsils
Larynx
23. Which of the following bones do not contribute the nasal septum:
Sphenoid
Lacrimal
Palatine
Ethmoid
24. Quadrilateral cartilage is attached to all except:
Ethmoid
Vomer
Sphenoid
Maxilla
25. Osteomeatal complex (OMC) connects:
Nasal cavity with maxillary sinus
Nasal cavity with sphenoid sinus
The two nasal cavities
Ethmoidal sinus with ethmoidal bulla
26. Common cold is caused primarily by:
Viruses
Bacteria
Fungi
Allergy
27. In Allergic rhinitis nasal mucosa is
Pale and swollen
Pink and swollen
Atrophied
Bluish and atrophied
28. Most common sites of bleeding:
Woodruff plexus
Brown area
Littles area
Vestibular area
29. Woodruff plexus is seen at:
Antero-inferior part of superior turbinate
Middle turbinate
Posterior part of inferior turbinate
Anterior part of inferior turbinate
30. Little’s area is situated in nasal cavity in:
Anterio inferior
Anterio superior
Posterio inferior
Posterio superior
31. Main vascular supply of little’s area is all except:
Septal branch of superior labial artery
Nasal branch of sphenopalatine artery
Anterior ethnoidal artery
Palatal branch of sphenopalatine
32. Which artery does not contribute to little’s area:
Anterior ethmoidal artery
Septal branch of sphenoplatine
Sphenoplatine artery
Posterior ethmoidal artery
33. Most common cause for nose bleeding is:
Trauma to little’s area
V. aneurysm
Postero superior part of nasal septum
Hiatus-semilunaris
34. MC cause of epistaxis in 3 year old child:
Nasal polyp
Foreign body
Upper respiratory catarrh
Atrophic rhinitis
35. In a 5 year old child, most common cause of female the most common cause is:
Foreign body
Polyp
Atrophic rhinitis
Maggot’s
36. Recurrent epistaxis in a 15 year old female the most common cause is:
Juvenile nasopharyngeal fibroma
Rhinosporiodiosis
Foreign body
Hematopoietic disorder
37. Diagnosis nin a ten year old boy with recurrent expistaxis and a unilateral nasal mass is:
Antrochoanal polyp
Hemangioma
Angiofibroma
Rhinolith
38. Epistaxis in elderly person is common in:
Foreign body
Allergic rhinitis
Hypertension
Nasophryngeal carcinoma
39. Systemic cause of epistaxis are all except:
Hypertension
Anticoagulant treatment
Hereditary telengiectasia
Haemophilia
40. Source of epistaxis after ligation of external carotid artery is:
Maxillary ethmoidal artery
Greater palatine artery
Superior labial artery
Ethmoidal artery
41. If posterior epistaxis cannot be controlled, which artery is ligated:
Posterior ethmoidal artery
Maxillary artery
Sphenopalatine artery
External caroid artery
42. In case of uncontrolled epistaxis, ligation of internal maxillary artery is to be done in the:
Maxillary antrum
Pterygopalatine fossa
At the neck
Medial wall of orbit
43. Treatment of choice in correct epistaxis in a patient with hereditary hemotelangiectas is:
Anterior ethmoidal artery ligation
Septal dematoplasty
External carotid artery ligation
Internal carotid artery ligation
44. Which sinus is NOT a part of para nasal sinus?
Frontal
Ethmoid
Sphenoid
Pyriform
45. Sinus not present at birth is:
Ethmoid
Maxillary
Sphenoid
None
46. Maxillary sinus achieves maximum size at:
At birth
At primary dentition
At secondary dentition
At puberty
47. Which among the following sinuses is most commonly affected in a child:
Sphenoid
Frontal
Ethmoid
Maxillary
48. In acute sinusitis, the sinus most often involved in children is:
Maxillary
Sphenoid
Ethmoid
Spheniod
49. Sinusitis is least involved in:
Maxillary
Ethmoid
Frontal
Spheniod
50. Common organisms causing sinusitis:
Pseudomonas
Moraxella catarrhalis
Streptococcus pneumonia
Staph epidermidis
H.ingluenzae
51. Common organisms causing sinustitis:
Pseudomonas, Moraxella catarrhalis and Streptococcus pneumonia
Moraxella catarrhalis, Streptococcus pneumonia and Staph epidermidis
Streptococcus pneumonia, Pseudomonas and H.ingluenzae
Staph epidermidis , Streptococcus pneumonia and H.ingluenzae
H.ingluenzae, Moraxella catarrhalis and Streptococcus pneumonia
52. Which one is not the physiology of the pharynx?
Conduct of air and food
Propeller of food (swallowing)
Resonance and speech
Taste
Hearing
53. The pharynx have
Nasopharynx and oropharynx.
