test 5 units 17-19 Flashcards
The scientific study of aging is called A) senescence B) the Hayflick limit C) life expectancy D) Gerontology
D
Definition
seniors whose physical and/or mental impairments are so extensive that they cannot care for themselves
Frail Elderly
Definition
a measure of an individual’s ability to perform certain roles and tasks, particularly self-help tasks and other chores of daily living
Functional Status
Definition
self-help tasks such as bathing, dressing, and using the toilet
Activities of Daily Living (ADL)
Definition
more complex daily living tasks such as doing housework, cooking and managing money
Instrumental Activities Of Daily Living (IADLS)
What happens to dendritic density with aging?
A) It continues to thicken
B) More redundant neural pathways are added
C) It begins to thin as dendrites are lost and not replaced
D) The loss of density is equally distributed throughout the brain
C
Which of the following tends to happen to vision as we age?
A) Increased blood flow to the eyes, resulting in blurred peripheral vision
B) An expanded field of vision, though with reduced lens focus
C) An enlarged blind spot
D) An increase in density in the optic nerve
D
List the causes of dementia:
SHORT ANSWER
alzhemer’s disease (most common), intercurrent illnesses, infections, metabolic disturbances and drug intoxications
List the some major factor that interact with longevity.
SHORT ANSWER
Health Habits
Environment
Family Background
Lifestyle Choices
List the four major changes in the brain during the adults years:
SHORT ANSWER
a reduction of brain weight, a loss of grey matter, a decline in the density of dendrites, and slower synaptic transmission speed
What happens to dendritic density with aging?
A) It continues to thicken
B) More redundant neutral pathways are added
C) It begins to thin as dendrites are lost and not replaced
D) The loss of density is equally distributed throughout the brain
C) It begins to thin as dendrites are lost and not replaced
Which of the following tends to happen to vision as we age?
A) Increased blood flow to the eyes, resulting in blurred peripheral vision
B) An expanded field of vision, though with reduced lens focus.
C) An enlarged blind spot
D) An increase in the density of the optic nerve
D) An increase in the density of the optic nerve (this was a guess)
theoretical proposal that each species is subject to a genetically programmed time limit after which cells no longer have any capacity to replicate themselves accurately
Haylick limit
mental and physical functioning decline drastically only in the few years immediately preceding death
significant declines in all functions
Terminal drop
a period during which vital signs are absent but resuscitation is still possible
clinical death