Sensory Flashcards
Mechanoreceptors
provides sense of touch, pressure, and vibration; in the skin and hair; many located on fingertips
Thermoreceptors
detect temperature
Hair Cells in Cochlea
detect sound waves- where hearing loss usually occurs
Vestibular Apparatus
equilibrium and balance
Proprioceptors
nerve receptors on skin, muscles, tendons and ligaments that work together to detect motion and position of body
Photoreceptors
retina; light
Chemoreceptors
taste buds; olfactory receptors
Delirium
disorientation, restlessness, confusion, hallucinations; alteration with other conscious states
Dementia
patients have difficulty with memories and language and trouble understanding what you are saying; changes in personality
Confusion
reduced awareness
Somnolence
patient is extremely lethargic but responds to normal stimuli
Locked in Syndrome
when patient has full consciousness but cant follow commands
Stupor
when patient is out of it and has to be aroused by extreme repeated measures
Coma
cannot be stimulated or aroused
Vegetative State
some brain activity but cannot respond purposely
Sensory Depravation
craving for sensory stimuli that you aren’t getting
Sensory Overload
having higher level of stimuli then can be handled
Myopia
near sidedness, objects far away are blurry
Hyperopia
far-sightedness, objects close up are blurry
Presbyopia
occurs with age, lens become less elastic making it hard for retina to focus on near objects
Astigmatism
irregular curvature of the cornea, causes blurriness especially in the dark
Cataracts
hazy film over lens, can be fixed with surgery
Glaucoma
increase pressure in anterior chamber of eye, effects peripheral vision and can cause blindness
Retinopathy
“cotton wool” spots caused by HTN and diabetes