Exam (elaborations)
PNUR1165 Final Exam Questions And Correct Answers A+ Graded
- Course
- Institution
PNUR1165 Final Exam Questions And Correct Answers A+ Graded...
[Show more]
Content preview
PNUR1165 Final Exam Questions And CorrectAnswers A+ Graded
Wear-and-tear theory
cell errors are the result of "wearing out" over time owing to trauma and continued use.
internal and external stressors increase the number of errors and the speed with which
they occur. these errors cause a progressive decline in cellular function
cross-link theory
explains aging in terms of accumulation of errors by cross-linking, or the stiffening of
proteins in the cell. most easily with collagens
free radical theory
free radicals are natural by-products of cellular activity and are always present to some
extent. it is believed that cellular errors are the result of random damage from
molecules (free radicals) in the cells. exposure to environment pollutants increase
production of free radicals
how does the skin change with age?
- dryness
- pallor
- fragility
- wrinkling and sagging
- decreased perspiration
- age spots
- thinning and greying of body hair
how does the neuromuscular system change with age?
,- decreased speed and power of muscles
- slower reaction time
- loss of height
- loss of bone mass
- joint stiffness
- impaired balance
kyphosis
stopable over, curvature of the cervical vertebrae that results from reduced bone
mineral density (BMD)
what are age-related changes to the sensory and perceptual system?
- loss of visual acuity
- presbyopia
- presbycusis
- reduced sense of taste and smell
presbyopia
progressive loss of vision
presbycusis
progressive loss of hearing
what are age-related respiratory system changes?
decreased ability to expel accumulated matter
decreased lung expansion
, less effective exhalation
reduced vital capacity
increased residual volume
dyspnea with exertion
tidal volume
amount of air you breathe in and out during a normal breath
vital capacity
max inhalation and max exhalation
residual capacity
air still left over in lungs after max exhalation
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81989 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now