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Allied Health Yr 2 C > 21. Mechanism of disease > Flashcards

21. Mechanism of disease Flashcards

1
Q

Food insecurity - undernutrition

A

Lack of/not enough food = lowered immunity = increase susceptibility to communicable diseases e.g. TB, measles, cholera, influenza

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2
Q

Food insecurity - malnutrition

A

Imbalance of nutrient intake…
- e.g. Vitamin C deficiency = lowered immunity = increased susceptibility to communicable diseases e.g. cholera OR
- e.g. low iron intake = iron deficiency anaemia = low levels of red blood cells (haemoglobin) in the blood which is responsible for carrying oxygen to the cells = fatigue OR
- e.g. calcium deficiency = osteoporosis = brittle bones = increase risk of fracture (injury)

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3
Q

Male - injuries

A

Higher levels of hormone testosterone = increased risk taking behaviours e.g. driving while intoxicated = injuries e.g. head and/or spinal injury

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4
Q

Post-menopausal female - CVD and osteoporosis

A

Lower levels of hormone oestrogen (compared to pre-menopausal levels) = protective factor for women against CVD and osteoporosis up until menopause therefore increased risk after menopause

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5
Q

Smoking - CVD

A

Inhalation of dangerous chemicals from tobacco smoke = increases the rate of atherosclerosis = sticky plaque build up on blood vessel walls causing hardening and potential blockages resulting in…
- heart attack (coronary heart disease - reduced oxygen flow to heart) AND/OR
- stroke (reduced oxygen flow to the brain)

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6
Q

Smoking - lung cancer

A

Inhalation of dangerous chemicals in tobacco smoke into the lungs = increased risk of abnormal cell growth in the lungs

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7
Q

Smoking - asthma

A

Inhalation of dangerous chemicals in tobacco smoke into the lungs = narrowing and inflammation of airways reducing oxygen flow

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8
Q

Smoking - COPD

A

Inhalation of dangerous chemicals in tobacco smoke into the lungs = progressive, long term lung damage = obstruction of oxygen intake = making breathing difficult = e.g. emphysema, bronchitis

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9
Q

Alcohol - obesity

A

Alcohol is energy dense = increase risk of positive energy balance = weight gain/excess adipose tissue storage = high BMI/obesity

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10
Q

Alcohol - CVD

A

Alcohol is energy dense = increase risk of positive energy balance = weight gain/excess adipose tissue storage = high BMI/obesity = strain on the heart = increase risk heart attack (coronary heart disease)

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11
Q

Alcohol - Type 2 diabetes

A

Alcohol is energy dense = increase risk of positive energy balance = weight gain/excess adipose tissue storage = high BMI/obesity = strain on pancreas = inability to release insulin effectively to regulate blood glucose levels

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12
Q

Alcohol - liver diseases

A

Alcohol is filtered by the liver = excess consumption places strain on the liver to perform this function = liver damage/cirrhosis/disease/failure AND/OR abnormal cell growth in the liver = liver cancer

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13
Q

Alcohol - mental health disturbances e.g. depression

A

Alcohol is a depressant drug = slowing down messages within central nervous system and altering behaviour = which may result in…
- regrettable actions e.g. drink driving fatality
- strain on relationships e.g. fight with friend when intoxicated AND/OR
- addiction e.g. causing financial stress
= mental health disturbances e.g. depression

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14
Q

Alcohol - injuries

A

Alcohol is a depressant drug = slowing down messages within central nervous system and slowing down reaction time, also can increase risk taking behaviours e.g. driving while intoxicated, swimming while intoxicated, jumping off balcony, etc. = injuries such as broken leg, head and/or spinal injury, etc.

