Key words

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Instruction

Some of the key words used in this module are explained below. You can print these to use as you work through the module:

Audiometer – Hearing test device used to measure hearing.

Hearing test device with dials, buttons and headphones attached. One headphone is red for the right ear and one headphone is blue for the left ear.

Audiometry – A test where a person wears headphones and listens for different sounds to check how well they can hear. If there is any hearing loss, the results show the level of loss.

A person wears headphones. The person has their hand raised. A health worker stands behind the person holding a tablet audiometer.

Eardrum (tympanic membrane) – A thin layer of tissue that separates the outer and middle ear and protects the middle ear from infection.

The ear canal leads to the eardrum (tympanic membrane). The eardrum separates the outer and middle ear.

Foreign body – Unwanted object that is stuck in a body part but should not be there. For example, a grain of sand under the eye lid or an insect in the ear canal.

Insect inside person’s ear canal.

Frequency – Frequency is how many times a sound wave moves up and down in one second. There are different types of sound including deeper sounds (low frequency) such as a drum and sharper sounds (high frequency) such as a whistle. Frequency is measured in Hertz (Hz).

Hearing aid – A device worn on the ear by people who have difficulty hearing. Hearing aids make some sounds louder so that a person with hearing loss can listen, communicate, and participate more fully in daily activities.

Hearing aid has plastic case and ear hook attached to ear mould.

Otoscope – Magnifier tool with a light used to visually inspect a person’s ear.

Otoscope with handle at one end and pointed speculum and torch at the other end.

Personnel – People who work in a service or organization. Includes people who have had training in a specific health related field who may not have a professional qualification.

Speculum – Removable tip of otoscope, which goes inside the person’s ear.

Three plastic cones. Wide end attaches to otoscope. Narrow end with hole in three different sizes to fit inside a person’s ear canal.

Instruction

If you find other words that you are not familiar with, ask a colleague or your mentor.