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Flashcards in Unit 4 Deck (178)
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150

Name the feature, which transmits the endolymphatic duct.

Vestibular aqueduct

151

How many openings from the semicircular canals to the vestibule?

Five

152

The membranous labyrinth composed of_____ and _____.

Communicating sacs and ducts

153

The vestibular labyrinth contains two small communicating sacs which are known as_____ and _____.

Utricle
Saccule

154

Name the spiral thickening of the periosteal lining of the cochlear canal, which secures the cochlear duct to the spiral canal of the cochlea.

The spiral ligament

155

Name the feature where the semicircular ducts open through openings.

The utricle

156

Name the feature where the endolymphatic duct arises.

Utricosaccular duct

157

Name the feature which connects the saccule to the cochlear duct, as a uniting duct.

Ductus reuneins

158

The primary sensory neurons of the cochlear ampulae are in _____ ganglia, which are in the internal acoustic meatus.

Vestibular

159

The cochlear duct is a spiral tube, which is firmly suspended across the cochlear canal between the _____ on the external wall of the cochlear canal and the osseous spiral lamina of the modiolus respectively.

Spiral ligament

160

Name the feature of the semilunar communication at the apex of the cochlea between two perilymph-filled spiral canals.

Helicotrema

161

Waves of hydraulic pressure created in the perilymph of the vestibule by the vibration of the base of the stapes ascend to the apex of the cochlea through the _____.

Scala vestibule

162

Waves of hydraulic pressure pass through the apex of the cochlear and then descend back to the basal turn of the cochlea through _____ .

Scala tympani

163

Name the receptor organ of auditory stimuli.

Spiral organ of Corti

164

The receptor organ of auditory stimuli is situated on the _____.

Basilar membrane

165

The receptor organ of auditory stimuli is overlaid by _____.

Gelatinous tectorial membrane

166

Untreated auricular hematoma might result in the _____ or ____.

Cauliflower ear
Boxer's ear

167

How do you pull the helix to observe the adult’s tympanic membrane for the otoscopic examination?

Posterosuperiorly (up, out and back)

168

An earache and a bulging red tympanic membrane may indicate a sign of _____

Otitis media

169

Infection of the mastoid antrum and mastoid cells from a middle ear infection might cause inflammation of the mastoid process known as _____.

Masoiditis

170

Paralysis of the stapedius is associated with excessive acuteness of hearing called _____ or _____.

Hyperacusis
Hyperacusia

171

The hyperacusis results from uninhibited movements of the _____.

Stapes

172

Motion sickness results from discordance between ______ and _______ stimulation.

Vestibular
Visual

173

The aqueous humor drains directly into the:
A. Sclera venous sinus.
B. Limbal plexus.
C. Vorticose veins.
D. Anterior ciliary veins.

A. Sclera venous sinus

174

The retinal detachment usually results from the fluid accumulation between ___ and ___ layers of the retina.

Neural layer
Pigment layer

175

The papilledema results from increased intracranial pressure through the subarachnoid space around the optic nerve. True/False

True

176

Horner syndrome results from interruption of ________________.

A cervical sympathetic trunk

177

The Honer syndrome includes all of the following, EXCEPT
A. miosis.
B. ptosis.
C. vasodilation.
D. hydrosis.

D. Hydrosis