3+5 Flashcards
Looking at different groups at the same time
Cross Sectional
Groups may be similar
Matching
Groups are different and may affect the outcome of the study
Cohort Effect
Those who have survived may be different than those who have died
Survivor Effect
Same group studied year after year
Longitudinal Studies
Researcher has the ability to control one aspect of the study at a time to study only one variable.
Clinical (controlled)
The gold standard
Randomized Controlled Trial
Age changes must occur in all members to a certain degree.
Universal
Age changes must be caused by age and not environmental influences
Instrinsic
Age changes must be gradual rather than a specific event
Progressive
Age changes may be slow but not able to go back
Irreversible
Age changes must lead to loss of function
Deleterious
The skin and its accessory organs ____ underlying tissues
Protects
The skin and its accessory organs _____ body temperature
Regulates
The skin and its accessory organs _____ salt and other waste products.
Eliminates
The skin and its accessory organs have ____ _____ which respond to environmental changes such as heat, cold, light touch, pain
Sensory Receptors
Most age associated changes are due to ___ exposure
Sun
Age associated changes can occur due to _____ _____ which can alter texture of skin.
Cigarette Smoking
Age associated changes occur when facial expressions create ____ ____
Laugh Lines
Age associated changes demonstrate skin to be more ____, thinner, easier to tear, and rough to the touch.
Fragile
Age associated changes less blood circulates making elders feel ____, and they ____ more easily.
Cold and Bruise
Age associated changes are also less _________ _____ which makes skin sag
Subcutaneous fat
Age associated changes when finger and toe nails grow more slowly they also get _____.
Rigid
Age associated changes graying of hair is caused by loss of _____.
Pigment
