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DHA Audiologist - Reviews


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See why our users from 154 countries love us for their exam prep! Including 185 reviews for the DHA Audiologist exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

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DHA Audiologist - Test Reviews Sample Questions

Generating a referral to an Ear, Nose and Throat Specialist and/or a Neurosurgeon would be appropriate as an option to remove a large tumor which is likely to cause disruptions to hearing and balance. Symptoms of a (an) ____________ include hearing loss, balance problems, and facial palsy being the strongest indicative of this type tumor. 

Correct Answer:
acoustic neuroma.
the correct answer to the question is **acoustic neuroma**. here's an expanded explanation of why this is the correct answer:

an acoustic neuroma, also known as vestibular schwannoma, is a non-cancerous tumor that develops on the vestibulocochlear nerve (cranial nerve viii), which connects the inner ear to the brain. this nerve is responsible for transmitting sound and balance information from the inner ear to the brain. acoustic neuromas typically grow slowly and originate from the schwann cells that form the protective sheath around nerve fibers.

the typical symptoms associated with an acoustic neuroma arise as the tumor presses against the nerve and nearby structures within the confined space of the internal auditory canal. the most common symptom is unilateral (one-sided) or asymmetrical hearing loss, which occurs gradually and is often accompanied by tinnitus, which is a ringing or buzzing sound in the ear. as the tumor grows, it can also affect the facial nerve (cranial nerve vii), leading to facial palsy or weakness on the same side as the tumor. additionally, as the balance portion of the vestibulocochlear nerve is impacted, individuals may experience balance problems, often described as vertigo or unsteadiness, particularly tilting or falling towards the side of the tumor.

diagnosis of an acoustic neuroma is typically done using hearing tests followed by imaging studies such as magnetic resonance imaging (mri), which provides a detailed image of the brain structures and can confirm the presence of a tumor in the internal auditory meatus at the brain stem.

management of an acoustic neuroma depends on several factors including the size of the tumor, the age and overall health of the patient, and the severity of the symptoms. treatment options include monitoring the tumor with regular imaging studies, surgical removal, and radiosurgery. the decision on the appropriate course of action is typically made by a team that can include an ear, nose, and throat (ent) specialist and/or a neurosurgeon, as these professionals are skilled in the complexities of the cranial structures and the delicate surgery that may be required.

in this context, generating a referral to an ent specialist and/or a neurosurgeon is indeed appropriate for the management of an acoustic neuroma, given the potential need for surgical intervention and the specialized care required to address the symptoms and complications associated with this type of tumor.

Which of the following is NOT part of the outer ear?

Correct Answer:
pars flaccida.


the outer ear, also known as the auricle or pinna, is primarily composed of cartilage and skin and is the most visible part of the ear. its main functions include capturing sound waves and funneling them into the ear canal, where they travel to the eardrum. the outer ear is made up of several specific anatomical structures, each contributing to its overall function. these include the helix, antitragus, concha, and intertragal notch.

the helix is the prominent rim of the outer ear. it is the folded-over outer edge that extends from the top and curves downward to where it connects just above the earlobe. the helix helps in collecting and directing sound waves into the ear canal.

the antitragus is a small bump opposite the tragus, located above the earlobe. this structure also plays a role in helping to collect sound waves and direct them into the ear canal.

the concha is the deep, bowl-shaped cavity at the opening of the ear canal. it plays a significant part in gathering sound energy and funneling it into the ear canal. the shape and depth of the concha are crucial for the sensitivity and directionality of hearing.

the intertragal notch is the small notch or indentation between the tragus and the antitragus. while it does not have a direct acoustic function, it forms part of the distinctive anatomy of the outer ear, contributing to the overall structure and appearance.

in contrast, the pars flaccida is not part of the outer ear. it is a section of the tympanic membrane, commonly known as the eardrum, which is located in the middle ear. the pars flaccida is situated at the upper part of the eardrum and is comparatively slack compared to the rest of the tympanic membrane. this segment of the eardrum plays a role in equalizing pressure within the middle ear, which is crucial for proper hearing function.

therefore, when considering which of the listed options is not part of the outer ear, the correct answer is the pars flaccida. unlike the helix, antitragus, concha, and intertragal notch, which are integral parts of the outer ear's structure, the pars flaccida is an essential component of the middle ear's anatomy.