...efficiency, or decreasing caloric absorption. Situation B: Debbie is a 40 year old slightly overweight woman with Type II diabetes. She has high blood pressure and chronic high blood sugar levels. Why did her primary care physician insist that Debbie visit an eye doctor even though Debbie has never worn glasses? (list at least 2 different disorders that may be involved). (2 pts) Debbie may have cataracts or glaucoma. Situation C: Ron is a 47 year old Army veteran with a hearing impairment. Consider the pathways of hearing and answer the following questions: 1. What are the two major categories of hearing loss? (include the structure impaired in each case) (2 pts) Conductive Hearing Loss ( inner ear- cochlea) and Sensorineural hearing losses (outter ear/ middle ear- external auditory canal/ auditory ossicles) 2. Describe how the Weber & Rinne tests work to differentiate these two disorders. (2pts) For Rinne: The doctor strikes a tuning fork and places it near the base of your...
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...Ear 1. The nurse is performing a voice test to assess hearing. Which of the following describes the accurate procedure for performing this test? A. Stand 4 feet away from the client to ensure that the client can hear at this distance. B. Whisper a statement and ask the client to repeat it. C. Whisper a statement with the examiners back facing the client D. Whisper a statement while the client blocks both ears. 2. During a hearing assessment, the nurse notes that the sound lateralizes to the clients left ear with the Weber test. The nurse analyzes this result as: 1. A normal finding 2. A conductive hearing loss in the right ear 3. A sensorineural or conductive loss 4. The presence of nystagmus 3. The nurse is caring for a client that is hearing impaired. Which of the following approaches will facilitate communication? 1. Speak frequently 2. Speak loudly 3. Speak directly into the impaired ear 4. Speak in a normal tone 4. The nurse has conducted discharge teaching for a client who had a fenestration procedure for the treatment of otosclerosis. Which of the following, if stated by the client, would indicate that teaching was effective? 1. “I should drink liquids through a straw for the next 2-3 weeks.” 2. “It’s ok to take a shower and wash my hair.” 3. “I will take stool softeners as prescribed by my doctor.” 4. “I can resume my penis lessons starting next week.” 5. A client arrives...
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...Ear Cropping Puppies Quick, think of a cute Doberman pinscher or Great Dane puppy. Now think of that same puppy under anesthesia. Next to a veterinarian who has a scalpel in their hand prepared to cut away the pinna, "the outer thin membranous part of each ear from the base, around the outside and up to the tip" (Admin, 2010). Imagine the thought that will run through that puppies mind when it wakes up confused and its ears in pain. The procedure just explained is ear cropping, preformed on many breeds of puppies aged 6-12 weeks. It is a purely cosmetic procedure endorsed by the American Kennel Club (AKC). The purpose of this paper is to explain why ear cropping is an unnecessary procedure done for selfish human pleasure. Soon after the American Veterinary Medical Association announced in 2008 "The AVMA opposes ear cropping and tail docking of dogs when done solely for cosmetic purposes. The AVMA encourages the elimination of ear cropping and tail docking from breed standards" (Nolen, 2008), the American kennel club...
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...The medical assistant is usually directed to perform an ear irrigation on a patient who may have a buildup of cerumen (earwax) in the ear that cannot be removed with a cotton-tipped swab. The swab may push the cerumen deeper into the ear canal, which may become lodged and hardened and making it feel uncomfortable in the individual’s ear, which may also impair their hearing. The irrigation is performed to remove the excessive amount of earwax. Periodically it may be necessary for the medical assistant to first insert a softening solution into the ear to soften the cerumen before starting the irrigation process. Auditory acuity is performed to test the patient’s ability of the ear to perceive sound. Auditory problems might be simple, but if...
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...Health assessment of the Ear. 1. List the 3 function of the middle ear: conducts sound vibrations from the out ear to the central hearing apparatus in the inner ear. It protects the inner ear by reducing the amplitude of loud sounds. 2. Contrast 2 pathways of hearing bone conduction - conduction of sound waves to the inner ear through the bones of the skull. air conduction - conduction of sound waves to the inner ear through the external auditory canal and middle ear. 3. Differentiate among the types of hearing loss and give examples: Conductive hearing loss involves a mechanical dysfunction of the external or middle ear. It may be caused by impacted cerumen, foreign bodies, a perforated tympanic membrane, pusor serum in the middle ear, otosclerosis. Sensorineural loss signifies pathology of the inner car, cranial nerve VIII, or the auditory areas for the cerebral cites. It may be caused by presbycusis, a gradual nervedegeneration that occurs with aging and by ototoxic drug. 4. Relate the difference that places the infant at greater risk for middle ear infections. The infant's Eustachian tube is shorter and wider its position is more horizontal so it is easier for pathogens from the nasopharynges to migrate through to the middle ear. 5. Describe the whisper voice test of hearing acuity. • Test one ear at a time while masking hearing in the other ear to prevent transmission around the head. • Placing one finger on the tragus and rapidly pushing it in and...
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...Good for your ears, the purpose of life Good Ear (The Organ columnist) Did you hear something? Maybe the sound you heard was a humming bird singing a tune. Or maybe it was loud, like a drummer banging to the beat. The magnificent sounds of life are wonderful at least for now. I can hear everything around me since my name is Mr. Good Ears. With all of this being said, I am outraged by the way you young rock stars take me for granted. Just because I am small in size and appear to sit around all day doing nothing doesn’t mean I have no purpose in life. You see, for the last 14 years, I have been on your left and right side of your face. Every day of my life that I can remember, I’ve had to sit through all the physical and verbal abuse that you jerk like to call music. I just want to tell you that as an ear; I do have many purposes in life. In case you guys don’t know, sounds are everywhere, and you jerks have two cool parts on your body that let you hear them all: me, your ears? I am made up of three different parts: the outer ear, the middle ear, and the inner ear. I am in charge of collecting sounds, processing them, and even sending the sound waves to my neighbor your brain. My outer ear called the pinna is the part of me that people can see. It’s the part that you rock stars use to put holes in me. Another words, it’s what people pierce to wear earrings and what your friend whispers into when it’s time for a secret. Eyeglasses also...
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...1. The middle ear contains three tiny bones known as the ossicles: malleus, incus, and stapes, which transfer the vibrations of the eardrums into waves in the fluid and membranes of the inner ear. They directly convert the sound energy from the ear drum to the oval window of the cochlea by use of vibration of amplified pressure waves. The ear drum merges to the malleus which is connected to the incus, which connects to the stapes. The Stapes has a footplate that introduces pressure waves into the inner ear, and then the steady increase in volume is determined by frequency of the waves. The incus receives vibrations from the malleus; which it is connected laterally, and transmits these to the stapes, medially. The malleus receives vibrations from the tympanic membrane and transmits this to the incus. Each bone works chronologically in order to pick up the vibrations and the frequency of the waves so that sound can be analyzed. 2....
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...Real Ear Measurements….Do I Need This? Absolutely. If you currently wear hearing aids or are thinking about getting them, you need to know about Real Ear Measurements (REM). It is the main difference between being happy with your hearing aids or still struggling to hear the people and sounds you love. The size and shape of each person’s ear canal is unique to them, like a fingerprint. Recognized as part of the “Gold Standard” of Hearing Care, Real Ear Measurements use a probe tube and a data driven method to confirm that the hearing aid matches the unique “fingerprint” of each person’s ear. It takes extra time, but doing it the right way assures the patient that their hearing aids are delivering maximum benefits, without being too loud...
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...Abstract Skin diseases on the external aspect of the ear are seen in a variety of medical disciplines. Dermatologists, othorhinolaryngologists, general practitioners, general and plastic surgeons are regularly consulted regarding cutaneous lesions on the ear. This article will focus on those diseases wherefore surgery or laser therapy is considered as a possible treatment option or which are potentially subject to surgical evaluation. Anatomical characteristics When evaluating skin lesions on the ear, specific anatomical peculiarities should be considered. The outer ear consists of the skin bearing external ear canal and the auricle. Both are of elastic cartilage covered with skin. It is attached to the periost and poorly vascularised. The epidermis on the concave aspect lies on a very thin subcutis which is strongly attached to the auricular cartilage. In contrast the convex aspect of the outer ear has a thicker subcutis with a stronger layer of subcutaneous fat which causes a certain laxity and displaceability compared to the concave side. An additional anatomical uniqueness is the high concentration of holocrine ceruminal glands in the skin of the external ear canal. The cerumen may mask existing diseases of the skin in the entrance of the external ear canal. In case of a ceruminal obstruction, an adequate assessment of the external auditory meatus should be done only after cleaning, which may demask existing dermatosis. The auricle is susceptible to environmental...
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...English 4 3 December 2017 Dog Care: Ear Mites and Ear infections The article mainly talks about how to diagnosis, prevent, and the dangers of ear infections and ear mites. Ear infections in dogs are very similar to ear infections in humans. If the infection goes without treatment for a long period of time it can and will cause hearing loss. To know if your dog has an ear infection it will appear with yellow discharge and will be irritated, when the ear is touched the dog will usually whine because of the pain. Another way to tell if the dog has an infection, they will frequently shake their head and scratch at it as well. When the ear infection is caught it needs to be treated immediately and if not it may result in antibiotics or surgery. A way to prevent an ear infection is to keep the ears clean and healthy and when bathing you dog place cotton balls in the ear to make sure the ear stays dry and no water enters the ear....
