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ATI Fundamentals & Basics

Terms in this set (355)

Older adults have more difficulty seeing in low light or glare is correct.
*Difficulty focusing close up may begin in the 40s, and the ability to distinguish fine details may begin to decline in the 70s.
*From 50 on, there is increased susceptibility to glare, greater difficulty in seeing at low levels of illumination, and more difficulty in detecting moving targets.

Personality changes are common in older adults is incorrect.
*With age, the brain loses some neurons and others become damaged.
*However, the brain adapts by increasing the number of synapses (connections between cells) and by regrowth in the dendrites and axons that carry messages in the brain.
There is no concomitant change in personality associated with the changes in the brain. Personality is quite stable, and sudden changes may suggest disease processes.

Vital capacity of the lungs declines significantly between the ages of 20 and 70 is correct.
*The maximum vital capacity of the lungs declines with age, approximately 10% each decade, probably due to both decreased elasticity and increased residual volumes.

Cardiac output decreases with age due to decreased heart size is incorrect.
*The heart will actually grow slightly larger with age.
*Maximal oxygen consumption during exercise declines by about 10% with each decade of adult life.
*However, cardiac output stays nearly the same because the heart pumps more efficiently.

Bladder capacity decreases and the kidneys become less efficient with age is correct.
With age, the kidneys gradually become less efficient at extracting waste from the blood. Bladder capacity declines; however, urinary incontinence, which may occur after tissue atrophy, is not universal in the older adult.