Noise-Induced Hearing Loss Quiz

What is the main cause of noise-induced hearing loss (NIHL)?

• Excessive earwax buildup

• Damage to the delicate structures of the inner ear

• Middle ear infection

• Outer ear trauma

Which part of the ear contains the cochlea, responsible for transforming sound waves to electrical signals to the brain?

• Ear canal

• Middle ear

• Outer ear

• Inner ear

What does each increase of 10dB represent in terms of noise intensity?

• Fivefold increase

• Tenfold increase

• Twofold increase

• Threefold increase

What is the standard limit of noise level set by the International Maritime Organization?

• 90 dB

• 120 dB

• 100 dB

• 110 dB

What is tinnitus?

• Numbness in the ears

• Loss of balance

• Ringing or buzzing noise in one or both ears

• Blurred vision

What is the most common form of personal protective equipment to prevent auditory damage?

• Safety goggles

• Hard hats

• Earplugs

• Gloves

What can reduce noise levels in the engine room?

• Using metal materials

• Increasing the number of pumps

• Soundproofing the engine room

• Using louder machinery

What can prevent unnecessary noise in machinery?

• Regular maintenance

• Using old parts

• Ignoring maintenance

• Increasing the speed of machinery

Which of the following is a key component of a successful Behavioral-Based Safety (BBS) program?

• Strict disciplinary actions for non-compliance

• Employee observation and feedback

• Automated safety monitoring systems

• Focus solely on environmental factors

How does a well-implemented Behavioral-Based Safety (BBS) program impact an organization's safety culture?

• It has minimal impact as culture is primarily driven by regulations

• It enhances safety culture by promoting individual responsibility for safety

• It reduces the importance of safety culture by focusing only on behavior

• It shifts the focus from safety to productivity