Nasopharynx and hypopharynx.
Nasopharynx, oropharynx and hypopharynx
Oropharynx and hypopharynx.
Nasopharynx, oropharynx , laryngopharynx and hypopharynx.
54. The Eustachian tubes open into the lateral wall of
Nasopharynx
Oropharynx.
Hypopharynx.
Nasopharynx, Oropharynx
Nasopharynx, Oropharynx and Hypopharynx.
55. The palatine tonsils are in the
Nnasopharynx.
Oropharynx
Hypopharynx.
Nnasopharynx, Oropharynx
Nnasopharynx, Oropharynx and Hypopharynx.
56. Waldeyer’s Ring is in the
Nasopharynx and oropharynx
Nasopharynx, oropharynx and hypopharynx.
Nasopharynx and hypopharynx.
Hypopharynx.
Hypopharynx and oropharynx.
57. Acute tonsillitis is an infection
On the surface of the tonsil or the crypts or substance of the tonsils
Only on the surface of the tonsil.
Only the crypts.
Only substance.
Only the crypts and Only substance.
58. Etiology of acute tonsillitis :
Common bacteria and other
Only bacteria
Only virus
Allergy
Fungus
59. The treatment of acute tonsillitis with the cause of bacteria:
Come to the health center
Monitor at home; gargle with salt water
Drink a lot of water
Try to work hard
Drink a lot of water and Try to work hard
60. Which one is not the symptom of acute tonsillitis?
Sudden occurrence
It can appear chilly
High fever, headach
The patient shows acute faces
Anorexic, weakness, constipation
61. Which one is not the local symptoms of acute tonsillitis?
Pharyngalgia
Can arouse dysphagia and usually refer to the ears
In children the hypertrophic tonsil can arouse dyspnea
Sudden occurrence
The patient shows acute faces
62. Which one is not the differential diagnosis of acute tonsillitis?
Pharyngeal diphtheria
Vincent’s angina
Hypoleukocytic angina
Acute otitis media
Hyper trophic tonsil
63. Which one is not the local tonsillitis complication?
Acute nephritis
Peritonsillar abscess (Quinsy)
Acute otitis media
Acute rhinosinusitis
Acute laryngitis
64. General tonsillitis complication:
Acute rheumatism , acute nephritis
Peritonsillar abscess
Acute otitis media
Acute rhinosinusitis
Acute laryngitis
65. Which one is not the tonsillitis complication?
Acute rheumatism
Peritonsillar abscess
Acute otitis media
Acute rhinosinusitis
Acute hepatitis
66. The treatment acute tonsillitis :
Oral intake
Adequate rest, gargle saline
Analgesics
Antibiotics (a 10 days course and enough dosage)
All are corrects
67. Chronic tonsillitis is
Persistent inflammation of the tonsils as a result of recurrent acute or subclinical infection
Sudden infection on the surface of the tonsil.
Hypertrophic tonsils.
Hypotrophic tonsils.
Hypertrophic tonsils and Hypotrophic tonsils.
68. Etiology of chronic tonsillitis :
Common bacteria and other
Only bacteria
Only virus
Allergy
Fungus
69. Which one is not the symptom of chronic tonsillitis?
Recurrent sore throats
Malaise
Joint pain
Cervical lymphadenopathy
Red swollen tonsils
70. Which one is not the sign of chronic tonsillitis?
Covered by some degree of debris or purulent wihin tonsillar crypts
Tonsilar hypertrophy or sunken atrophic tonsils.
