Which of the following statements best describes the economy of the thirteen English colonies in North America in the 17th and 18th centuries?

Short answer:  What were the main social groups in colonial American society?  What were the different kinds of work that people did in the rural areas (the country) and in the urban areas (the cities)?  

Which of the following is the most reasonable target value for aided speech intelligibility index (SII) in hearing aid fittings?

How close to the eardrum should the probe microphone sit for good quality probe-microphone measures?

Frequency lowering techniquesWhich of the following takes the high-frequency range of an input signal, cuts it and pastes it in a lower frequency range, mixed in with the existing low frequency information?

Frequency lowering techniquesWhich of the following takes the high-frequency range of an input signal and shortens the bandwidth into a smaller target range but does not mix in with the existing low frequency information?

CASE 2 Patient Profile: A 45-year-old with unilateral severe hearing loss in one ear and normal hearing in the other. Experiences difficulty localizing sounds. General Medical History: Excellent health, no chronic illnesses. Otologic History: No history of ear surgeries or infections. Unilateral hearing loss since birth. Audiometric Profile: Severe hearing loss in the left ear (PTA 80 dB HL) and normal hearing in the right ear (PTA 10 dB HL). WORD REC IN QUIET is 12% for the left ear, and 100% for the right ear. Family and Social Context: Married with children. Active in community events and meetings. Physical Functioning and Manual Dexterity: No physical limitations. Good manual dexterity. Fitting ranges all.JPG What receiver strength would you recommend in your amplification arrangement? Choose based on your response to the previous question.

Which of the following manufacturers uses a frequency transposition strategy for frequency lowering? Choose one option even if multiple apply.

CASE 1Patient Profile: A 68-year-old individual with bilateral sensorineural hearing loss. No contraindications to ear mold.General Medical History: Generally healthy, managed hypertension and diabetes.Otologic History: No history of ear infections or surgeries. Gradual onset of hearing loss over the past 10 years.Audiometric Profile: Bilateral FLAT sensorineural hearing loss with a pure-tone average (PTA) of 60 dB HL in both ears. Speech discrimination score (WORD REC IN QUIET) is 50%, bilaterally.Family and Social Context: Retired, lives with a spouse. Enjoys social gatherings with family and friends.Physical Functioning and Manual Dexterity: Good physical health and manual dexterity. Able to handle and maintain hearing aids.What coupling would you recommend?

CASE 4Patient Profile: A 25-year-old with conductive hearing loss due to chronic ear infections. No improvements with medical management. Normal hearing in the contralateral ear.General Medical History: Overall good health.Otologic History: Ongoing and persistent chronic ear infections in the affected ear since childhood. Active drainage persists, bilaterally.Audiometric Profile: Conductive hearing loss in the left ear (AC PTA 40 dB HL; BC PTA is 10 dB HL) due to chronic ear infections. Normal hearing (PTA 10 dB HL) in the right ear. 100% word recognition, bilaterally.Family and Social Context: Young adult with many friends, attends university in Master of Arts program. Active in intramural sports (tennis) and extracurricular activities (volunteer at local animal shelter).Physical Functioning and Manual Dexterity: Good overall health and manual dexterity.What side(s) would you aid?