2. Ask your doctor which medicines you should take on the morning of the test. Take them with a small amount of water. 3. Do not drink coffee, tea, and soda or eat chocolate for 12 hours before the test. 4. The test takes a total of 3-4 hours.Bring a snack such as a bagel or donut.5.. Ask your doctor which medicines you should take on the morning of the test. Take them with a small amount of water. 3. Do not drink coffee, tea, and soda or eat chocolate for 12 hours before the test. 4. The test takes a total of 3-4 hours.
Update: Hearing aids are still expensive; however, what you pay is determined by the variety of hearing aid manufacturers your hearing healthcare provider supports as well as the severity of your hearing loss. Prices range from $250 to almost $7,000.
Of course, the price of the batteries is going to vary depending on where you purchase them. Considering the average price for hearing aid batteries in a retail store, here is a breakdown of what you can expect to spend on batteries for two hearing aids per size:Size 10: an average of $150/year. Size 312: an average of $80/year. Size 13: an average of $50/year. Size 675: an average of $30/year.If battery size and cost is important to you then you want to be sure to discuss this with your Audiologist when purchasing hearing aids. Be aware that the smaller the hearing aid is, the smaller and more costly the batteries will be.he reason for that is the digital processing that is taking place in a hearing aid is much more complex than that of a watch. Assuming the hearing aids are being worn 14-16 hours/day, the lifespan of a hearing aid battery will depend on a few factors: 1  The size of the battery. 2  The processing of the hearing aid.