Ch 8 Drugs for the Eye and Ear Flashcards
- Which term describes the transparent anterior portion of the eye?
Pupil
Iris
Cornea
Retina
Cornea
The transparent anterior portion of the eye is the cornea.
- Which term describes the “white” of the eye?
Conjunctiva
Cornea
Sclera
Retina
Sclera
The nontransparent “white” of the eye is the sclera.
- Which structure gives the eye its color?
Retina
Pupil
Iris
Cornea
Iris
The iris gives the eye its color.
- Which term means farsightedness, a condition that normally occurs as a result of the aging process?
Amblyopia
Diplopia
Presbyopia
Myopia
Presbyopia
Farsightedness that occurs as a result of aging is called presbyopia.
- Which lenses are used to correct age-related blurred vision?
Bifocal lenses
Convex corrective lenses
Concave corrective lenses
Crystalline lenses
Bifocal lenses
Bifocal lenses are used to correct age-related blurred vision.
- Which visual structure undergoes decreased tear production, causing dry, irritated eyes as the patient ages?
Conjunctiva
Lens
Lacrimal ducts
Vitreous humor
Lacrimal ducts
As an individual ages, decreased tear production occurs in the lacrimal ducts causing dry, irritated eyes.
- Which visual structure demonstrates decreased pupil size; slower dilation after exposure to light, and decreased near vision and accommodation as the patient ages?
Iris
Lens
Retina
Cornea
Iris
The iris demonstrates decreased pupil size, slower dilation after exposure to light, and decreased near vision and accommodation as the patient ages.
- Which visual structure has decreased sharpness of vision and loss of central vision as the patient ages?
Lens
Retina
Cornea
Iris
Retina
The retina causes decreased sharpness of vision and loss of central vision as the patient ages.
- Which is an eye disorder characterized by increased intraocular pressure?
Cataracts
Glaucoma
Blepharitis
Hordeolum
Glaucoma
Glaucoma is characterized by increased intraocular pressure caused by failure of the aqueous humor to drain.
- Which condition may occur if glaucoma goes unnoticed and untreated?
Diplopia
Blindness
Vertigo
Photophobia
Blindness
Untreated and unnoticed, glaucoma may cause blindness.
- Which term describes an opacity that appears within the crystalline lens and may affect one or both eyes?
Conjunctivitis
Cataracts
Hordeolum
Floater
Cataracts
A cataract is opacity of the crystalline lens.
- Miotics, carbonic anhydrase inhibitors, and beta-adrenergic blocking agents are the treatment of choice for which condition?
cataracts.
macular degeneration.
glaucoma.
presbyopia.
glaucoma.
The drug treatment of choice for glaucoma includes miotics, carbonic anhydrase inhibitors, and beta-adrenergic blocking agents.
- Which condition may be caused by bacterial, viral, or chlamydial microorganisms?
Blepharitis
Conjunctivitis
Tinnitus
Ophthalmitis
Conjunctivitis
Conjunctivitis may be caused by bacterial, viral, or chlamydial microorganisms. Conjunctivitis is an infection or inflammation of the conjunctiva.
- Which term is used to describe an extreme sensitivity to light?
Photophobia
Diplopia
Presbyopia
Hyperopia
Photophobia
Photophobia is an abnormal intolerance to light that can result from conjunctivitis.
- Which term describes a bacterial infection of the eyelids that causes crusting, redness, and irritation of the eyelids?
Conjunctivitis
Blepharitis
Canthitis
Scleritis
Blepharitis
A bacterial infection of the eyelids that causes crusting, redness, and irritation of the eyelids is called blepharitis.
- Which term describes an infection of the sebaceous glands, commonly referred to as a sty?
Adenitis
Blepharitis
Hordeolum
Canthus
Hordeolum
An infection of the sebaceous glands, which is the result of a blocked gland, is commonly known as a sty.
- Tobramycin (Tobrex) is an ophthalmic ointment used to treat which condition?
cataracts.
glaucoma.
eye infections.
diplopia.
eye infections.
Eye infections are treated by the ophthalmic ointment tobramycin (Tobrex).
- Which statement describes how miotics work to constrict the pupil?
They increase the intraocular pressure.
They decrease the aqueous humor outflow.
They contract the ciliary muscles.
They dilate the Schlemm’s canal.
