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Ear Anatomy MCQ

Which of the following is NOT a boundary of the triangular fossa?

Inferior crura of the antihelix

Superior crura of the antihelix

Ascending portion of the helix

Helix

Answer

Correct Answer: Ascending portion of the helix

Note: This Question is unanswered, help us to find answer for this one

What is the Triangular Fossa?

A muscle

Part of the ear

The concavity bounded by the superior and inferior crura of the antihelix and the ascending portion of the helix.

A form of dance

Answer

Correct Answer: The concavity bounded by the superior and inferior crura of the antihelix and the ascending portion of the helix.

Note: This Question is unanswered, help us to find answer for this one

What is Scapha?

The study of sound

The smallest bone in the human body

The lowermost cartilage of the ear

The groove between the helix and the antihelix.

Answer

Correct Answer: The groove between the helix and the antihelix.

Note: This Question is unanswered, help us to find answer for this one

The earlobe is variable in size due to what reason?

On the anterosuperior border by the inferior border of the antitragus.

Bounded on its posterosuperior border by the end of the descending helix.

Due to the soft, fleshy, inferior part of the pinna.

It is highly variable in size and in the degree of attachment of the anteroinferior portion to the face.

Answer

Correct Answer: It is highly variable in size and in the degree of attachment of the anteroinferior portion to the face.

Note: This Question is unanswered, help us to find answer for this one

What is the earlobe?

A small cone-shaped muscle attached to the Eustachian tube.

The hard, bony, superior part of the pinna.

The soft, fleshy, inferior part of the pinna.

The area between the middle and inner ear.

Answer

Correct Answer: The soft, fleshy, inferior part of the pinna.

Note: This Question is unanswered, help us to find answer for this one

What is the average crus helix?

Extends about one third to one half the distance across the concha

Extends across the entire concha

Extends less than one third of the distance across the concha

Extends about one half to two thirds the distance across the concha

Answer

Correct Answer: Extends about one half to two thirds the distance across the concha

Note: This Question is unanswered, help us to find answer for this one

What is the synonym for crista helicis?

Posteroinferior direction

Extension into the cavity of the concha

Crus helix

Continuation of the anteroinferior ascending helix

Answer

Correct Answer: Crus helix

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The helix can be divided into approximately how many parts?

Answer

Correct Answer: 3

Note: This Question is unanswered, help us to find answer for this one

The Frankfurt Horizontal is used as the _____.

General horizontal plane of the head

Reference point for other planes and structures

Plane connecting the lowest point on the lower margin of each orbit

Highest point on the upper margin of the external auditory meatus

Answer

Correct Answer: General horizontal plane of the head

Note: This Question is unanswered, help us to find answer for this one

What is the fossa bisected by the crus helix called?

Cymba superiorly and cavum inferiorly.

The tragus and antihelix

The incisura and antitragus

The root of the helix and inferior crus of the antihelix

Answer

Correct Answer: Cymba superiorly and cavum inferiorly.

Note: This Question is unanswered, help us to find answer for this one

What is the anterosuperior cartilaginous protrusion lying between the incisura and the origin of the antihelix called?

Antihelix

Tragus

Antitragus

Anthelical

Answer

Correct Answer: Antitragus

Note: This Question is unanswered, help us to find answer for this one

What does the superior crus of the antihelix do?

Arises at the bifurcation of the antihelix

Separates the scapha from the triangular fossa

Is usually less sharply folded than the lower portion and inferior crus

Runs in a superior and slightly anterior direction

Answer

Correct Answer: Separates the scapha from the triangular fossa

Note: This Question is unanswered, help us to find answer for this one

What is the lower cartilaginous ridge arising at the bifurcation of the antihelix called?

Inferior Crus

Inferior Cartilage

Antihelix

Bifurcation

Answer

Correct Answer: Inferior Crus

Note: This Question is unanswered, help us to find answer for this one

What is the stem of the antihelix?

The part below the bifurcation

The part above the bifurcation

The part that branches to form the superior and inferior crura

The part that is gently curved

Answer

Correct Answer: The part below the bifurcation

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The antihelix ridge separates which three structures?

