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60 Cards in this Set
- Front
- Back
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What part of the eye is the receptors for vision?
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retina
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Where are the hearing & equilibrium receptors located?
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inner ear
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The receptors for touch & pressure are _________. (type of nerve ending?)
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Encapsulated nerve ending in the dermis
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When holding a pencil, you experience the touch of it in the hand. This is an example of _______ .(characteristics of sensation)
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projection
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Bacterial growth on the front of the eyeball is inhibited by _________.
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Lysozyme tears
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The lens and cornea have no capillaries and are nourished by _____. (tissue fluid of the eyeball)
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aqucous humor
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The chemorecptors that detect vaporized chemicals are the ________.
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Olfactory receptors in the upper nasal cavities
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What part of a sensory pathway detects changes?
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receptor
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What changes the shape of the lens of the eye? (muscle)
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Ciliary muscle
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The pain of a heart attack may be felt in the left shoulder; this is an example of ___________.
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referred pain
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Name 3 cranial nerves that are involved in movement of the eyeball.
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Oculomotor, Abducens, Trochlear
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Becoming unware of a continuing stimulus is called ________.(characteristics of sensation)
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Adaptation
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The receptors that detect movement of the body are located in the _________.
(ear structure) |
Semicircular canals
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The receptors for hearing are part of the ________.
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Organ of Corti
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Where is the organ of Corti located? (inner ear structure)
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in the Cochlea
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What visual receptor detects color?
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cones
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What is the first part of the eye that refracts light rays?
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cornea
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The receptors for muscle sense are ______ that detect stretching.
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proprioceptors
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The receptors for thirst are in the ______ and they detect changes in body water content.
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hypothalamus
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What keeps the retina in place? (semisolid substance)
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vitreous humor
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The adjustable part of the light refraction pathway is the __________.
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lens
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what part of a sensory pathway feels the sensation?
(area that feels and interpret) |
cerebral cortex
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The first part of the ear to vibrate with sound waves is the ?
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eardrum
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Name the 3 auditory bones? (MIS)
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Malleus, Incus, and Stapes
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Where is the eardrum located?
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stretched across the endo of the ear canal
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The middle ear and inner ear structures are located within the ______ bone.
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temporal
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What lobe are the visual areas in ?
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Occipital
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What lobe are the olfactory areas in?
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Temporal
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What receptor detects only the presence of light?
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Rods
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How many extrinsic muscles move the eye?
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6
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What is the thickest layer, visible as the white of the eye?
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sclera
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What is the thin membrane that lines the eyelid and the white of the eye?
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conjunctiva
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Conjunctivitis is ________ of the conjunctiva?
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inflammation
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Most of the eyeball is within and protected by the _____.
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orbit
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What layer contains blood vessels and a dark blue pigment that absorbs light in the eyeball to prevent glare?
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chorioid
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What is another name for nearsightedness?
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Myopia
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What is another name for farsightedness?
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Hyperopia
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What is another name for lose of elasticty due to aging? (eyeball)
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Presbyopia
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What is another name for eardrum?
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tympanic membrane
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Which auditory bone transmits virbrations to the fluid-filled inner ear at the oval window?
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Stapes
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When the hair cells bend, they generate impulses that are carried to what cranial nerve ? And to the temporal lobes.
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8th
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What detects chemicals in the food which are dissolved in saliva?
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chemoreceptors
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Taste impulses are carried by the 7th & 9th cranial nerves to taste areas in the __________ lobe?
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parietal-temporal cortex
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The receptors for pain, heat and cold are ____ endings.
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Free nerve
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The receptors for pressure and touch are ______ endings.
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Encapsulated nerve
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What lobe of the cerebrum are the sensory areas located?
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parietal
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What is the degree to which a sensation is felt? (characteristics of sensation)
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intensity
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What contains receptors that detect changes in the position of the head? (membranous sacs)
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Utricle & Saccule
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What contains the receptors that detect motion? (fluid-filled membranous)
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Semicircular canals
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What contains receptors that detect changes in the blood?
(arteries) |
Aorta & Carotid arteries
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What branches off the Aortic arch that takes blood through the neck on the way to the brain?
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Carotid arteries
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What detects changes in blood pressure?
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Pressoreceptors
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What detects changes in the oxygen and carbon dioxide content and the pH, of the blood?
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Chemoreceptors
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What occurs in the senses of hunger but not in the sense of thirst? (characteristics of senses)
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Adaptation
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What are the basic tastes?
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Sweet, Sour, Salty and Bitter
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What is comparsion of one sensation to another?
(characteristics of senses) |
Contrast
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Hunger and thirst are called ___________ sensations.
(characteristics of senses) |
Viseral
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______ occurs quickly with smell. (characteristics of sense)
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Adapation
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_______ is chemorecptors, detect vaporized chemicals in the upper nasal cavities.
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Olfaction
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What is the purpose of sensations?
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to detect changes in the external and internal environment. (homeostasis)
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