AUDIO Theory Exam A – AUD-ENG-EXM-A-22 Copy

Electro-acoustic calibration is done annually by an audiometrist:

If the electro-acoustic calibration certificate is displayed in the clinic, there is no need for the electro-acoustic calibration information to recorded on the audiogram:

Circular Instruction 171 contains the tables to calculate the percentage loss of hearing (PLH) on audiograms:

The purpose of audiometry in the workplace is to monitor hearing loss:

All equipment must be checked daily prior to use to verify correct functioning:

The suitability of the test environment should be determined before use:

Headsets / resonators can be used with any audiometer as long as they fit:

A baseline audiogram must be preceded by a period of at least 16 hours of no exposure to noise levels greater than 85 dB(A):

A thorough history from the worker will assist in the interpretation of the audiogram:

Periodic audiometry conducted every 12 months is required for workers exposed to
industrial noise of _______dB(A)?

A baseline audiogram should be performed within 30 days of:

The criteria for an entry audiogram includes the following:

Which of the following statements does not fit? A normal tympanic membrane is:

A normal audiogram is an audiogram where all the hearing threshold levels are:

The criteria for a periodic audiogram includes the following except:

Identify the pattern of hearing loss in this audiogram:

The hearing conservation program should be reviewed at 2 yearly intervals or as soon as there has been a significant change in:

Which shape and colour represents the recording of left ears hearing threshold levels on the graph of the audiogram?

The hearing threshold levels for a moderate hearing loss is:

The following medication can have ototoxic effects except:

A Temporary Threshold Shift (TTS) can be caused by exposure to loud noise (equal to or greater than 85 dB(A)) and is tested in workers straight after exposure at work:

The unit of measurement for frequency is dB:

Legislation plays no role in day to day industrial audiometry:

Electro-acoustic calibration can be done by any service provider:

The findings of the otoscopic examination must be recorded on the audiogram:

The 3 small bones found in the middle ear are called …:

Electro-accoustic calibration should be performed on mobile audiometers every 3 months:

Calibration of audiometer and headset/resonator is essential to ensure accurate and valid audiometry results:

The latest electro-acoustic calibration information must be electronically printed on
the audiogram only:

Copies of all legislation related to occupational audiometry should be kept in a file in the clinic for easy access:

An otoscopic examination must be performed before the audiogram is done:

Earphones can be placed and / or repositioned by the worker to ensure a comfortable fit:

Electro-acoustic calibration should be performed on mobile audiometers at least every 6 months and every time they move:

All calibration records must be kept for at least 30 years according to South African law:

A detailed history of acute and chronic medical conditions should done before performing an audiogram:

The past occupational history does not need to be investigated before an audiogram is done:

A manual audiogram commences at the following frequency:

When performing a manual audiogram, if the worker responds to the sound or tone presented, you (the audiometrist) will:

The correct sequence of testing during manual audiometry for frequency (Hz) is as follows:

Mr X does not have a copy of his baseline audiogram. His PLH after his audiogram today is 11.3%. What is his PLHS from baseline?

A mild hearing loss is classified as having a hearing threshold level of between:

A manual audiogram ends at a frequency which has already been tested what is the reason for this and what is the cut off value:

If an audiogram is done resulting in a PLH of 10% and the Baseline PLH is 4.3% what is the PLHS:

The criteria for a baseline audiogram includes all the following except:

Periodic audiometry performed six (6) monthly is required for all workers exposed to noise equal to or greater than _________dB(A)?

The PLH (on all audiograms) is calculated by using the hearing threshold levels from the following frequencies:

The noise free period for a diagnostic audiogram is:

A periodic audiogram is performed six (6) monthly for the first 3 years then if the hearing is stable (no PLHS) the audiogram is performed annually for employees exposed to noise equal to or greater than ________?

The criteria for an exit audiogram is:

Identify the pattern / configuration of this audiogram:

The treatment of the following chronic conditions can cause damage to hearing:

The following conditions cause sensori–neural hearing loss except:

When the PLHS is 10% or more from baseline, the management includes all of the following except:

If the diagnostic audiogram confirms a PLHS of less than 30% the worker must be referred to:

If the noise in a certain area exceeds the noise rating level of 85dB(A) then the company should:

When the PLHS is 6.4% the following actions (management) should occur except:

The cost of hearing protective devices (HPD) should be deducted from the worker’s salary:

Audiometry can be done anywhere, as long as the worker being tested is placed inside an audiometric booth:

A new person (subject) can be used each week when biological calibration is done:

A normal tympanic membrane (ear drum) is red:

Regulation 839 (Milestone testing) only applies to the mining sector:

The unit of measurement for amplitude is……

It is necessary to clean and disinfect all audiometry equipment once a week

The following conditions can cause conductive hearing loss except:

Which is the least effective method of preventing or controlling hearing loss caused by industrial noise above 85 dB(A)?

Using the list below select ALL the criteria for a “type 4” audiometer

Before starting an audiogram, it is necessary to prepare the worker for the test by instructing the worker on what to do, indicate which should be included:

In the picture above is the tympanic membrane (ear drum) normal or abnormal:

Using the audiogram provided, interpret the audiogram:

Using the picture provided. Identify 4 things that would make this audiogram an invalid test?

The criteria for a milestone baseline is: