Download BL 232 Hearing and Equilibrium (Lab) Practice Exam 2026 Guide and more Exams Human Physiology in PDF only on Docsity!
Practice Exam 2026 Guide
- Outer ear consisting of the pinna and the external auditory canal
- Pinna(auricle) entire outside part
- External acoustic canal
- Lobule the bottom piece
- Tympanic membrane blue arrow
- Middle ear the chamber between the eardrum and cochlea that has the bones and auditory tube
Practice Exam 2026 Guide
- ossicles
- Malleus hammer, connects directly to the tympanic membrane
- Incus anvil, black arrow
- Stapes stirrup, green arrow
- Auditory tube
Practice Exam 2026 Guide
- bony labyrinth the hard shell surrounding the entire thing, has peri- lymph fluid inside
- Membranous labyrinth soft shell, has endolymph inside
- Vestibulocochlear nerve(VIII)
- Cochlear nerve branch for hearing
- Vestibular nerve branch for balance
- Vestibular apparatus the entirety of the circled area
Practice Exam 2026 Guide
- Semicircular canals Rings
- Semicircular ducts The clear section, has endolymph inside
- Semicircular ducts The thin blue section
- Ampulla light blue bulb
- Cristae ampullaris Inside the ampulla, the hill that goes up (has the star)
Practice Exam 2026 Guide
- Saccule Purple arrow (think "south")
- Utricle Red arrow (think "up")
- Maculae Inside the Utricle and saccule
- Maculae what is this in histology?
Practice Exam 2026 Guide
- Otolithic membrane Red highlighted area
- Otolithic membrane Green arrow, the white area
- otoliths Green highlighted area
- Otoliths Blue arrow, the pink little dots
- (maculae) hair cells Blue highlighted area
- (Maculae) hair cells White arrow, all of the cells in this layer
Practice Exam 2026 Guide
- Cochlear duct(scala media)
- Cochlear duct(scala media)
- Vestibular membrane
- Vestibular membrane
- Basilar membrane
Practice Exam 2026 Guide
- Basilar membrane Black arrow(without the O), flat pink layer
- Spiral organ(Organ of corti)
- Organ of corti The entirety of the specific area being pointed at
- Tectorial membrane
- Tectorial membrane Blue arrow
Practice Exam 2026 Guide
- Barany test Which test do you spin in a chair to test vestibular ocular reflex and see if someone has nystagmus? (Nys- tagmus is a normal response, NO nystagmus is an abnormality)
- Involuntary rapid eye movement What is nystagmus?
- Romberg test What test is used to check for equilibrium/balance by having the patient close their eyes and stand still?
- Vestibular duct (Scala vestibuli), Tympanic duct (Scala tympani), in- side bony labyrinth
- Cochlear duct (Scala media), inside membranous labyrinth
- Potential conductive (loud) or sen-
What areas of the inner ear contain perilymph?
What areas of the inner ear contain endolymph?
What does it mean if someone does the weber test and sorineural (quiet) hearing loss, need one ear hears the frequency louder/quieter than the to preform the Rinne test to deter- mine which.
other?
Practice Exam 2026 Guide
- Conductive hearing loss in the ear, need to test other ear if it is the same.
- Normal hearing, need to test both ears and preform the weber test again to rule out if it sensorineural.
- To check if the patient has sen- sorineural hearing loss. This would be indicated by uneven hearing when preforming the weber test af- ter no abnormalities with the Rinne test
What does it mean on a Rinne test if the sound you hear when you touch the bone is louder than when it is in front of the ear?
What does it mean on a Rinne test if the sound you hear when you touch the bone is quieter than when it is in front of the ear?
After conducting a Rinne test with no abnormalities, you perform the weber test again to check what?