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...it’s caused by heredity, old age and, over time, by exposure to loud noises such as technology devices and occupational hazards. Singularly, trauma to the ears can cause short term hearing loss due to disruption in conduction. Loud venues (concert), eardrum perforation, fluid in the inner ear and excessive earwax can all cause temporary deafness. (Mayo clinic website). There are 3 passageways for hearing conduction: the outer ear, the middle ear and the inner ear. Outer Ear The shape of the ear is designed specifically to direct sound waves. The outer ear is the part that can be externally visualized on the head, consisting of the concha (top curve of the ear), the pinna (lower trough of the ear) and the auditory canal. Sound waves travel through this anatomy and towards the tympanic membrane. (How Hearing Works printout) Middle Ear The tympanic membrane, or eardrum, vibrates upon reception of the sound and is picked up by the bones of the middle ear (incus, malleus and stapes) and those vibrations are amplified before transmittal to the inner ear where the cochlear fluids become stimulated. When a hearing loss is traced to this area of the ear, it’s conductive and can be corrected with a simple surgical procedure or placement of hearing aids. (How Hearing Works Printout) (Hearing Health Foundation Website) Inner Ear Inside the cochlea, specialized hair cells respond to any movement of the cochlear fluids. Sound is then converted via the hair cells and transferred to...
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...characteristic of a sound "that attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud" (amplitude). Volume- is the perception of loudness from the intensity of a sound wave. The higher the intensity of a sound, the louder it is perceived in our ears, and the higher volume it has. AMPLITUDE/INTENSITY Intensity - the measurable amount of a property, such as force, brightness, or a magnetic field. Amplitude- the maximum extent of a vibration or oscillation, measured from the position of equilibrium. OUTER/MIDDLE/INNER EAROuter Outer Ear- Outer ear collects sound. Sound travels through Oracle and auditory canal a short tube that ends at eardrum. Sound then travels to the middle ear and causes eardrum and ossicles in the middle ear to vibrate. as it travels it amplifies and changes from air to a liquid. The inner year when stape moves it pushes the oral window and moves to the cochlea, then cochlea takes fluid vibrations of the sounds and translates them into signals that are sent to the brain through cranial nerves seven and eight. * “Ear Lobe” * Ear canal Middle Ear * Tympanic Membrane * Ossicles (Malleus/Incus/Stapes) Inner Ear * Cochlea * Vestibule * Semicircular Canals * Vestibulocochlear nerve (CNVIII) PERIPHERAL vs. CENTRAL * Central Nervous System (CNS)-brain...
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...EXCEPTIONAL PERFORMANCE: High acoustic combination head and chestpiece DURABLE CONSTRUCTION: Stainless steel ear tubes and combination chestpiece PATIENT COMFORT: Dual non-chill rings provide a comfortable experience for patients COMFORTABLE FIT: Soft, comfortable silicone ear tips are used to create a complete acoustic seal, minimizing ambient noise LIGHTWEIGHT: Flexible PVC tubing is used in the standard single lumen design Product Description: Produce remarkably clear acoustics with Vive Precision’s stethoscope. The comfortable, lightweight Vive Precision stethoscope is a single lumen design with a durable stainless steel diaphragm for detecting high frequencies and a small bell for detecting low frequency and auscultatory sounds....
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...vibrates the little bones we call the hammer, anvil and the stirrup. This vibration is sent to the cochlea, which is shaped like a snail and filled with fluid. This fluid starts to ripple and the little hairs, located on the inner surfaces of the cochlea, detect the waves and transmit the electrical signals to the auditory nerve and on to the brain to be decoded resulting in hearing. The mechanics of the ear are much more complex than this description but you get the gist. Loud sounds, over time, causes the fine hairlike projections that are in the choclea to die and they do not regenerate so the hearing loss is permanent and irreversible. And sound itself is measured in decibles (or dB) and the common range is from 0 dB which is the threshold of hearing to 140 dB which is the sound of a jet taking off or a rock band. We've all used headphones at one time or another. Did you ever think about hearing loss due to your use of headphones? I know that I never did. But we know that heavy machine, lawn mower, and jackhammer operators all use foam earplugs in their ears to block the noise. According to the NIH, (National Institute on Deafness and Other Communication Disorders, Noise Induced Hearing Loss, NIH Pub. No. 14-4233, Updated March 2014) noise induced hearing loss (NIHL) can happen immediately or gradually over time. In order for you to loose your hearing immediately, you would have to be near or in near proximity to a gun shot or explosion. The more incideous...
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...communication, and learning. The earlier in a person’s life that they develop or have these impairments, the more serious the development of the person will be effected. In the same manner, the earlier that the problem is identified and intervention begun, the less serious the impact on that person’s development may be (American Speech Language Hearing Association, 2011). Hearing Impairments Hearing impairments are defined as the decreased ability to hear and differentiate sounds. This can range from mild hearing loss to total deafness (March of Dimes, 2010). Humans are able to hear sounds through the brains relationship with the ear. The outer ear absorbs sound waves that travel through the eardrum. These sound waves are then transferred to the middle ear before entering the cochlea. The cochlea is the main receptor organ for hearing and works with inner ear canals that assist with balance to hear and register sounds to the brain. Before an educator can differentiate or modify lesson plans they must first understand the basics of the impairment. The ability to hear sounds directly affects the ability to speak. If speech is affected then the ability to read and write will be affected because these skills are directly related to speech and learning. There are two main types of hearing loss. One is conductive hearing loss. This occurs when there are abnormalities of the...
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