Some purulent run out the crypts when pushing the tonsil with a spatula
The tonsillar pillars may show signs of scarring or chronic inflammation
Recurrent sore throats
71. The diagnosis of chronic tonsillitis base on :
Medical history
Local examination
Medical history and Local examination
Laboratory
Imagery investigation
72. Which one is not distinguishing diagnosis (differential diagnosis) of chronic tonsillitis?
Physiological tonsillar hypertrophy
Kkeratinization of tonsil
Tumor of tonsil
Peritonsillar abscess
73. Which one is not the complication of chronic tonsillitis?
Pulmonary tuberculosis
Rheumatic or renal disorders
Acute otitis media
Acute rhinosinusitis
Peritonsillar abcess
74. The treatment of chronic tonsillitis :
Oral intake, adequate rest
Analgesics
Antibiotics
Tonsillectomy
All are corrects
75. Peritonsillar abscess occur in patients with
Recurrent tonsillitis or those with chronic tonsillitis that has been inadequately treate
Recurrent rhinitis.
Recurrent otitis medi
Recurrent pharyngitis.
Recurrent sinusitis.
76. Peritonsillar abscess it is usually
Unilateral and most frequently affects adult males
Bilateral
Bilateral and most frequently children
Bilateral and in the hot season
Bilateral and in the cold season
77. Which one is not the symptom of peritonsillar abscess?
Extreme unilateral soreness of the throat
Deviation of the uvula to the normal side
Odynophagia ,drooling
Drooling (saliva dribbles from the mouth)
Otalgia
78. Which one is not the sign of peritonsillar abscess?
Edema of the soft palate
Displaces the tonsil medially forward and downward
Deviation of the uvula to the normal side
Extreme unilateral soreness of the throat
Bulge of the soft palate
79. Which one should not recommend for treatment peritonsillar abscess?
Intravenous antibiotics (large doses)
Needle aspiration (formed pus), incision drainage
Incision drainage
Tonsillectomy (after 8 weeks)
Only rest at home
80. Which one is not the indication of tonsillectomy?
Repeated attacks (5 infections/ a year).
One attack of peritonsillar abscess.
Purulent material in the crypts of the tonsils
Acute tonsillar inflammation
Tonsillar hypertrophy causes the sleep apnoea syndrome
81. Which one is not the contraindication of tonsillectomy?
Respiratory tract infection or acute tonsillar inflammation.
Bleeding disorder or clotting problem.
Uncontrol hypertension
During menses or 3 day before menses
One attack of peritonsillar abscess
82. Which one is not the local symptom of adenoid hypertrophy?
Chronic nasal obstruction: mouth breathing, snore
Recurrent rhinitis and sinusitis, nasal discharge serous
Recurrent otitis media, nasal tone and toneless.
Adeniod Face
Eating slowly
83. Which one is not the general symptom of adenoid hypertrophy?
Eating slowly
Malnutrition reaction bluntness
Unconcentration
Enuresis (bed-wetting )
Adeniod Face
84. For diagnosis of adenoid hypertrophy base on?
Adenoid face
High arching of the palate
Palpation
X-ray, CT
All are corrects
85. The treatment of adenoid hypertrophy :
Medical
Surgery
Medical and Surgery
No answer
86. Etiology of pharyngitis :
Viruses
Bacteria
Fungus
Industrial or atmospheric pollution , heavy smokers or drinkers
Gastroesophageal reflux , allergen
All are correct
87. Acute pharyngitis is usually resulted from
Acute tonsillitis.
Acute rhinitis.
A part of an upper respiratory tract infection.
Acute tonsillitis, Acute rhinitis and a part of an upper respiratory tract infection