Cymba Concha, Helix, Scapha

Auricle, Pinna, Tragus

Lobe, Tragus, Helix

Concha, Triangular Fossa, Scapha

Answer

Correct Answer: Concha, Triangular Fossa, Scapha

Note: This Question is unanswered, help us to find answer for this one

What is the definition of prodromal?

Early symptoms that may indicate the onset of a condition or disease

An evaluation made to determine the cause of a person's symptoms

A permanent change to the structure of a gene

A group of conditions that share common features

Answer

Correct Answer: Early symptoms that may indicate the onset of a condition or disease

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What does the word "motile" mean?

Incapable of movement

Limited movement

Capable of movement

Always moving

Answer

Correct Answer: Capable of movement

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What does "suppurative" mean?

Related to the stomach

Relating to the skin

Containing or producing pus

Not able to heal

Answer

Correct Answer: Containing or producing pus

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What does purulent mean?

Contaminated

Disease-ridden

Containing pus

Clean

Answer

Correct Answer: Containing pus

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What is a sinus?

The base of the brain

A type of vein

A cavity in the body that is lined with mucous membrane and drains into the nose

A muscle

Answer

Correct Answer: A cavity in the body that is lined with mucous membrane and drains into the nose

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What is the function of the sinus?

To filter air

To produce mucus

To contain venous blood

To protect the brain

Answer

Correct Answer: To contain venous blood

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What is the medical term for pain in the ear?

Otalgia

Vertigo

Odynophagia

Emesis

Answer

Correct Answer: Otalgia

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What is the definition of "otalgia"?

Pain in the elbow

A condition characterized by muscle twitching

A disorder of the autonomic nervous system

Pain in the ear

Answer

Correct Answer: Pain in the ear

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What is Tinnitus?

A jingling; a ringing or buzzing in the ear

A disease of the kidney

A disease of the liver

A disease of the heart

Answer

Correct Answer: A jingling; a ringing or buzzing in the ear

Note: This Question is unanswered, help us to find answer for this one

What is aural fullness?

Feeling of pressure in the ear

Loudness of a sound

Pitch of a sound

Pain in the ear

Answer

Correct Answer: Feeling of pressure in the ear

Note: This Question is unanswered, help us to find answer for this one

What is cerumen?

A substance secreted by the adrenal gland

A type of white blood cell

A protein found in the outer ear

A waxy substance secreted by glands located throughout the external canal

Answer

Correct Answer: A waxy substance secreted by glands located throughout the external canal

Note: This Question is unanswered, help us to find answer for this one

What is rhinitis?

Inflammation of the nose

Inflammation of the brain

Inflammation of the throat

Inflammation of the lungs

Answer

Correct Answer: Inflammation of the nose

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What is the definition of "otorrhea"?

Footwear for the feet

Edema of the feet and legs

Spasmodic constriction of the vocal cords

Any discharge from the ear

Answer

Correct Answer: Any discharge from the ear

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What does distension mean?

Avoid

To come undone

A small container

Swell or cause to swell by pressure from inside

Answer

Correct Answer: Swell or cause to swell by pressure from inside

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What does epithelial tissue do?

It helps protect the body from infection.

It helps the body regulate temperature.

It covers the surfaces of the body, inside and out.

It produces hormones and enzymes.

Answer

Correct Answer: It covers the surfaces of the body, inside and out.

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What does the basilar membrane do?

Helps to produce sound

Runs the length of the ear canal

Runs the length of the cochlea in the inner ear and holds the auditory receptors, called hair cells.

Aids in hearing

Answer

Correct Answer: Runs the length of the cochlea in the inner ear and holds the auditory receptors, called hair cells.

Note: This Question is unanswered, help us to find answer for this one

What is the modiolus?

A muscle associated with the ear

The modiolus is a conical shaped central axis in the cochlea

The cartilage that stiffens the outer ear

The fleshy part of the outer ear

Answer

Correct Answer: The modiolus is a conical shaped central axis in the cochlea

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What does modiolus mean?

