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Worksheets3.04 Sensory System Unit Test
Total questions: 55
Worksheet time: 28mins
The lens of the eye lies directly behind the _________.
iris and pupil
cornea and sclera
retina and optic nerve
vitreous humor and aqueous humor
The iris is the _________.
colored part of the eye, muscle layer that surrounds the pupil
transparent layer covering the eye
light-sensitive layer at the back of the eye
gel-like substance filling the eye
The eye is protected by the ___________________________.
sclera
cornea
retina
iris
The eyeball has three coats: the ___________.
SCLERA, CHOROID COAT AND RETINA
CORNEA, LENS AND RETINA
IRIS, PUPIL AND RETINA
CONJUNCTIVA, CORNEA AND LENS
The white of the eye is called the ________________.
sclera
cornea
retina
iris
What clear structure is called the “window of the eye?”
Cornea
Iris
Lens
Retina
The anterior chamber of the eye is filled with ______.
aqueous humor
vitreous humor
blood
lymph
Where on the retina do nerve fibers gather to form the optic nerve?
Macula
Fovea
Optic disc
Retinal periphery
The size of the iris and pupil is changed by ____________ and _____ muscles.
intrinsic, extrinsic
extrinsic, intrinsic
ciliary, radial
sphincter, dilator
The crystalline structure behind the pupil that focuses light rays on the retina is the ___________.
lens
cornea
retina
iris
What does the pupil do when exposed to bright light?
Dilates
Constricts
Remains the same size
Becomes irregular
The function of the lens is __ helps to refract light to be focused on the retina. ______.
helps to refract light to be focused on the retina
to protect the eye from dust and debris
to produce tears to keep the eye moist
to detect color and light intensity
The retina contains visual receptors called _____ (dim lights) and ____ (colors).
rods, cones
cones, rods
neurons, axons
fibers, tissues
Why does our nose run when we cry?
Tears drain into the nasal cavity
Nasal irritation from crying
Increased mucus production
Allergic reaction
What is the function of the lacrimal glands?
To produce tears
To regulate blood pressure
To aid in digestion
To filter blood
Extrinsic eye muscles allow for eye movement, and are attached to the ____.
sclera
retina
cornea
iris
What is the function of vitreous humor?
To nourish the retina and maintain eye shape
To focus light onto the retina
To control the amount of light entering the eye
To detect color and light intensity
What is the correct pathway of vision?
Retina, Optic Nerve, Optic Chiasm, Optic Tract, Lateral Geniculate Nucleus, Optic Radiations, Visual Cortex
Retina, Optic Chiasm, Optic Nerve, Optic Tract, Lateral Geniculate Nucleus, Optic Radiations, Visual Cortex
Retina, Optic Nerve, Optic Tract, Optic Chiasm, Lateral Geniculate Nucleus, Optic Radiations, Visual Cortex
Retina, Optic Nerve, Optic Chiasm, Lateral Geniculate Nucleus, Optic Tract, Optic Radiations, Visual Cortex
The three small bones located in the middle ear are called the __________, _________ and the ______.
malleus, incus, stapes
hammer, anvil, stirrup
cochlea, vestibule, semicircular canals
tympanum, cochlea, eustachian tube
The medical term for the spiral-shaped part of the inner ear is:
Cochlea
Malleus
Stapes
Incus
The tube that connects the middle ear cavity and the nose is the __________.
eustachian tube
trachea
bronchus
esophagus
The tympanic membrane is also known as the ______.
eardrum
cochlea
ossicle
pinna
The outer part of the ear is known as the ______.
pinna
auricle
cochlea
eardrum
Through what structure do sound waves pass on their way to the tympanic membrane?
Ear canal
Eustachian tube
Cochlea
Semicircular canals
The projections of the tongue that contain taste buds are called______.
papillae
cilia
villi
alveoli
What structure separates the outer and middle ear?
Eardrum
Cochlea
Eustachian tube
Pinna
Where would you find cerumen?
