Flashcards in Chapter 38 Sensory Deck (25):
What can any alteration in sensation affect?
The ability to function within the environment
Awareness of position and movement of body parts
Ability to perceive and understand an object through touch. By size shape
Used to describe an estate where a person is in optimal arousal
Ability to perceive internal and external stimuli, and to respond appropriately through thought and action.
Characteristics of Normal Sensory reception/perception
Vision, hearing, taste, smell, and tactile
Factors affecting sensory function
Development, culture, stress, medications, illness, lifestyle, and personality
Loss in normal function of sensory reception and or perception.
Generally thought of as a decrease in or lack of meaningful stimuli
Generally occurs when a person is unable to process or manage the amount or intensity of sensory stimuli. Invokes a stress response
Sensory overload risk factor
Room close to the nurses station, ICU, bright lights, use of ventilator, use of oxygen, use of IVs, other equipment, frequent treatments
Risk factors for sensory deprivation
Private room, eyes bandaged, bed rest, sensory aid not available( hearing aid, glasses), isolation precautions, and few visitors
Common behaviors that suggest alterations
Change is LOC- withdrawn to irritable, fluctuating alertness and confusion.
Tremors, weakness, decreased response to stimuli, unequal pupils, emotionally labile
What is the purpose of sensation?
To allow the body to respond to changing situations and maintain homeostasis
Vision diseases affecting older adults
Age-related macular degeneration (ARMD), Cataract, Glaucoma, Diabetic Retinopathy.
Taste and Smell Interventions
Oral hygiene, seasonings/texture of foods, liquids between bites, appearance and dates of foods, provide aromas, unpleasant odors, Smoke and carbon monoxide, Visually check gas stove.
Provide touch therapy, turn and reposition client, avoid excessive stimuli for hyper esthetic client, reduce temperature of water heater, clearly mark faucets as hot and cold.
A and O X 3 (time, place, person) understands verbal and written word
Is not A and O x 3
Reduced awareness, easily bewildered; poor memory, misinterprets stimuli; impaired judgment
Extreme drowsiness but will respond to stimuli
Can be aroused by extreme or repeated stimuli
Will not respond to verbal stimuli, and often no response to touch (tactile) stimuli