Stress And Adaption Flashcards

1
Q

Stressors

A

Are tension producing stimuli operating within or on any system

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2
Q

Appraisal

A

How people interpret the impact of the stressor on themselves or on what is happening in what they are able to do about it

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3
Q

Crisis

A

When stress overwhelms existing coping mechanisms, patients lose emotional balance, and a crisis results.

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4
Q

Trauma

A

If the symptoms of stress persist beyond the duration of the stressor, a person has experienced a trauma.

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5
Q

Fight or flight response

A

Arousal of the sympathetic nervous system, prepares a person for action. Functions through negative feedback.

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6
Q

What structures control the response of the body to a stressor?

A

The medulla oblongata, The reticular formation, and the pituitary gland

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7
Q

Medulla Oblongata

A

Located in the lower portion of the brain stem, controls heart rate, blood pressure, and respiration.

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8
Q

Parasympathetic

A

Decreases

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9
Q

Sympathetic

A

Increases

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10
Q

Reticular formation

A

The small cluster of neurons in the brain stem and spinal cord, continuously monitors the physiological status of the body through connections with sensory and motor tracts

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11
Q

Pituitary gland

A

A small gland immediately behind the hypothalamus. It produces is necessary for adaption to stress, also regulates the secretion of thyroid, gonadal, and parathyroid hormones.

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12
Q

General adaption syndrome (GAS)

A

Describes how the body response to stressors through the alarm reaction, resistance stage, and exhaustion stage. Is triggered either directly by physical events or indirectly by psychological events. The pituitary gland initiates the GAS.

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13
Q

The General adaption syndrome (GAS) stages;

A
  1. Alarm reaction – rising hormone levels result in increased blood volume, blood glucose levels, epinephrine and norepinephrine amounts, heart rate, blood flow to muscles, oxygen intake, and mental alertness, pupils dilate to produce a greater visual field.
  2. Resistance stage-The body stabilizes. All returns to normal and the body repairs any damage that had occurred.if stress response is chronically activated allostasis occurs. This chronic arousal causes excessive wear and tear and is called allostatic load, which leads to chronic illness.
  3. Exhaustion stage – occurs when the body is no longer able to resist the effects of the stressor and has depleted the energy necessary to maintain adaption. A person’s addiction to the stressors diminishes.
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14
Q

Allostatic load

A

Chronic arousal of stress response with the persistence of powerful hormones causes excessive wear and tear on a person

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15
Q

Primary appraisal

A

Evaluating an event for its personal meaning

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16
Q

Secondary Appraisal

A

If stress is present, focuses on possible coping strategies

17
Q

Coping

A

The persons effort to manage psychological stress

18
Q

Ego defensive mechanisms

A

Regulate emotional distress and thus get a person protection from anxiety and stress. Help a person cope with stress indirectly and offer psychological protection from a stressful event.
Denial, rationalization, compensation, repression, regression, sublimation, identification, projection, conversion, displacement, reaction formation

19
Q

Post-traumatic stress disorder

A

Begins with a person experiences, witnesses, or is confronted with a Trumatic event in response with intense fear or helplessness

20
Q

Three types of crises:

A

Maturational or developmental crisis
Situational crisis
Disasters or adventitious crisis

21
Q

The Neuman systems model

A

Based on the concept of stress and reaction to it. Views the person, family, or community as it constantly changes in response to the environment and stressors and helps explain individual, family, and community response to stressors.

22
Q

Situational factors influencing stress and coping

A

Arises from personal or family job changes for relocation, adjusting to chronic illness, uncertainty associated with treatment and illness, paying for treatment

23
Q

Maturational factors influencing stress and coping

A

Stressors Mary with life stage.

Example) adolescent search for identity, old age loss of functions

24
Q

Sociocultural factors influencing stress and coping

A

Environmental and social stressors lead to developmental problems. Ex) handicapped, abuse, homelessness

25
Health promotion to decrease stress
``` Regular exercise Support system Time management Guided imaginary in visualization Progressive muscle relaxation Assertiveness training Journal writing Stress management in the workplace ```
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Stress
And experience to which a person is exposed through a stimulus or stressor. Can be physical, emotional, psychological
27
Homeostasis
The tendency of the body to maintain a state of balance or equilibrium well continually changing
28
Physiologic homeostasis
Mechanism that regulates the body's internal environment. | Primarily the autonomic nervous system and the endocrine system
29
Psychological homeostasis
Mechanism that help maintain a state of mental well-being. Coping or defense mechanisms
30
Characteristics of homeostatic mechanisms
Self regulating Compensatory Regulated by negative feedback May require several feedback mechanisms to correct one imbalance
31
Physiologic stressors
``` Chemical agents Physical agents – trauma, hot or cold, radiation Infectious agents Genetic disorders Nutritional imbalance Hypoxia – oxygen deprivation ```
32
Psychosocial stressors
``` Accidents and there survivors Fear of aggression Events of history – PTSD developmental and life crisis Rapid changes in the world – economic, political, Teknowledge ```
33
Responses to stress
``` Physiologic response- fight or flight Local adaption syndrome General adaption syndrome Psychological response-coping Anxiety ```
34
Local adaption syndrome
Inflammatory response | Destroys or dilutes the injurious agent, localizes the destruction, promotes wound healing
35
Signs of inflammation
Pain, swelling, redness, heat, impaired function
36
Stages of inflammation
1. Cellular and vascular changes – control bleeding/histamine release, increased capillary permeability Anna increase bloodflow in white blood cells. 2. Formation of inflammatory exudate-neutrophils increase, exudate in the form of pus occurs, containing dead white blood cells, Necrotic tissue, and fluids that escape from damaged cells. 3. Tissue repair and replacement – healthy cells divide, white blood cells trigger new blood vessel growth and scar tissue formation
37
Types of exudate
``` Serous-watery Catarrhal-discharge of mucus membrane Purulent-green, yellow pus Fibrinous-sticky Hemorrhagic-RBC, sangunus ```
38
Anxiety
They sense of impending doom or apprehension that has no identifiable source. Four levels- mild, moderate, severe, panic
39
Stress assessment
Subjective data Objective data Factors to assess – perception of stressor, available coping resources, maladaptive coping used, adherence to healthy practices