BIOD 152 AP2 LAB 1 PORTAGE
LEARNING TEST PAPER 2026
COMPLETE QUESTIONS WITH
VERIFIED ANSWERS
◉ function of pacinion corpuscles. Answer: detect high-frequency
vibrations, deep/transient pressure
◉ function of spiural organ of corti. Answer: converts mechanical sound
vibrations into electrical nerve impulses via hair cells bending
◉ location of spiral organ of corti. Answer: within scala media (cochlear
duct) of inner ear
◉ function of Cristae ampullaris. Answer: sensory receptors for rotation
(dynamic equilibrium)
◉ location of Cristae ampullaris. Answer: within ampulla of each of the
three semicircular canals in the inner ear
◉ function of Ossicles (malleus, incus, stapes). Answer: amplify sound
by vibrating to increase pressure applied to oval window
◉ locatyion of Ossicles (malleus, incus, stapes). Answer: middle ear
(tympanic cavity within temporary bone, between eardrum and inner
ear)
, ◉ function of Pharyngotympanic (eustachian) tube. Answer: normally
closed, but open during swallowing/yawning to balance middle ear
pressure
◉ location of Pharyngotympanic (eustchian) tube. Answer: in upper
throat behind nasal cavity
◉ function of Semicircular canals. Answer: detect rotational
acceleration, balance, spatial orientation
◉ location of Semicircular canals. Answer: within bony labyrinth of
inner ear's temporal bone
◉ function of auricle. Answer: collecting sound waves and directing
them into external auditory canal
◉ function of External auditory canal. Answer: transmits sound waves
from auricle to tympanic membrane (eardrum), provides protections,
amplifies sound
◉ function of tympanic membrane. Answer: converts sound waves into
mechanical vibrations to transmit to middle ear ossicles
LEARNING TEST PAPER 2026
COMPLETE QUESTIONS WITH
VERIFIED ANSWERS
◉ function of pacinion corpuscles. Answer: detect high-frequency
vibrations, deep/transient pressure
◉ function of spiural organ of corti. Answer: converts mechanical sound
vibrations into electrical nerve impulses via hair cells bending
◉ location of spiral organ of corti. Answer: within scala media (cochlear
duct) of inner ear
◉ function of Cristae ampullaris. Answer: sensory receptors for rotation
(dynamic equilibrium)
◉ location of Cristae ampullaris. Answer: within ampulla of each of the
three semicircular canals in the inner ear
◉ function of Ossicles (malleus, incus, stapes). Answer: amplify sound
by vibrating to increase pressure applied to oval window
◉ locatyion of Ossicles (malleus, incus, stapes). Answer: middle ear
(tympanic cavity within temporary bone, between eardrum and inner
ear)
, ◉ function of Pharyngotympanic (eustachian) tube. Answer: normally
closed, but open during swallowing/yawning to balance middle ear
pressure
◉ location of Pharyngotympanic (eustchian) tube. Answer: in upper
throat behind nasal cavity
◉ function of Semicircular canals. Answer: detect rotational
acceleration, balance, spatial orientation
◉ location of Semicircular canals. Answer: within bony labyrinth of
inner ear's temporal bone
◉ function of auricle. Answer: collecting sound waves and directing
them into external auditory canal
◉ function of External auditory canal. Answer: transmits sound waves
from auricle to tympanic membrane (eardrum), provides protections,
amplifies sound
◉ function of tympanic membrane. Answer: converts sound waves into
mechanical vibrations to transmit to middle ear ossicles
