Shared Flashcard Set

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The Senses
Test
54
Health Care
9th Grade
04/15/2009

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Cards

Term
What are the three types of sensory receptors?
Definition
1. Free dendrites
2. Modified dendrites
3. Specialized cells with afferent rods, cones, neurons
Term
What is the order of the eyeball's layers from outside to inside?
Definition
Sclera, Choroid, Retina
Term
The is the term for cones being sensitive to light?
Definition
Forea centralis
Term
What is a retina disease due to diabetes?
Definition
Retinopathy diabetic
Term
What is it called when the retina separates from the eye due to trauma?
Definition
Retinaldetatchment
Term
What is it called when there is a yellow area in the retina which distorts the visual field (increased risk with smoking, sun, and high cholesterol)?
Definition
Macular Degeneration
Term
What is another word for voluntary of the eye muscles?
Definition
Extrinsic
Term
What is it called when the 6 eye muscles pull on the eye to make it look in a certain place?
Definition
Convergence
Term
What is it called when old people have a decrease in eye elasticity and decreased vision?
Definition
Presbyopia
Term
What are the two eye nerves?
Definition
Optic nerve, ophthalmic (trigeminal)
Term
What are the three eye motor muscles?
Definition
Oculomotor, Trochlear, Abducens
Term
What is another word for far sighted, short eyeball (can't see near)?
Definition
Hyperopia
Term
What is another word for near sighted, long eyeball (can't see far)?
Definition
Myopia
Term
What is an irregular curve of the cornea or lens, which causes blurred vision?
Definition
Astigmatism
Term
What is it called when the eye muscles aren't coordinated? What are the two types?
Definition
Strabismus; Convergent and Divergent
Term
What is it called when there is a loss of vision in one eye because it can't work with the other eye?
Definition
Amblyopia
Term
What is it called when the conjunctiva is inflamed "pink eye"?
Definition
Conjunctivitis
Term
What is an acute infection for newborns from the birth canal?
Definition
Ophthalmia neonatorum
Term
What is a cornea scratch in which the scar blocks vision?
Definition
Laceration
Term
What is it called when the eyeball is pierced which causes it to be removed?
Definition
Enucleation
Term
What is cloudiness of the lens called?
Definition
Cataracts
Term
What is an increase of pressure on the aqueous humor, blood produces fluid and blood is reabsorbed by bloodstream, and increase pressure on eye, and decreased vision?
Definition
Glaucoma
Term
What are the three parts of the outer ear?
Definition
Pinna, external auditory meatus, tympanic membrane
Term
What are the three ossicles of the middle ear?
Definition
Malleus (hammer shaped), incus (anvil shaped), strapes (stirrup of a saddle)
Term
What connects to the lympanic membrane, grabs sound, and it travels to the middle ear?
Definition
Eustachian tube
Term
What are the 3 areas of the inner ear with sensory receptors?
Definition
Vestibule (2 bony chambers, balance), Semicircular canals (Posterior projections, balance), Cochlea (anterior, hearing)
Term
All 3 areas of the inner ear contain a fluid called what?
Definition
Perilymph
Term
What 2 things do receptors in the ear respond to?
Definition
Pitch (tone) and intensity (volume)
Term
Where are high pitched sounds detected?
Definition
Near base of cochlea
Term
Where are low pitched sounds detected?
Definition
Near top of cochlea
Term
What is a senses direction and position called?
Definition
Equilibrium
Term
What is a straight line, when receptors are called macula?
Definition
Static
Term
What is it called when the body is spinning or moving in different directions, receptors are called cristae?
Definition
Dynamic
Term
What is a middle ear inflamation?
Definition
Otitis media
Term
What is an external ear inflammation (swimmer's ear)?
Definition
Otitis externa
Term
What is hearing loss due to blockage by wax or a foreign object?
Definition
Conductive hearing loss
Term
What is hearing loss due to an injury to cochlea or temporal lobe?
Definition
Sensorineural hearing loss
Term
What is progressive hearing loss with age: atrophy of sensory receptors?
Definition
Presbykosis
Term
What are taste buds locations?
Definition
Fissures
Term
What is another word for taste?
Definition
Gustation
Term
Taste is only stimulated if what 2 things happen?
Definition
If substance is in a solution, or dissolves in mouth
Term
Where is sweetness detected?
Definition
Tip of tounge
Term
Where is saltiness detected?
Definition
Anterior sides of tounge
Term
Where is sourness detected?
Definition
Lateral sides of tounge
Term
Where is bitterness detected?
Definition
Posterior part of tounge
Term
What are the 2 nerves of taste?
Definition
Facial and glossopharyngeal
Term
What is another word for smell?
Definition
Olfaction
Term
Where do olfactory nerves carry smell impulses to?
Definition
Temporal lobe
Term
What are found in the dermis and hair follicles?
Definition
Tactile corpuscles
Term
Where are there high areas of receptors for touch?
Definition
Fingertips, tounge, lips, toetips
Term
Where are pressure receptors located?
Definition
Subcutaneous tissue
Term
Where is the body temperature receptor located?
Definition
Hypothalamus
Term
What is another word for body position?
Definition
Proprioreceptor
Term
What part of the brain controls body position?
Definition
Cerebellum
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