In the ear
In the nose
In the mouth
In the eye
What three structures in the inner ear contain liquid that is set in motion by head and body movements?
Cochlea, Vestibule, Semicircular Canals
Eustachian Tube, Cochlea, Vestibule
Semicircular Canals, Cochlea, Eustachian Tube
Vestibule, Eustachian Tube, Semicircular Canals
A person who burns his/her tongue might have trouble tasting food if what structures are damaged?
Taste buds
Salivary glands
Papillae
Nerve endings
The organ of Corti is located within the ___.
Cochlea
Eustachian tube
Semicircular canals
Auditory nerve
What is the function of the eustachian tube?
To transmit sound waves to the inner ear
To equalize air pressure on both sides of the eardrum
To amplify sound vibrations
To protect the ear from loud noises
Which structures in the ear are responsible for helping to maintain the body's balance?
Cochlea
Semicircular canals
Eardrum
Auditory nerve
What inner ear structure picks up the vibrations of fluid in the cochlea and transmits them as a sensory impulse to the brain?
Cochlear nerve
Organ of Corti
Semicircular canals
Eustachian tube
In the pathway of hearing, sound waves travel from the tympanic membrane to the ___.
Ossicles
Cochlea
Eustachian tube
Auditory nerve
Smell accounts for what percent of taste?
50%
60%
70%
80%
What is the function of cerumen?
To lubricate and protect the ear canal
To aid in hearing by amplifying sound
To transmit sound waves to the inner ear
To balance pressure in the ear
What nerve carries sound impulses to the brain?
Optic nerve
Vagus nerve
Auditory nerve
Trigeminal nerve
Otitis media is usually treated with ___.
Antibiotics
Antivirals
Antifungals
Pain relievers
Tammy tells you she wears glasses because the front of her eye is uneven. She insists she is neither nearsighted nor farsighted. Pam has ___.
Astigmatism
Presbyopia
Cataracts
Glaucoma
Jerry wants contact lenses to see the chalkboard at school. He probably has an eye disorder called ___.
Myopia
Hyperopia
Astigmatism
Presbyopia
What part of the eye is removed during cataract surgery?
Cornea
Lens
Retina
Iris
An ophthalmoscope is used to examine ___.
the interior of the eye
the ear canal
the throat
the skin
Bill has otosclerosis. What part of his ear is affected?
Outer ear
Middle ear
Inner ear
Eardrum
The medical term for a tiny abscess at the base of an eyelash is:
Chalazion
Stye
Blepharitis
Conjunctivitis
The treatment of glaucoma can be medical or surgical, and involves a goal of ___.
reducing intraocular pressure
improving vision
curing glaucoma
preventing eye infections
A condition in which the lens loses elasticity after the age of 40 is ___.
Presbyopia
Myopia
Astigmatism
Cataract
What should you do if a splinter becomes lodged in the eye?
Try to remove it with tweezers
Flush the eye with water
Cover the eye and seek medical attention
Ignore it and hope it comes out on its own
Harry has a genetic disorder in which his cones do not function properly. He has ___.
color blindness
myopia
hyperopia
astigmatism
Sam's eye muscles do not coordinate their actions and have a cross-eyed appearance. What is the medical term for this disorder?
Strabismus
Astigmatism
Myopia
Hyperopia
What type of medication would be used to treat rhinitis?
Antihistamines
Antibiotics
Antivirals
Analgesics
Rhinorrhea is:
A condition characterized by a runny nose
A type of skin rash
A form of headache
A digestive disorder
Impacted ear wax can cause tinnitus which in this case is a symptom of what?
Ear infection
Hearing loss
Meniere's disease
Blockage in the ear canal
Taking antibiotics for a long time can cause which tongue disorder?
Geographic tongue
Black hairy tongue
Glossitis
Leukoplakia
The sensation of pain felt in an amputated limb is called what?
Phantom limb pain
Residual limb pain
Neuropathic pain
Referred pain
Ringing in the ears is known as ______________.
tinnitus
vertigo
otitis
meniere's disease