Acute otitis media
88. Which one is not the symptom of chronic pharyngitis?
A raw , dry, uncomfortable
Painful throat
Feeling a foreign body in throat
A dry cough
Otalgia
89. Which one is not the symptom of chronic pharyngitis?
A raw, dry, uncomfortable
Painful throat
Feling a foreign body in throat
A dry cough
Slight red and swelling pharynx
90. Which one is not the symptom of chronic pharyngitis?
Posterior wall thick with islands of hypertrophied lymphoid follicles
Painful throat
Feeling a foreign body in throat
A dry cough
A raw, dry, uncomfortable
91. Which one is not the sign of chronic pharyngitis?
A normal-looking pharynx
Slight red and swelling pharynx
A posterior wall thick with islands of
Hypertrophied lymphoid follicles
Feeling a foreign body in throat
92. Which one should not recommend for chronic pharyngitis treatment?
Avoidance of tobacco and constant irritation
Antihistamines
Antiviral medication
Tranquilizer
Digestive
93. For diagnosis of carcinoma of nasopharynx base on :
Medical history
Careful examination
Biopsy of nasopharynx
Medical history , Careful examination and Biopsy of nasopharynx
Blood test
94. Which one is not the physiology of nasopharynx?
Protection of lower airways
Phonation
Respiration
Fixation of the chest
Hearing
95. Sign of acute laryngitis?
Hoarseness
Cough
Fever
Malaise
True vocal cord swelling
96. Which one should not recommend for treatment of acute laryngitis?
Voice rest
Mucolytic
Anticold
+/- Antibiotic
Surgery
97. Which one is not the symptom of acute laryngotracheobronchitis (CROUP)?
Barking cough
Stridor
Exhausted
Lying down
Narrowing of subglottis
98. Which one should not recommend for treatment of acute laryngotracheobronchitis (CROUP)?
Admit
Humidification, hydration, O2
Antibiotic , steroid
Intubation
Only rest at home
99. Sign of acute epiglottitis?
Early URI symptoms
Children > change very fast 6-12 hr.
Fever
Pain in throat
Epiglottis >swelling,inflamation
100. Pathogen of epiglottitis?
Adenovirus
Morexella catarrharis
Staphylococcus
Streptococcus pneumoniae
H. Influenza type B
101. Which one should not recommend for treatment of epiglottitis?
Admit, closed monitoring, prepare for intubation
Broad spectrum penicillin
Hydration, humidification
Steriod
Only rest at home
102. External ear has
Auricle and external auditory canal
Tympanic membrane
Tympanic cavity
Semicircular canals
Cochlea
103. Middle ear has
Vestibule
Cochlea
Semicircular canals
Mastoid air cell system
Pinna
104. External Auditory Canal:
A - 2.5 cm long
B - Outer 2/3 is cartilaginous
C - Inner 1/3 is bony
D - 1.5 cm long
E - 3.5 cm long
105. Tympanic membrane has
A - Size 10mm (supero- inferior), 8 mm (antero- posterior)
B - Tympanic sulcus
C - Pars tensa ↔ above anterior & posterior malleolar folds
D - Pars flaccida ↔ below anterior & posterior malleolar folds
106. Contents of the Middle ear cavity
3 ossicles, 2 nerves, 2 muscles
2 ossicles, 2 nerves, 2 muscles
3 ossicles, 1 nerve, 2 muscles
3 ossicles, 2 nerves, 3 muscles
3 ossicles, 3 nerves, 2 muscles
107. Eustachian Tube
3.2cm
4.5cm
2.6 cm
3.6cm
1.5 cm
108. Middle ear cavity communicates with inner ear through
3 ways: oval window, round window, Eustachian tube
2 ways: round window, Eustachian tube
2 ways: oval window, round window
1 way: oval window
2 ways: oval window, Eustachian tube
109. Chronic otitis media
Otitis media > 2 months
Otitis media > 3 months
Otitis media > 1 month
Otitis media > 4 months
110. All routes of spread of infection in complication of chronic otitis media except:
Natural communication
Direct erosion of bone
Abnormal preformed pathways
Vascular channels
Tympanic membrane perforation
111. Highest incidence of acute otitis media
6 to 24 months of age
1 to 6 months of age
2 to 4 years of age
4 to 8 years of age
8 to 12 years of age
112. The ear has
2 parts external ear and inner ear
3 parts external ear, middle ear and inner ear
only part of cartilage
only part of bone
No contact with facial nerve
113. Inner ear has
Eustachian tube