Conical shaped central axis in the cochlea

Conical shaped central axis in the ear

Central axis in the cochlea

Triangular shaped central axis in the cochlea

Answer

Correct Answer: Conical shaped central axis in the cochlea

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What is the scala tympani?

A duct in the inner ear

The outer ear

The eardrum

A muscle in the ear

Answer

Correct Answer: A duct in the inner ear

Note: This Question is unanswered, help us to find answer for this one

What is the smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear?

Cochlea

Vestibule

Utricle

Saccule

Answer

Correct Answer: Saccule

Note: This Question is unanswered, help us to find answer for this one

What is the utricle?

A type of cell found in the inner ear

The larger of two sacs within the membranous labyrinth of the vestibule in the inner ear

A structure in the brain

The smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear

Answer

Correct Answer: The larger of two sacs within the membranous labyrinth of the vestibule in the inner ear

Note: This Question is unanswered, help us to find answer for this one

What is the vestibule of the ear?

The area between the eardrum and the cochlea.

The area between the cochlea and the semicircular canals.

The area around the cochlea.

The area between the semicircular canals and the eardrum.

Answer

Correct Answer: The area between the cochlea and the semicircular canals.

Note: This Question is unanswered, help us to find answer for this one

What is the membraneous labyrinth?

A type of bacteria

A type of virus

Membrane-covered tubes inside the bony labyrinth

A type of fungus

Answer

Correct Answer: Membrane-covered tubes inside the bony labyrinth

Note: This Question is unanswered, help us to find answer for this one

What is the bony labyrinth?

A bone in the ear

A type of fish

A winding tunnel located in the inner ear.

A part of the brain

Answer

Correct Answer: A winding tunnel located in the inner ear.

Note: This Question is unanswered, help us to find answer for this one

What is exudate?

Another name for sweat

A virus

A type of bacteria

Fluid, such as pus, that leaks out of an infected wound

Answer

Correct Answer: Fluid, such as pus, that leaks out of an infected wound

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Transudative effusion is caused by an increase in intravascular hydrostatic pressure or a decrease in _____.

Capillary oncotic pressure

Arterial oncotic pressure

Venous hydrostatic pressure

Capillary hydrostatic pressure

Answer

Correct Answer: Capillary oncotic pressure

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What is the stapedius?

The muscle that controls the movement of the larynx

The muscle that controls the pupil of the eye

The smallest bone in the body

A middle-ear muscle that is attached to the stapes.

Answer

Correct Answer: A middle-ear muscle that is attached to the stapes.

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What is inserted on the handle of the malleus?

Stapes

Oval window

Incus

Tensor tempani

Answer

Correct Answer: Tensor tempani

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Which of the following is not a wall of the tympanic cavity?

Posterior wall

Jugular wall

Medial wall

Lateral wall

Answer

Correct Answer: Jugular wall

Note: This Question is unanswered, help us to find answer for this one

What is the definition of cranial fossae?

Bones of the cranium

Depression in the floor of the cranium where the spinal cord terminates

Air-filled spaces in the bones of the cranium

Depressions in floor of cranium on which the brain rests

Answer

Correct Answer: Depressions in floor of cranium on which the brain rests

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What does the petrous part enclose?

Frontal lobe

Temporal lobe

Parietal lobe

Structures of the inner ear

Answer

Correct Answer: Structures of the inner ear

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What is the stapes?

Stirrup; last of the three auditory ossicles of the middle ear

First of the three auditory ossicles of the middle ear

Malleus; first of the three auditory ossicles of the middle ear

Incus; middle of the three auditory ossicles of the middle ear

Answer

Correct Answer: Stirrup; last of the three auditory ossicles of the middle ear

Note: This Question is unanswered, help us to find answer for this one

What are the three tiny bones in the middle ear called?

Marrow

Ossicles

Spine

Ribs

Answer

Correct Answer: Ossicles

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What are ossicles?

The largest bones in the human body

The oldest bones in the human body

Bones that make up the skull

Three tiny bones in the middle ear

Answer

Correct Answer: Three tiny bones in the middle ear

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What is mastoiditis?

