Mid sem quiz 103 BED Spl. 1

What is the most common cause of sensorineural hearing loss?

• a) Earwax blockage
  
  
  

• b) Infection in the middle ear

• c) Damage to the inner ear or auditory nerve

• d) Age-related hearing loss

Which of the following is a common sign of conductive hearing loss?

• a) Difficulty understanding speech in noisy environments
  
  
  

• b) Ringing or buzzing in the ears

• c) Gradual loss of hearing with age

• d) Ear pain or pressure

What is the purpose of cochlear implants in treating hearing loss?

• a) Amplify sound waves
  
  
  

• b) Replace the damaged ear drum

• c) Stimulate the auditory nerve directly

• d) Clean the ear canal

How can noise-induced hearing loss be prevented?

• a) Using cotton swabs to clean the ears
  
  
  

• b) listening to music at high volume with headphones

• c) Wearing ear protection in loud environments

• d) Ignoring ear pain and discomfort

Which part of the eye is responsible for controlling the amount of light that enters the retina?

• a) Cornea

• b) Lens

• c) Retina

• d) Iris