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Exam (elaborations)

NUR304-PN Questions & 100% Correct Answers

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Pathophysiology :~~ The study of abnormalities in physiologic functioning of living beings. Epidemiology :~~ The study of patterns of disease involving aggregates of people. Etiology :~~ The study of the causes or reasons for phenomena. Homeostasis :~~ Remaining stable by remaining the same....

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  • September 8, 2024
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1 | P a g e | © copyright | 2024/2025 | Grade A+ |




NUR304-PN Questions & 100% Correct
Answers-
Pathophysiology

:~~ The study of abnormalities in physiologic functioning of living beings.




Epidemiology


:~~ The study of patterns of disease involving aggregates of people.




Etiology

:~~ The study of the causes or reasons for phenomena.




Homeostasis

:~~ Remaining stable by remaining the same. Conceptualized as a state of being in

which all systems are in balance around a particular ideal "set-point."




Allostasis

:~~ The organism's overall stability being accomplished through change.




GAS




Master01 | September, 2024 | Latest Update

, 2 | P a g e | © copyright | 2024/2025 | Grade A+ |


:~~ General Adaptation Syndrome: Alarm Stage, Resistance/Adaptive Phase,

Exhaustion




Alarm Phase

:~~ Fight-or-Flight Response

Hypothalamus secretes corticotropin-releasing hormone (CRH) to activate the

Sympathetic Nervous System which stimulates the adrenal medulla (inner portion

of the adrenal gland) to release the catecholamines.

Negative Feedback Loop - Returning to Homeostasis from Fight-or-Flight (occurs

simultaneously)

Hypothalamus secretes CRH stimulate the anterior pituitary gland to release

adrenocorticotropic hormone (ACTH). ACTH then causes the adrenal cortex (outer

portion of the adrenal gland) to release corticosteroids.




Resistance/Adaptive Phase

:~~ Allostasis is essentially the activation of these stress responses to evoke

changes that return the organism to homeostasis.




Exhaustion


:~~ If the alarm stage were to persist (homeostasis doesn't return), the body

would suffer undue wear and tear and become subject to permanent damage and

even death.




Master01 | September, 2024 | Latest Update

, 3 | P a g e | © copyright | 2024/2025 | Grade A+ |


Catecholamines

:~~ Epinephrine and Norepinephrines




Risk Factors


:~~ Conditions or situations that increase the likelihood of encountering or

experiencing a stressor.




Atrophy

:~~ Decreased cell size.




Hypertrophy

:~~ Increased cell size.




Hyperplasia

:~~ Increased cell number.




Metaplasia

:~~ Conversion of one cell type to another.




Dysplasia


:~~ Disorderly cell growth.



Master01 | September, 2024 | Latest Update

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