A disease caused by mastodon bites

A chronic inflammation of the mucous membrane

Inflammation of the mastoid bone

The study of masts and sails

Answer

Correct Answer: Inflammation of the mastoid bone

Note: This Question is unanswered, help us to find answer for this one

What is the Scapha of Ear?

A muscle that elevates the upper lip

The cartilage in the outer ear

Fossa between the inner and outer rims of the ear

A small bone in the ear

Answer

Correct Answer: Fossa between the inner and outer rims of the ear

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What is the scapha of the ear?

The muscle that controls the movement of the ear

The skin that covers the outer ear

The fossa between the inner and outer rims of the ear

The cartilage that forms the outer ear

Answer

Correct Answer: The fossa between the inner and outer rims of the ear

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What is the name for the cartilaginous ridge arising at the bifurcation of the antihelix?

Inferior helical crus

Superior helical crus

Crus helicis

Crus of the helix

Answer

Correct Answer: Inferior helical crus

Note: This Question is unanswered, help us to find answer for this one

What is the vagus nerve?

The tenth cranial nerve that innervates only the heart

The ninth cranial nerve that innervates digestive organs, heart and other areas

The eleventh cranial nerve that innervates digestive organs, heart and other areas

The tenth cranial nerve that innervates digestive organs, heart and other areas

Answer

Correct Answer: The tenth cranial nerve that innervates digestive organs, heart and other areas

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What is the pars tensa?

The area where the chorda tympani enters the tympanic cavity

The thin, lax, superior section of the tympanic membrane

The region just inferior to the handle of malleus

The thick, taut, central-inferior section of the tympanic membrane

Answer

Correct Answer: The thick, taut, central-inferior section of the tympanic membrane

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What is the thick, taut, central-inferior section of the tympanic membrane called?

Pars tensa

Pars flaccida

Incus

Malleus

Answer

Correct Answer: Pars flaccida

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What is the meaning of "pars flaccida"?

Long, flat muscle in the lower back

Inferior, narrow passage between the third and fourth ventricles of the brain

Large, taut, inferior section of tympanic membrane

Small, slack, superior section of tympanic membrane

Answer

Correct Answer: Small, slack, superior section of tympanic membrane

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What is the meaning of the word "malleus"?

Auditory

Hammer

Ossicles

First

Answer

Correct Answer: Hammer

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What is the Perichondrium?

Elastic cartilage of the epiglottis

Peripheral cartilage of the ear

A dense irregular connective tissue membrane that covers cartilage.

Costal cartilage of the ribs

Answer

Correct Answer: A dense irregular connective tissue membrane that covers cartilage.

Note: This Question is unanswered, help us to find answer for this one

What is the name of the small eminence located on the superior border of the lobe of the ear?

Tragus

Antitragus

Superiotragus

Antitlobe

Answer

Correct Answer: Antitragus

Note: This Question is unanswered, help us to find answer for this one

What is the Antitragus of ear?

A small eminence obliquely opposite the tragus. Located on the superior border of the lobe of the ear.

The point ofapproximation of the palpebral fissures when looking straight ahead.

The lower end of the earlobe.

The depression of the cheek just below the eye.

Answer

Correct Answer: A small eminence obliquely opposite the tragus. Located on the superior border of the lobe of the ear.

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What is the tragus?

Cartilaginous projection anterior to the external opening of the ear

Innermost layer of the skin

Largest bone in the human body

Outermost layer of the skin

Answer

Correct Answer: Cartilaginous projection anterior to the external opening of the ear

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What is the definition of "concha"?

The outer part of the ear

The concave shell of the ear; the deepest depression of the ear

A small hard candy

A type of pasta

Answer

Correct Answer: The concave shell of the ear; the deepest depression of the ear

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What is the antihelix?

The innermost part of the ear

The inner rim of the ear

The cartilage in the ear

The outermost part of the ear

Answer

Correct Answer: The inner rim of the ear

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What is the outermost curvature of the ear called?

