Exam 3 Flashcards
What is growing older?
physical decline that is related to aging and during which the body becomes less strong and efficient
What do 30-65 years olds feel?
5-10 years below their true age
What is true of physical aging that young people dont believe?
It is not as likely to impair as young people think
What happens to every organ system and cell do with aging?
slows
What is senescence?
the process of agingin, the body becomes less strong and efficient
What is the cause of senescence?
a mix of genes and lifestyle choices
- affect every part of the body
- unsure why it occurs
What does blood pressure do with age
increases
What effects the decline of maximum breathing with age
risk, smoking, eating, exercising, stress
What part of the brain grows during adulthood?
- new neurons
- hippocampal plasticity
How do allostasis and homeostasis effect the brain?
they protect it
What happens to reaction time with age?
neurons fire slower
- axon and dendrite travel time increases
- reaction time lengthens
What happens to brain size with adulthood?
decreases, multitasking gets harder
What is true about learning new skills in adulthood?
It is harder
What happens by age 30 for skin?
becomes thinner, less flexible, wrinkles become visible
What happens by age 40 for skin?
age spots, tiny blood vessels, other imperfections
what happens to hair with aging?
turns grey, thinner, less dense
What is “middle age spread?
muscles weaken, body shape changes by age 50
What happens to height by late middle age?
height decreases, joints lose flexibility, agility decreases
What happens to vision?
Peripheral narrows faster than frontal, color shifts from vivid to faded, adjustment to darkness takes longer,, nearsightedness increases
What is presbycusis?
a loss of hearing that is associated with senescence and that usually does not become apparent until after age 50
What happens with sexual arousal?
slower to get horny slower to cum
Who is sex more important for?
MEN
What percentage of couples are infertile US
12
What are the causes of infertility for males?
advanced age
-fever -prescription-drugs-stress-environmental toxins-cigarretes-
What are the causes of infertility in females?
diseases, smoking, extreme dieting, obesity, pelvic inflammatory disease
What is ART
Assisted reproduction technology
What is IVF
procedure in which ova are surgically removed from a woman and fertilized with sperm in a lab then reinserted
What happens to HIV pregnant women
drugs, and cesarean protect the fetus
What happens to HIV positive males
sperm collected and washed used for IVF
-natural conception with virus suppressant drugs
What is menopause?
time in middle age when a woman stops menstrating and estrogen, progesterone, and testosterone, decline
What is the average afe of menopause?
51
What is HRT?
Hormone Replacement Therapy
What does HRT do?
compensates for hormone reduction at menopause or after removal of ovaries
What is Andropause
male menopause ( a drop in testosterone, sexual desire, erection, and muscle)
What is true of drug use in adulthood?
decreases with age
Tobacco?
a leading risk for many diseases