Mastoid air cell system
Vestibule
Tympanic membrane
Pinna
114. Tympanic membrane has
3 layers for pars tensa
2 layers for pars tensa
1layer
4 layers
115. Nerve supply tympanic membrane
Nerve IX and X
Nerve VI
Nerve VII
Nerve VIII
Nerve XI
116. Tympanic cavity has
3 parts
2 parts
4 parts
5 parts
117. Eustachian tube
Anterior part of tympanic cavity
Posterior part of tympanic cavity
Superior part of tympanic cavity
Inferior part of tympanic cavity
Medial part of tympanic cavity
118. Bony Fallopian canal of facial nerve
Posterior part of tympanic cavity
Superior part of tympanic cavity
Medial part of tympanic cavity
Inferior part of tympanic cavity
Anterior part of tympanic cavity
119. Mastoid antrum
Depth 1.5cm
Depth 2 cm
Depth 3 cm
Depth 4 cm
Depth 1 cm
120. Bony cochlea (coiled tube)
2.5 turns
1.5 turns
3 turns
4.5 turns
4 turns
121. Semicircular canals has
4
5
2
3
6
122. Base of the cochlea (basal turn) corresponds to
Anterior part of tympanic cavity
Posterior part of tympanic cavity
Superior part of tympanic cavity
Inferior part of tympanic cavity
Medial part of tympanic cavity
123. All risk factors for acute otitis media except:
Age
Breast feeding
Tobacco smoke and air pollution
Pacifier use
egg
124. Fissure of santorini is
Defect in bony portion of EAC
Defect in cartilaginous portion of EAC
Defect in the floor of middle ear
Defect in posterior wall of middle ear
Defect in superior wall of middle ear
125. Pinna is made up of
Elastic Cartilage
Hyaline Cartilage
Fibrous Cartilage
A combination of Hyaline and Fibrous cartilage
A combination of Hyaline and Elastic cartilage
126. The nerve supply of posterior wall of External auditory canal is:
Auriculotemporal branch of mandibular nerve
Auricular branch of vagus nerve
Both of the above
None of the above
facial nerve
127. Nerve supply for external ear are all except:
Trigeminal nerve
Greater auricular nerve
Auriculotemporal nerve
Lesser occipital nerve
128. All of the following nerves supply Auricle and External meatus except:
Trigeminal nerve
Greater auricular nerve
Auditory nerve
Vagus nerve
129. What is the color of the normal tympanic membrane?
Pearly white
Grey
Yellow
Red
130. Pars Flaccida of the tympanic membrane is also called
Reissner’s membrane
Sharpnell’s membrane
Basilar membrane
Secondary tympanic membrane
131. Anterior wall of tympanic cavity contain:
Promontory
Bony part of pharyngotympanic tube
Processus cochleariform
Pyramid
Tensor tympani muscle
132. Eustachian tube has a key role in middle ear infections in children because it is:
Shorter
Wider
Horizontal
All of are correct
133. Cone of light is seen in
Anterio superior quadrant
Anterio inferior quadrant
Posterio superior quadrant
Posterio inferior quadrant
134. The promontory of the middle ear is formed by:
Apical turn of cochlea
Basal turn of cochlea
Lateral semicircular canal
Posterior semicircular canal
135. Eustachian tube opens in:
Anterior wall of middle ear
Posterior wall of middle ear
Lateral wall of middle ear
Medial wall of middle ear
136. Otomycosis is caused by:
Aspergillus niger
Candida albicans
Mucor
Aspergillus niger, Candida albicans
137. Most common causative organism for acute otitis media is:
Staphylococcus pyogenes
Hemophilus influenzae
coli
Streptococcus pneumonia
138. Cholesteatoma is:
Benign tumour of middle ear
Malignant tumour of middle ear
Keratinising stratified squamous epithelium of middle ear cleft
Non Keratinising stratified squamous epithelium of middle ear cleft
139. Commonest cause of chronic otitis media is:
Streptococcus
Staphylococcus
Pneumococcus
Pseudomonas
140. Chorda tympani carries taste sensation from:
Posterior 1/3 of tongue
Anterior 2/3 of tongue
Anterior ½ of tongue
Posterior ½ of tongue
141. Commonest ossicle involved in chronic suppurative otitis media is
Malleus
Incus
Stapes
Malleus and Incus
142. Lobule of ear is supplied by
Auriculotemporal nerve
Greater auricular nerve
Lesser occipital nerve
None of the above
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