The healthy body Flashcards

1
Q

What is homeostasis?

A

The regulation of the body’s internal environment to an approximately constant rate.

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2
Q

Give examples of homeostasis in the body.

A

Osmolarity, nutrients, water, sodium, calcium, oxygen and hormones.

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3
Q

What is the range for body temperature?

A

35.5-37.7 degrees celsius.

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4
Q

What is the ideal blood pressure?

A

120/80

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5
Q

What is the ideal range for heartrate?

A

60-80bpm.

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6
Q

What does the physiology mean, in relation to homeostasis?

A

Used if the body is health, and homeostasis is maintained

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7
Q

What does the word pathophysiology mean, in relation to homeostasis?

A

Used if the body is not healthy, and homeostasis is not maintained

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8
Q

What is a disruptor?

A

Stimuli that cause a change in balance.

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9
Q

What is detection?

A

Alerting the body that a change has occurred.

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10
Q

What are effectors?

A

Carry out a response to return the body to the original state and restore the balance.

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11
Q

What is a stimulus response sequence/reflex?

A

The pathway of stimuli, detectors and effectors restoring the balance of the body.

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12
Q

What is the fluid around/between cells called?

A

Interstitial fluid.

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13
Q

What does health mean?

A

That all parts of the body are functioning properly.

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14
Q

What is the biomedical model of health?

A

The idea that the body is like a machine - interconnected but can all be treated separately. Illness if a malfunction of the parts of the body which is measurable. It has an emphasis on scientific methods and knowledge.

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15
Q

What other factors can affect general health?

A

Eating/drinking habits, genetics and gender.

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16
Q

What is the biopsychosocial model of health?

A

The idea that the state of mind can affect susceptibility to illness and disease.
illnesses have underlying biological causes

17
Q

What is the common-sense model of illness?

A

The psychological equivalent of homeostasis.

18
Q

What is the idea of the illness iceberg?

A

That only a small number of symptoms can actually be seen by doctors.

19
Q

What is the medic students disease?

A

The idea that medics can catch negative behaviour from other medics - an anxious mood environment.

20
Q

What is symptom identity?

A

Beliefs concerning the illness label/diagnosis and associated symptoms of the illness.

21
Q

why do we need optimum pH and temp

A

for biochemical reactions to take place

22
Q

Why does homeostasis matter

A

idea of mass conservation means total amount of substance X= (intake + production)-(excretion-metabolism)

23
Q

positive feedback

A

enhances production of product

24
Q

negative feedback

A

system shuts off once endpoint reached

25
Q

what is body fluid

A

watery solution of dissolved substances in the body

26
Q

ECF =

A

plasma (fluid portion of blood) + ISF

27
Q

how does the biomedical model of health match out experiences?

A

it doesn’t, health relates to behaviours

28
Q

What does the World Health Organisation define health as?

A

state of physical, mental and social wellbeing, not merely the absence of disease

29
Q

Self Regulatory model

A

examines relationship between individuals cognitive representation of their illness and subsequent coping behaviour
(psychological version of homeostasis)

30
Q

factors affecting symptom perception

A

demographics, personality traits, environment, mood, social factors eg men more susceptible to heart disease

31
Q

What are illness cognitions

A

a person’s own common self beliefs and thoughts about their health and illness

32
Q

When we experience a sign/symptom what are the 5 domains we think about it in?

A
identity
cause
timeline (acute- limited duration, cyclic- episodes come and go, chronic-long term)
consequences
curability and controllability