1. Which of the following tests is used to detect middle ear fluid?
A. Otoacoustic emissions (OAE)
B. Tympanometry ✅
C. Pure tone audiometry
D. Auditory brainstem response (ABR)
Answer: B
Rationale: Tympanometry measures middle ear pressure and compliance, helping detect fluid or effusion.
2. A patient has a ‘V’-shaped audiogram with a dip at 4 kHz. What is the most likely cause?
A. Otitis media
B. Noise-induced hearing loss ✅
C. Meniere’s disease
D. Otosclerosis
Answer: B
Rationale: A 4 kHz dip is a hallmark sign of noise-induced sensorineural hearing loss.
3. Which frequency range is most important for understanding speech?
A. 125–250 Hz
B. 250–500 Hz
C. 500–2000 Hz ✅
D. 6000–8000 Hz
Answer: C
Rationale: Frequencies between 500–2000 Hz are critical for speech intelligibility.
4. Which test assesses outer hair cell function in the cochlea?
A. ABR
B. OAE ✅
C. Tympanometry
D. Rinne test
Answer: B
Rationale: Otoacoustic emissions test cochlear (outer hair cell) integrity.
5. A child with speech delay should first be evaluated for:
A. Behavioral issues
B. Vision problem
C. Hearing loss ✅
D. Neurological condition
Answer: C
Rationale: Hearing loss is a common and primary cause of speech delay.
6. In conductive hearing loss, which result is expected?
A. Elevated bone and air thresholds equally
B. Normal tympanometry
C. Air-bone gap on audiogram ✅
D. Absent OAEs
Answer: C
Rationale: Conductive hearing loss shows a significant air-bone gap on the audiogram.
7. Which cranial nerve is primarily tested during ABR testing?
A. CN V
B. CN VI
C. CN VII
D. CN VIII ✅
Answer: D
Rationale: ABR evaluates the auditory nerve (CN VIII) and auditory pathways.
8. A tympanogram shows a flat Type B curve. What is the likely cause?
A. Normal middle ear
B. Eustachian tube dysfunction
C. Middle ear fluid ✅
D. Ossicular discontinuity
Answer: C
Rationale: Type B (flat) tympanogram indicates middle ear effusion or fluid.
9. In newborn hearing screening, which test is commonly used?
A. PTA
B. Rinne
C. OAE ✅
D. Tone decay test
Answer: C
Rationale: OAEs are fast, non-invasive, and widely used in neonatal hearing screening.
10. What is the function of the stapedial reflex?
A. Improves speech clarity
B. Equalizes pressure
C. Protects inner ear from loud sounds ✅
D. Assists cochlear function
Answer: C
Rationale: The stapedial reflex reduces the transmission of loud sound to the cochlea.
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