They contract the ciliary muscles.
Miotics constrict the pupil by contracting the ciliary muscles, increase aqueous humor outflow, and decrease intraocular pressure.
- Which term is used to describe drugs that are used to dilate the pupil?
Miotics
Mydriatics
Carbonic anhydrase inhibitors
Beta-adrenergic blocking agents
Mydriatics
Mydriatics dilate the pupil.
- Which term is used to describe a technique which uses the administration of anticholinergic mydriatics to determine if corrective lenses are required?
Cycloplegic refraction
Ophthalmoscopy
Laser photocoagulation
Retinopexy
Cycloplegic refraction
During cycloplegic refraction, anticholinergic mydriatrics produce papillary dilation that interferes with the ability of the eye to properly focus.
- Which structure is part of the external ear?
Pinna
Stapes
Cochlea
Tympanic membrane
Pinna
The external ear consists of an auricle or pinna and the external auditory meatus or ear canal.
- Which structure connects the middle ear to the nasopharynx and works to equalize air pressure on both sides of the eardrum?
Tympanic membrane
External auditory meatus
Eustachian tube
Auricle
Eustachian tube
The eustachian tube connects the middle ear to the nasopharynx and equalizes pressure on both sides of the eardrum, preventing it from rupturing.
- Which term is used to describe the conduction and amplification of sounds waves from the environment?
Acoustic
Amplification
Air conduction
Otic
Air conduction
Air conduction is the conduction and amplification of sound waves from the environment.
- Which condition describes a problem with either the external or middle ear?
Conductive hearing loss
Sensorineural hearing loss
Central hearing loss
Acoustic hearing loss
Conductive hearing loss
Conductive hearing loss is a problem with either the external or middle ear.
- The malleus, incus, and stapes bones pick up vibrations of the __________________ and transmit these vibrations to specialized hearing cells in the inner ear.
eustachian tube
tympanic membrane
external auditory meatus
cochlea
tympanic membrane
The maleus, incus, and staples bones pick up vibrations of the eardrum or tympanic membrane. The bones transmit vibrations to specialized hearing cells in the inner ear.
- Which structure of the ear is necessary to maintain equilibrium?
Cochlea
Eustachian tube
Vestibule
Pinna
Vestibule
The vestibule is the structure of the ear that maintains equilibrium.
- Which structure of the ear is the primary organ of hearing?
Malleus
Cochlea
Semicircular canals
Vestibule
Cochlea
The cochlea is the primary organ of hearing
- Which type of hearing loss occurs as a result of disease or injury in the inner ear?
Conductive
Sensorineural
Central
Peripheral
Sensorineural
Sensorineural hearing loss occurs as a result of disease or injury to the inner ear.
- Which type of hearing loss results from damage to the central nervous system from the auditory nucleus to the cortex?
Conductive
Sensorineural
Central
Peripheral
Central
Central hearing loss occurs as a result to damage to the central nervous system from the auditory nucleus to the cortex.
- Which type of hearing loss results in difficulty in understanding the meaning of words heard, or in the inability to understand the meaning of incoming sounds and words?
Conductive
Sensorineural
Central
Peripheral
Central
Central hearing loss leads to difficulty understanding the meaning of words heard or the inability to understand the meaning of incoming sounds and words.
- Which type of hearing loss results in an alteration in the patient’s perception of, or sensitivity to, sounds?
Conductive
Sensorineural
Central
Peripheral
Conductive
Conductive hearing loss results in an alteration in the patient’s perception of or sensitivity to sounds.
- Which type of hearing loss results in an alteration in the perception of, or sensitivity to, high-pitched tones?
Conductive
Sensorineural
Central
Peripheral
Sensorineural
Sensorineural hearing loss results in an alteration in the perception of, or sensitivity to, high-pitched sounds that occur with problems in the inner ear.
- Which term describes a lessened ability, as a result of aging, to hear high-pitched sounds?
Tinnitus
Presbycusis
Ménière’s disease
Serous otitis media
Presbycusis
A lessened ability to hear high-pitched sounds as a result of aging is termed presbycusis.
- Which term means ringing in the ears?
Presbycusis
Tinnitus
Vertigo
Otitis
Tinnitus
Ringing in the ears is called tinnitus.
- Which auditory structure has, as an effect of aging, an increase in cerumen, drier cerumen, and an increase in hair?
