Immunity Flashcards

1
Q

immunity

A

a physiologic process that provides an individual with protection or defense from disease

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2
Q

acquired immunity

A

produced by prior exposure or antibody production

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3
Q

innate immunity

A

genetically determined- no prior exposure
what you are born with
ex. flora in intestines

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4
Q

active immunity

A

produced by antibodies that develop in response to antigens
immune response
MY body creates

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5
Q

naturally acquired immunity

A

develops after exposure to antigens in environment

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6
Q

induced acquired immunity

A

develops after administration of antigen to prevent disease
ex. after getting flu vaccine

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7
Q

passive immunity

A

produced by transfer of antibodies from another person
you get from others

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8
Q

induced passive immunity

A

conferred by administration of antibodies to combat infection

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9
Q

natural passive immunity

A

conferred by transfer of maternal antibodies across placenta or in breast milk

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10
Q

chart:
nutrition
|
immunity
| | | |

A

innate immunity
anti-inflammation
anti-aging
ant-cancer

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11
Q

attributes of immunity
healthy state

A

normal WBC and different counts
negative bacterial and viral cultures
soft, non-tender lymph nodes
recognition of self
recognition of foreign proteins

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12
Q

malnutrition risk factors
protein

A

psychological, social, and environmental
oral and dental disorders
swallowing disorders
psychiatric disorders
changes in mental status
other neurological disorders
long term drug therapy/polymedication
acute/chronic diseases
dependency of ADLs
restrictive diets

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13
Q

antigen

A

proteins that induce an immune response when they enter the body

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14
Q

antigens can be found within:

A

microorganisms
vaccines
transplanted organs
allergens

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15
Q

inflammation

A

cellular response of injury, infection, or irritation

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16
Q

localized S/S of inflammation

A

redness
swelling
heat
pain
loss of function

17
Q

systemic S/S of inflammation

A

fever
increased WBC
malaise
anorexia
n/v
lymph node tenderness/enlargement

18
Q

inflammation response

A

inflammation is a nonspecific response to something that is harmful to the body
ex. infection, injury, or allergen

19
Q

chronic inflammation

A

chronic response
cause of inflammation remains active
tissue destruction continues
scar tissue may continue to form rather than normal functional tissue
response to infections is inadequate
patient experiences chronic symptoms

**inflammation plays a role in many chronic diseases

20
Q

allergic response

A

hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone
can range mild to life threatening
histamine released
body produces antibody to the substance

21
Q

factors increasing host susceptibility to infection

A

developmental
breaks in first line of defense
illness or injury/chronic disease
smoking
substance abuse
multiple sex partners
environmental factors
invasive procedures
surpassed immune system/medications

22
Q

malnutrition

A

infections are frequent and chronic in malnutrition

23
Q

protein- energy malnutrition results in

A

thymus changes

24
Q

micronutrients deficiency affects

A

innate and adaptive immunity response

25
Q

micronutrients

A

iron
zinc
copper
selenium
vitamins

26
Q

corticosteroid

A

stress hormone suppresses the immune system

27
Q

unhealthy coping strategies

A

drinking
smoking
insomnia

28
Q

stress and immune system

A

releases corticosteroid
decreases t cells
unhealthy coping strategies

29
Q

exercise

A

increase t cells
lowers levels of inflammation
causes WBC to circulate more rapidly
greater response to vaccines
flushes out toxins from the body through sweat, urine, and respiratory tract

30
Q

older adults

A

less able to distinguish self from non self
macrophages destroy antigens more slowly
T cells respond less quickly to antigens
WBC are fewer- body less able to remember to defend itself
antibodies become less able to attach antigens
decreased in thirst- increase in UTI’s

31
Q

nursing interventions

A

nutrition
hygiene/hand hygiene
immunization
adequate rest and exercise
education