Helix

Tragus

Cartilage

Ear lobe

Answer

Correct Answer: Helix

Note: This Question is unanswered, help us to find answer for this one

What is the tympanic membrane?

The outermost ear bone

The innermost ear bone

The small bone in the middle ear

Eardrum

Answer

Correct Answer: Eardrum

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What is Meatus?

Canal-like passageway

A type of bread

A narrow strip of water connecting two larger bodies of water

A small, landlocked country

Answer

Correct Answer: Canal-like passageway

Note: This Question is unanswered, help us to find answer for this one

What is a "meatus"?

A pasta dish

A canal-like passageway

A small mammal

The plural of

Answer

Correct Answer: A canal-like passageway

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What is the cartilaginous outside part of the ear called?

Tympanic membrane

Incus

Malleus

Pinna

Answer

Correct Answer: Pinna

Note: This Question is unanswered, help us to find answer for this one

What is the vestibular system responsible for?

Swallowing

Maintaining balance

Blinking

Breathing

Answer

Correct Answer: Maintaining balance

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Which of the following is NOT a symptom of enlarged vestibular aqueduct syndrome?

Children

Bony canal from medial faccial to the vestibule

Enlargement of the vestibular aqueduct

Unilateral hearing loss

Answer

Correct Answer: Unilateral hearing loss

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What is the vestibular aqueduct?

A passageway for blood vessels and nerves

The end of the spinal cord

The innermost part of the ear

A bony canal that goes from the medial faccial the vestibule outside the temporal bone

Answer

Correct Answer: A bony canal that goes from the medial faccial the vestibule outside the temporal bone

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Which of the following is not a part of the stapes?

Head

Base

Incus

Malleus

Answer

Correct Answer: Malleus

Note: This Question is unanswered, help us to find answer for this one

What is the third ossicle in the middle ear called?

Malleus

Base

Stapes

Incus

Answer

Correct Answer: Stapes

Note: This Question is unanswered, help us to find answer for this one

How many semicircular canal are present in human ear?

Two

One

Four

Three

Answer

Correct Answer: Three

Note: This Question is unanswered, help us to find answer for this one

What are the three canal of labirinth?

Semicircular canal

Horizontal

Inferior

Superior

Answer

Correct Answer: Semicircular canal

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What is the smaller of the two vestibular sacs called?

Cochlea

Sacculus

Utricle

Saccule

Answer

Correct Answer: Saccule

Note: This Question is unanswered, help us to find answer for this one

What is the Saccule?

The larger of the two vestibular sacs.

The smaller of the two vestibular sacs.

Part of the ear canal.

A type of cells in the inner ear.

Answer

Correct Answer: The smaller of the two vestibular sacs.

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What is the other name for otolith?

Stapes

Incus

Malleus

Statolith

Answer

Correct Answer: Statolith

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Which of the following does NOT belong to the middle ear?

Stapes

Round window

Malleus

Incus

Answer

Correct Answer: Round window

Note: This Question is unanswered, help us to find answer for this one

What are the three auditory ossicles in the middle ear?

Malleus, Incus, Stapes

Malleus, Stapes, Tympanic Membrane

Incus, Stapes, Tympanic Membrane

Oval Window, Round Window, Tympanic Membrane

Answer

Correct Answer: Malleus, Incus, Stapes

Note: This Question is unanswered, help us to find answer for this one

What is the name of the sinus located behind the ear?

Xiphoid process

Metabolism

Mastoid antrum

Epidermis

Answer

Correct Answer: Mastoid antrum

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What is the mastoid antrum?

The study of teeth

The muscles of the mouth

A bone in the back

A locaded in the epitympanic recess

Answer

Correct Answer: A locaded in the epitympanic recess

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Malleus is a small bone situated in which part of the ear?

Inner ear

Middle ear

Outer ear

Pinna

Answer

Correct Answer: Middle ear

Note: This Question is unanswered, help us to find answer for this one

What is the malleus?

A small bone situated in the middle ear

A type of virus

A symptom

A disease

Answer

Correct Answer: A small bone situated in the middle ear

Note: This Question is unanswered, help us to find answer for this one

What does the inner ear contain?