Auditory nucleus
External ear
Middle ear
Inner ear
External ear
Increase in cerumen, drier cerumen, and an increase in hair are the effects of aging.
- Which may occur in a patient who experiences a hearing loss later in life?
Increased chance that hearing will return
Better balance
Increased personal hygiene
Withdraw from social contact
Withdraw from social contact
Withdrawal from social contact may occur in patients with hearing loss later in life. Severe depression, isolation, and poor personal hygiene may also occur.
- Which statement describes why the incidence of hearing loss is increasing?
Healthcare team members are helping with early identification of problems.
People are living longer.
More equipment is available to screen more patients for hearing loss.
More senior citizens have access to healthcare.
People are living longer.
The rationale for increased hearing loss is people are living longer.
- Which term describes an inflammation and infection of the auricle and ear canal, also called “swimmer’s ear”?
External otitis
Internal otitis
Otitis media
Otitis labyrinth
External otitis
Inflammation and infection of the epithelium of the auricle and ear canal is called external otitis or swimmer’s ear.
- Which condition would be treated using lubricating drops and irrigation of the ear canal?
External otitis
Cerumen
Otitis media
Vertigo
Cerumen
Cerumen, or earwax, is treated by irrigating the ear canal with lubricating drops to soften the earwax.
- Polymyxin B, colistin, neomycin, and chloromycetin are examples of medications used to treat:
external ear disorders.
cerumen.
middle ear disorders.
otic fungal infections.
external ear disorders.
External ear disorders are treated with polymycin B, colistin, neomycin and chloromycetin.
- Otic drops should be administered at room temperature because cold drops can cause which symptom?
pain
dizziness
tinnitus
hearing loss
dizziness
Otic drops should always be administered at room temperature because cold drops can cause dizziness.
- Which statement describes the correct procedure to use when administering antibiotics in the ear canal?
Avoid touching the tip of the dropper to the auricle. Use an applicator to transfer medication from the bottle to the affected site.
Soak a wick in the bottle and place the wick in the affected ear.
Cleanse the lip of the bottle before and after each use.
Avoid touching the tip of the dropper to the auricle.
Avoid touching the tip of the dropper to the auricle when administering antibiotics to prevent contamination of the solution in the bottle.
- Which sign/symptom does NOT indicate a potential hearing loss?
Asking others to speak up
Answering questions inappropriately
Having increased sensitivity to changes in noise level Feeling a spinning sensation in the head while sitting
Feeling a spinning sensation in the head while sitting
Asking others to speak up, answering questions inappropriately, and having increased sensitivity to changes in noise level may indicate hearing loss.
- Which procedure should be followed prior to instilling eye medications if crusting or drainage is present?
Wash from inner to outer canthus.
Wash from outer to inner canthus.
Cleanse the eyelid with a damp cloth.
Cleanse the eyelid with a dry cloth.
Wash from inner to outer canthus.
Wash from the inner to outer canthus prior to instilling eye medications if crusting or drainage is present.
- Which procedure should be followed when administering an ophthalmic medication that causes systemic effects?
Press gently against the outer canthus.
Instruct the patient to keep his eye closed for 30 to 90 seconds.
Press gently against the inner corner of the eye and the nose bone.
Instruct the patient to close the eye and rub the eyelid in a circular motion.
Press gently against the inner corner of the eye and the nose bone.
Pressing gently against the inner canthus of the eye and nose bone is the correct procedure to follow when administering an ophthalmic medication that causes systemic effects.
- Which procedure should be followed after instilling eye ointment?
Press gently against the outer canthus.
Instruct the patient to keep the eye closed for 30 to 90 seconds.
Press gently against the inner corner of the eye and the nose bone.
Instruct the patient to close the eye and rub the eyelid in a circular motion.
Instruct the patient to close the eye and rub the eyelid in a circular motion.
Instruct the patient to close the eye and rub the eyelid in a circular motion with a cotton ball to spread the ointment over the eye after instilling eye ointment.
- Which procedure should be followed when instilling ear drops in a child?
Pull the auricle upward and outward.
Pull the auricle down and back.
Pull the tragus upward and outward.
Pull the tragus down and back.
Pull the auricle down and back.
When instilling ear drops in a child, pull the auricle down and back.