Ear Flashcards
The footplate of the stapes attaches to the:
Oval window
The first step in the hearing process involves sound waves vibrating the:
tympanic membrane
Which of the following detects angular acceleration (rotational movement)?
cristae ampullaris
Which of the following is NOT a part of the pinna (auricle)?
Umbo
Which ossicle of the middle ear is the smallest bone in the human body?
stapes
The facial nerve (VII) passes through which wall of the middle ear?
medial wall
The cone of light on the tympanic membrane is typically seen:
anteroinferior to the umbo
The middle ear communicates with the nasopharynx via the:
eustachian tube
The external auditory meatus composed of:
cartilage in the lateral third and bone in the medial two-thirds
Which cranial nerve innervates the inner surface of the tympanic membrane?
glossopharyngeal nerve (IX)
The maculae, sensory receptors for head position and linear acceleration, are located in the:
saccule and utricle
This bony labyrinth of the inner ear is filled with?
perilymph
The stapedius muscle is innervated by which cranial nerve?
facial nerve (VII)
Which of the following is NOT an ossicle of the middle ear?
Hyoid
The Organ of Corti, responsible for hearing, is located in the?
cochlea
