PATHO: Exam 1 Study Guide Levels of
Chapter 1: Introduction to prevention Primary - reduce
Pathophysiology What is exposure
pathophysiology Secondary - early detection screening
Tertiary - rehabilitative supportive
care
NUR 2063 PATHO_ Exam 1 Study Guide
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Disease stages, e.g. latent, prodromal,
chronic, exacerbation, convalescence,
etc.
Chapter 2: Stress
Vocabulary: Homeostasis, Allostasis,
habituation
● Homeostasis - a state of equilibrium, of
balance within the organism.
● Fluid and electrolyte
◆ imbalance Homeostatic responses
refer to systems whose purpose is
specifically to normalize selected
physiologic variables.
● Allostasis - overall process of adaptive
change necessary to maintain survival
and well-being.
○ Environment and lifestyle changes
○ Allostasis involves intricate
,NUR 2063 PATHO_ Exam 1 Study Guide LATEST
regulatory processes
orchestrated by the brain.
○ Allostasis may involve altering
multiple physiologic variables to
match the resources of the
body to environmental
demands.
○ It helps the body achieve
homeostasis.
, NUR 2063 PATHO_ Exam 1 Study Guide LATEST
● Habituation - Adaptation to a stressor
○ Ex. not hearing a buzzing sound
after it has gone on for a long
time.
Stress – what is it, purpose of, what determines
response
● Stress - a physical, chemical, or emotional
factor that produces tension in the body
or the mind
Selye GAP syndrome stages, body’s responses to
stages (alarm, resistance, exhaustion)
Mediators of stress, e.g. norepinephrine,
epinephrine, cortisol – what do they
do?