Head and Neck Final

.A condition of increased pressure in the eyeball that can lead to blindness, best describes

.A condition of increased pressure in the eyeball that can lead to blindness, best describes

glaucoma

Sound waves ultimately are are dissipated into the air of the tympanic cavity via the

round window

Normal vision

emmetropia

Direction of flow of the sensory information through the eye

pigmented epithelium, cone/rod, bipolar neuron, ganglion cell, optic nerve fiber

Surface ectoderm

LEVEL (lens, eyelid's skin, vitreous, epithelium of cornea, lacrimal gland)

Neuro ectoderm

ROMES (retina, optic nerve, muscles of iris, epithelium of iris and ciliary body, secondary and tertiary vitreous)

Mesoderm

MESO (muscles, endothelium of blood vessels, sclera, ocular primary vitreous)

Lacrimal gland drains first into

Canaliculi

The anterior portion of the tympanic membrane is innervated by the:

Auricle branch of vagus

The tegman tympani is found on the ___ bone

Petrous portion of the temporal membrane

Farsighted is also known as

Hyperopia

The superior portion of the tympanic membrane is the

Pars Flaccida

Which of the following muscles helps to open eustachian tube

levator veli palatine

The anterior surface of the auricle receives its sensory nerve supply from

Auriculotemporal Nerve

Under the optic chasm

pituitary gland

What visual disturbance will happen if the pituitary adenoma is enlarged

disturbance of the optic chasm

Which of the following nerves provides sensory information from the face?

Trigeminal

The stapes connects directly to the _____ of the vestibule

Oval window

Lesion at optic chasm

lateral visual field loss

The utricle and the saccule are located in the

Vestibular Labyrinth

Which of the following is part of blood supply to the auricle?

Superficial temporal artery

Opacities seen in the lens that are commonly seen with diabetes and the elderly best describe:

Cataracts

Lymphatic drainage of the ear first passes to the:

Parotid

Which of the following nerves passes between the malleus and the incus?

Corda tympani

Sound waves ultimately are dissipated into the air of the tympanic cavity via the:

Round window

A patient with long term diabetes is experiencing blurry vision and floaters most likely has?

Diabetic retinopathy

What divides the external and middle ear?

Tympanic membrane

The organ of corti is located in the

Cochlear duct

Tarsal glands produce

lipid

Which of the cranial nerves enter the internal acoustic meatus?

7 and 8

The space directly superior to the malleolus, incus and steps is the:

Epitympanic Recess

The floor of the tympanic cavity is the:

Jugular Wall

Nearsighted is also known as?

Myopia

Which of the following covers over the top of the spiral organ corti?

tectorial membrane

A condition that includes, ptosis, miosis, and anhydrous, best describes:

Horner's syndrome

Hair cells in the maculae are innervated by the ______ nerve, and are responsible for balance

vestibular

The cochlea is responsible for:

hearing

The arteries of the eye are direct branches of the ______ artery?

ophthalmic (V1)

The superior oblique muscle of the eye is innervated by:

CN IV (trochlear)

Macula is always

temporal

CN 2 exits the eye at the:

Optic disc

Bilaterally small and irregular pupils that accommodate but do not react to light are commonly associated with syphilis:

Arygll Robertson's

Loss of elasticity of the lens due to aging best describes

presbyopia

If a patient presents with trouble swallowing and talking, you would like to evaluate which CN?

CN X (vagus)

The vascular layer of the eye includes which of the following

Ciliary body

Through the semitransparent tympanic membrane, you can see

Umbo

The most common reason for blindness in the elderly is

Macular Degeneration

The roof of the tympanic cavity is the:

Tegmental Wall

The scala vestibuli and cochlear duct are separated by the:

Vestibular Membrane

The muscular part of the eyelid is the:

Orbicularis oculi

Lateral rectus muscle of the eye is innervated by

CN VI (abducens)

Superior oblique muscle of the eye is innervated by

CN IV (trochlear)

medial rectus muscle of the eye

brings pupil medial

superior rectus muscle of the eye

brings pupil up

inferior rectus muscle of the eye

brings pupil down

superior oblique muscle of the eye

downward and outward movement

inferior oblique muscle of the eye

upward and outward movement

When looking to the left, you must contract your left lateral rectus and your right ____ rectus

Medial

The lateral rectus of the eye is innervated by

Abducens nerve (CN VI)

Superior wall of orbit ids made of which two bones?

Frontal and sphenoid

The supratrochlear nerve is one of the terminal branches of the

Frontal nerve

The outer layer of the eye is the:

Fibrous layer

The parasympathetic supply to the lacrimal gland comes from

Cranial nerve 7 (facial)

Which of the following covers over the superficial sclera

Bulbar conjunctiva

Which of the following is NOT found in the middle ear

Tragus

Arterial blood supply for the auricle

posterior auricle and superficial temporal arteries

parotid, mastoid, and superficial cervical lymph nodes all drain into

deep cervical lymph nodes

space above tympanic membrane

epitympanic space (recess)

nerves that go to the tympanic membrane?

facial and vestibulocochlear? (7&8)

Pars flaccida

superior to lateral process of malleus, thin membrane

Pars tensa

inferior, thick membrane, lacks radial and circular fibers

Tegmental Wall (roof)

formed by tegmen tympani, separates the tympanic cavity from the dura mater on the floor of the middle cranial fossa

lymphatic drainage of the pharyngotympanic tube drains into

deep cervical lymph nodes

base of the states fits into the

oval window

exact middle of the cochlea

helicotrema

contains canals for blood vessels and for distribution of the branches of the cochlear nerve

modiolus

inferior to oval window

round window

Round Window

featured in the cochlear aqueduct and closed by the secondary tympanic membrane

Hair cells

non-neuronal mechanoreceptors stimulated by the deflection of sensory hairs, or stereocilia

Hair cells in the maculae

are innervated by fibers of the vestibular nerve