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The ________, shown at letter G in the figure, controls the size of the pupil.

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Muscles in the ________ control the shape of the lens of the eye.

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The muscle in the eyelid called the ________ is responsible for blinking and squinting.

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Which of the following structures is on the medial aspect of each eye and drains tears into the nose?


A) Extrinsic eye muscles
B) Lacrimal glands
C) Nasolacrimal ducts
D) Conjunctivas
E) Scleral venous sinuses

F) None of the above
G) A) and B)

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Which of these is in the posterior chamber of the eye?


A) Choroid
B) Ciliary body
C) Lens
D) Aqueous humor
E) Vitreous humor

F) None of the above
G) All of the above

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A buildup of earwax within the external auditory canal is ____.


A) cerumen impaction
B) otitis externa
C) otitis interna
D) otitis media
E) otosclerosis

F) A) and D)
G) B) and E)

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Letter H in the figure indicates the ________, a transparent area on the front of the eye that lets light into the eye.

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Glutamic acid found in kelp produces a savory taste called ________, now recognized as a fifth basic taste.

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An abnormal ringing in the ears is called ________.

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At what age should infants begin to babble at people talking to them?


A) Up to 4 months of age
B) 4 to 8 months of age
C) 8 to 12 months of age
D) 12 to 18 months of age
E) 18 to 24 months of age

F) A) and B)
G) A) and E)

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The ________, shown at letter H in the figure, contains hearing receptors, including the organ of Corti.

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The three tiny bones called ear ossicles are the malleus, ________, and stapes.

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Receptors that are found on the taste buds are also known as ________ receptors.

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One of the smallest bones in the body, the ________ shown at letter B, is shaped like a stirrup.

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Which of these is found in the anterior chamber of the eye?


A) Optic disc
B) Fovea centralis
C) Aqueous humor
D) Vitreous humor
E) Retina

F) A) and D)
G) B) and E)

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The ________, a fibrous partition that separates the external ear from the middle ear, is shown at letter F in the figure.

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The membrane indicated by letter G, which separates the middle ear from the inner ear, is the ________.

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The condition characterized by eversion of the lower eyelid is ________.

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____ is an inflammation of the ear.


A) Cerumen impaction
B) Meniere's disease
C) Otitis
D) Acoustic neuroma
E) Otosclerosis

F) A) and B)
G) B) and C)

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When the tympanic membrane vibrates, it causes the ossicles to vibrate and hit a membrane called the ________.

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