homeostasis Flashcards

1
Q

what is homeostasis?

A

constant process of equilibrium managed by multiple mechanisms.

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2
Q

what happens when the equilibrium is impacted?

A

illness occurs, affecting our physical, psychological and emotional wellbeing.

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3
Q

what are the three types of negative feedback mechanisms?

A
  1. the sensor
  2. control centre
  3. effector
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4
Q

negative feedback mechanisms: what is the sensor?

A

monitors specific physiological value depending on the type of body system part.

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5
Q

negative feedback mechanisms: what is the control centre?

A

compares the receptors stimulus with the normal parameters.
if it is not at the normal then the effector will be triggered.

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6
Q

negative feedback mechanisms: what is the effector?

A

the response to reverse the initial stimulus that’s outside the desired parameters.

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7
Q

what is the neural connection?

A

receptors

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8
Q

what is the brain in control with

A

the control centre

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9
Q

what is positive feedback mechanisms?

A

does the opposite to negative feedback mechanisms. trying to increase stimuli.

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10
Q

what are the different ways illness is described?

A
  1. diseases
  2. disorders
  3. syndromes
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11
Q

definition of disease:

A

an abnormality that causes changes in anatomical and physiological function.

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12
Q

definition of disorders:

A

more favoured over disease due to include of physical, mental, behavioural, sexual, cognitive and emotional health

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13
Q

definition of syndrome:

A

a group of signs or symptoms or characteristics that present together.

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14
Q

disease and injuries: acute alterations:

A

causes short term issues within the body and responds to rapid treatment

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15
Q

disease and injuries: chronic changes

A

causes long term anatomical and/or physiological changes which requires long term management

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16
Q

diseases and injuries: progressive

A

when condition worsen over a period of time

17
Q

diseases and injuries: life-limiting:

A

when a conditions worsen over a period of time.

18
Q

disease and injuries: acute on chronic:

A

when an individual with a chronic condition has an acute “flare up” or “exacerbation”

19
Q

diseases and injuries: sub-acute:

A

when a condition cannot be classed as acute, but it is closer to being chronic.

20
Q

communicable disease:

A

transferred by an infectious or contagious agent

21
Q

non-communicable disorders:

A

when diseases develop due to risk factors such as lifestyles choices

22
Q

congenital:

A

when a defect during foetal development

23
Q

acquired:

A

any diseases that occurs after birth

24
Q

what factors impacts variation in health include?

A

Age
Ethnicity
Environmental factors
Gender
Development
Upbringing
Genetic Factors

25
Q

our attitudes change the key role in our bodies impacting homeostasis:

A

Diet
Use of alcohol, drugs or smoking
Social influences
Exercise
Cultural factors
Religious factors
Environmental factors, such as travelling