Quiz 1 (week 2) Flashcards
1
Q
stochastic theories
A
- changes occurring due to errors within cells or DNA
- progressive decline
2
Q
programmed aging (non stochastic theories
A
- changes occurring due to pre-programmed/determined processes
3
Q
stochastic and non stochastic viewpoint similarities are:
A
- cells become disorganized
- cell can’t replicate
- cellular death
4
Q
wear and tear theory (stochastic)
A
- cells wearing out over time due to stress and continuous use
5
Q
epidermis changes
A
- thins
- BV and bruises more visible
- cell renewal decreases
- melanocytes decrease
6
Q
Dermis changes
A
- shows the signs of aging
- loses thickness
- collagen decreases
7
Q
hypodermis changes
A
- fat decreases
- more sensitive to cold and heat
8
Q
why is vitamin B important
A
- calcium absorption and osteoporosis prevention
- chronic disease risks
- 800-2000 IU per day
9
Q
how to promote healthy skin while aging
A
- sunscreen
- moisturizer after bathing
- hydrated
- avoid sun exposure
10
Q
hair changes
A
- hair growth decreases
- hair in ear, nose, and eyebrow for men increases and stiffens
- women develop facial hairs
11
Q
nail changes
A
- harder, thicker, brittle, dull
- nail fungus
- blood supply decreases
12
Q
musculoskeletal changes
A
- vertebral discs thin, shortening trunk
- body changes
- reduced bone density
13
Q
cardiovascular changes
A
- decreased coronary artery blood flow, stroke volumes, CO
- heart takes longer to accelerate and calm
- myocardial and blood vessels stiffening
- decreased responsiveness to demands
14
Q
respiratory system changes
A
- loss of elastic recoil
- stiffening chest wall
- gas exchange decreases
- environmental exposures
15
Q
renal system changes
A
- blood supply through kidneys decreases 10% per decade
- creatinine decreases
