MCQ Quiz

1. The main functions of the ear are:

Hearing and balance

Speech and vision

Balance and smell

Hearing and taste

Explanation:
The ear is responsible for hearing and balance; hearing is essential for language development. :contentReference[oaicite:0]{index=0}

2. Absence of hearing since birth most likely results in:

Normal speech with delay

No speech development

Only mild learning difficulty

Isolated tinnitus

Explanation:
Congenital deafness leads to absent speech, developmental delay, and psychosocial issues. :contentReference[oaicite:1]{index=1}

3. Which is a normal finding on otoscopic examination of the tympanic membrane?

Bulging membrane

Retraction pocket

Cone of light in the lower anterior quadrant

Opaque white membrane

Explanation:
A normal tympanic membrane is pearly gray with a visible cone of light anteriorly. :contentReference[oaicite:2]{index=2}

4. Vertigo is best defined as:

Sensation of rotation while still

Lightheadedness on standing

Loss of consciousness

Ear pain with discharge

Explanation:
Vertigo is a false sensation of movement or spinning even when the patient is still. :contentReference[oaicite:3]{index=3}

5. Microtia is characterized by:

Acquired infection of the pinna

Malignant ear tumor

Inner ear malformation

Congenital malformation of the external ear

Explanation:
Microtia is a congenital deformity of the external ear and may cause conductive hearing loss. :contentReference[oaicite:4]{index=4}

6. The most common organisms causing diffuse otitis externa are:

Streptococcus pneumoniae

Staphylococcus aureus and Pseudomonas aeruginosa

Mycobacterium tuberculosis

Candida albicans only

Explanation:
Diffuse otitis externa is commonly caused by S. aureus and Pseudomonas species. :contentReference[oaicite:5]{index=5}

7. Malignant otitis externa is most commonly seen in:

Young swimmers

Children with URTI

Elderly diabetic patients

Pregnant women

Explanation:
Malignant otitis externa occurs mainly in elderly diabetics and immunocompromised patients. :contentReference[oaicite:6]{index=6}

8. The main causative organism of malignant otitis externa is:

Staphylococcus epidermidis

Proteus mirabilis

Candida species

Pseudomonas aeruginosa

Explanation:
Pseudomonas aeruginosa is the primary pathogen causing malignant otitis externa. :contentReference[oaicite:7]{index=7}

9. The main treatment of perichondrial hematoma is:

Urgent incision and drainage

Topical antibiotics only

Observation

Radiotherapy

Explanation:
Auricular hematoma requires urgent drainage to prevent cartilage necrosis and cauliflower ear. :contentReference[oaicite:8]{index=8}

10. Cauliflower ear results from:

Chronic otitis media

Untreated perichondrial injury

Wax impaction

Eustachian tube dysfunction

Explanation:
Cauliflower ear is a permanent deformity due to cartilage damage after hematoma or infection. :contentReference[oaicite:9]{index=9}

11. Acute otitis media typically shows which tympanic membrane finding?

Retracted TM

Normal TM

Red and bulging TM

Dry perforation

Explanation:
Acute otitis media presents with a red, bulging tympanic membrane. :contentReference[oaicite:10]{index=10}

12. Otitis media with effusion causes:

Sensorineural hearing loss

Vertigo only

Severe ear pain

Conductive hearing loss

Explanation:
Middle ear effusion interferes with sound conduction, causing conductive hearing loss. :contentReference[oaicite:11]{index=11}

13. Otosclerosis most commonly affects which ossicle?

Stapes

Incus

Malleus

Promontory

Explanation:
Otosclerosis mainly involves the footplate of the stapes, leading to conductive hearing loss. :contentReference[oaicite:12]{index=12}

14. Noise-induced hearing loss typically affects which frequency?

1000 Hz

4000 Hz

8000 Hz

250 Hz

Explanation:
Noise-induced sensorineural hearing loss characteristically affects 4000 Hz. :contentReference[oaicite:13]{index=13}

15. The most common cause of sensorineural hearing loss in elderly patients is:

Ototoxic drugs

Vestibular schwannoma

Presbyacusis

Otosclerosis

Explanation:
Presbyacusis is age-related sensorineural hearing loss and is the most common cause in elderly patients. :contentReference[oaicite:14]{index=14}

16. The commonest cause of peripheral vertigo is:

Meniere’s disease

Vestibular neuritis

Acoustic neuroma

Benign paroxysmal positional vertigo

Explanation:
BPPV is the most common cause of peripheral vertigo due to canalithiasis. :contentReference[oaicite:15]{index=15}

17. Meniere’s disease is caused by:

Endolymphatic hydrops

Ossicular fixation

Cochlear nerve tumor

Middle ear effusion

Explanation:
Meniere’s disease results from increased endolymph within the inner ear. :contentReference[oaicite:16]{index=16}

18. Which investigation is subjective and requires patient cooperation?

OAE

Pure tone audiogram

ABR

CT temporal bone

Explanation:
Pure tone audiometry depends on patient response and is a subjective test. :contentReference[oaicite:17]{index=17}

19. Otoacoustic emission (OAE) testing is best used for:

Adult hearing assessment only

Middle ear pathology

Neonatal hearing screening

Tinnitus evaluation

Explanation:
OAE is an objective test ideal for hearing screening in newborns and children. :contentReference[oaicite:18]{index=18}

20. The best time to screen infants for congenital deafness is:

At 6 months of age

At 1 year of age

During preschool years

Before discharge after birth

Explanation:
Early screening before hospital discharge allows prompt detection and intervention. :contentReference[oaicite:19]{index=19}

Medicine 2# Ear Diseases