The cochlea and the vestibular system.

The middle ear.

The area surrounding the eardrum.

The outer ear.

Answer

Correct Answer: The cochlea and the vestibular system.

Note: This Question is unanswered, help us to find answer for this one

What is the Incus?

A small bone situated in the middle ear

A muscle in the ear

A disease of the ear

A type of earwax

Answer

Correct Answer: A small bone situated in the middle ear

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What is the bony labirinth also known as?

Semicircular Canals

Cochlea

Osseus Labirinth

Vestibule of the Ear

Answer

Correct Answer: Osseus Labirinth

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What is the bony wall of the osseus labirinth called?

Sphenoid bone

Occipital bone

Ethmoid bone

Temporal bone

Answer

Correct Answer: Temporal bone

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The external ear is formed by the auricle, the external auditory meatus and _____.

Incus

Eardrum

Malleus

Cochlea

Answer

Correct Answer: Eardrum

Note: This Question is unanswered, help us to find answer for this one

What is the external auditory meatus?

The inner ear.

The middle ear.

The outer ear.

A tube that runs between the outer ear and middle ear.

Answer

Correct Answer: A tube that runs between the outer ear and middle ear.

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What is the External Auditory Canal?

The External Auditory Canal is the passageway from the inner ear to the middle ear.

The External Auditory Canal is the passageway from the middle ear to the inner ear.

The External Auditory Canal is the passageway from the outer ear to the middle ear.

The External Auditory Canal is the passageway from the outer ear to the inner ear.

Answer

Correct Answer: The External Auditory Canal is the passageway from the outer ear to the middle ear.

Note: This Question is unanswered, help us to find answer for this one

What is contained in the vestibular aqueduct?

The round window

The vestibular aqueduct orifice

The cochlear aqueduct

The ductus endolymphaticus

Answer

Correct Answer: The ductus endolymphaticus

Note: This Question is unanswered, help us to find answer for this one

What is the pathogenic mechanism of Ménière's disease?

Lack of proper nutrition

Too much sleep

Abnormal circulation of the inner era fluids

Dehydration

Answer

Correct Answer: Abnormal circulation of the inner era fluids

Note: This Question is unanswered, help us to find answer for this one

What is the function of the eardrum?

It separates the outer ear from the middle ear.

It helps to amplify sound.

The function of the eardrum is transmitted from the sound to the auditory ossicles.

The function of the eardrum is to protect the inner ear.

Answer

Correct Answer: The function of the eardrum is transmitted from the sound to the auditory ossicles.

Note: This Question is unanswered, help us to find answer for this one

What is the name of the thin membrane that closes the external ear canal?

Eardrum

Anvil

Malleus

Hammer

Answer

Correct Answer: Eardrum

Note: This Question is unanswered, help us to find answer for this one

What is the cochlea?

The cochlea is an organ of hearing.

The cochlea is located in the temporal bone.

The cochlea is a spiral shaped tube.

The cochlea is filled with fluid.

Answer

Correct Answer: The cochlea is an organ of hearing.

Note: This Question is unanswered, help us to find answer for this one

What are the three auditory ossicles?

Pharynx, larynx, trachea

Molars, incisors, canines

Cochlea, vestibule, semicircular canals

Malleus, incus, stapes

Answer

Correct Answer: Malleus, incus, stapes

Note: This Question is unanswered, help us to find answer for this one

What are auditory ossicles?

Eardrum

Cochlea

Malleus (or hammer), incus and staphes

Earwax

Answer

Correct Answer: Malleus (or hammer), incus and staphes

Note: This Question is unanswered, help us to find answer for this one

How many main parts does the ear have?

Five

Two

Three

Four

Answer

Correct Answer: Three

Note: This Question is unanswered, help us to find answer for this one

What are the three main parts of the ear?

The eardrum, the middle ear and the inner ear.

The external ear, the middle ear and the eardrum.

The external ear, the eardrum and the inner ear.

The external ear, the middle ear and the inner ear.

Answer

Correct Answer: The external ear, the middle ear and the inner ear.

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