Flashcards in Unit 1: Human Lifespan Development Deck (21):
What changes occur to the cardiovascular with ageing?
Heart increases in size and the wall thickens making it difficult for muscle to relax and fill with blood.
Artery walls narrow due to fats clogging them.
Pacemaker cells decrease.
Valves thicken and stiffen.
What health factors may affect cardiovascular health?
High blood pressure
High blood cholesterol
What lifestyle factors may affect cardiovascular health?
Diet high in salt
Diet high in saturated fats
Lack of exercise
Negative effects of cardiovascular disease
Loss of independence
Anxiety about health
Positive effects of cardiovascular disease
Closer relationships with family and friends
What can cardiovascular disease and ageing cause?
Hypertension (high blood pressure)
What is the degeneration of the nervous tissue?
It is the loss of neurons in the brain to decreases the ability to send and receive nerve impulses.
What are the effects of degeneration of nervous tissue?
Reaction time increase
Reduction in reflex
Difficulty receiving/processing info
Decline in STM
Decline in verbal capability
Why may someone get Parkinson's disease?
Caused due to the loss of neurons from brain structure that control movement.
What are the physical effects of Parkinson's?
Loss of mobility
What are the cognitive effects of Parkinson's?
Impairment in thinking and problem solving
What is the degeneration of the sense organs?
The senses that help receive info from environment decrease in capability.
How does TASTE degenerate?
Number of taste buds decreases
Production of saliva decreases
Ability to smell decreases.
How does TOUCH degenerate?
Decrease of receptor cells
Reduced sensitivity to: temperature, injury, touch.
Increased sensitivity of skin to sun.
How does SIGHT degenerate?
Vision becomes less sharp
cloudiness of vision
How does HEARING degenerate?
fluid filled tubes become affected
cant hear high frequency sounds
distinguishing between sounds
What are the social and emotional effects of degeneration of sense organs?
reduced social opportunities
loss of independence
difficulty taking part in leisure activities
What is osteoarthritis?
swelling and pain in joints
damage to soft tissue around joints
difficulty climbing stairs
What increases the risk of osteoarthritis?
injury to joints
being over 40 yo
What happens to the absorption of nutrients with aging?
Absorption of nutrients decreases.