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15
Q

High BMI - CVD

A

Excess adipose tissue = strain on the heart = increase risk of heart attack/ischaemic heart disease/coronary heart disease (reduced oxygen flow to the heart)

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16
Q

High BMI - cancer

A

Excess adipose tissue = increase risk of a range of cancers (abnormal and uncontrollable cell growth) e.g. stomach cancer, kidney cancer

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17
Q

High BMI - osteoarthritis

A

Excess adipose tissue = increase strain on joints e.g. knee = increase risk of osteoarthritis (wearing down of cartilage between the joints causing inflammation, pain, stiffness)

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18
Q

High BMI - Type 2 diabetes

A

Excess adipose tissue = increase strain on the strain on pancreas = inability to release insulin effectively to regulate blood glucose levels

19
Q

Low fruit and vegetable intake - obesity

A

Low intake of fibre = reduced satiety = more likely to overeat/snack on energy dense foods = increase risk of positive energy balance = weight gain/excess adipose tissue = High BMI

20
Q

Low fruit and vegetable intake - colorectal cancer

A

Low intake of insoluble fibre = less bulk added to faeces = cancer causing agents can linger in the bowel = increased increased risk of polyps which may turn cancerous = abnormal and uncontrollable cell growth in colon/bowel and rectum

21
Q

Low fruit and vegetable intake - cancer (in general)

A

Low intake of antioxidants = antioxidants help to neutralise free radicals so without these increased risk of abnormal and uncontrollable cell growth e.g. kidney cancer, stomach cancer

22
Q

Low fruit and vegetable intake - communicable diseases

A

Low intake of Vitamin C = lowered efficiency of immune system = increase susceptibility to communicable diseases e.g. TB, measles, whooping cough, cholera, influenza

23
Q

Low dairy intake - osteoporosis

A

Low intake of calcium = less efficient ossification of bones = more porous and weak bone structure = osteoporosis (increase risk of fractures)

24
Q

Low dairy intake - dental carries

A

Low intake of calcium = more porous/weaker tooth enamel = increase risk of dental carries/tooth decay

25
Q

High intake of fat - CVD

A

Excess saturated and trans fat consumption = increase cholesterol production = excess deposited on artery walls as plaque = atherosclerosis = hardening of blood vessels increase risk of…
- heart attack (reduced oxygen flow/blockage to heart) OR
- stroke (reduced oxygen flow/blockage to brain)

26
Q

High intake of fat - Type 2 diabetes

A

Fat is energy dense = excess consumption can result in positive energy balance = weight gain/excess adipose tissue = increase strain on pancreas = inability to release insulin effectively to regulate blood glucose levels

27
Q

High intake of fat - obesity

A

Fat is energy dense = excess consumption can result in positive energy balance = weight gain/excess adipose tissue = high BMI

28
Q

High intake of salt - CVD

A

Excess salt consumption = water is drawn from the cells = increase blood volume = increased risk hypertension/high blood pressure

29
Q

High intake of salt - osteoporosis

A

Excess salt consumption = as excess salt is excreted from the body in urine = calcium excreted also lowering stores of calcium in bones = porous bones = osteoporosis (increase risk of fractures)

30
Q

High intake of sugar - obesity

A

Sugar is energy dense = excess consumption can result in positive energy balance = weight gain/excess adipose tissue = high BMI

31
Q

High intake of sugar - Type 2 diabetes

A
  • Sugar is energy dense = excess consumption can result in positive energy balance = weight gain/excess adipose tissue = increase strain on the strain on pancreas = inability to release insulin effectively to regulate blood glucose levels OR
  • Excess sugar consumption = increased stress on pancreas to constantly release insulin to regulate blood glucose levels = overtime the body can develop insulin resistance
32
Q

High intake of sugar - dental carries

A

Excess sugar consumption = excess bacteria in the mouth = tooth decay

33
Q

Low intake of fibre - colorectal cancer

A

Low intake of insoluble fibre = less bulk added to faeces = cancer causing agents can linger in the bowel = increased risk of polyps which may turn cancerous = abnormal and uncontrollable cell growth in colon/bowel and rectum

34
Q

Low intake of fibre - obesity

A

Low intake of fibre = reduced satiety = more likely to overeat/snack on energy dense foods = increase risk of positive energy balance = weight gain/excess adipose tissue = High BMI

35
Q

Low intake of fibre - CVD

A

Low soluble fibre intake = less removal of plaque/cholesterol build up from arteries, higher levels of (lethal) low density lipoproteins = increased risk of atherosclerosis (hardening of blood vessels)

36
Q

Low intake of iron - iron deficiency anaemia

A

Low iron intake = lower red blood cell count = lower haemoglobin (oxygen carrying component of blood) = tiredness, weakness, etc.

37
Q

Low intake of water - colorectal cancer

A

Low water intake = harder/dry stools = cancer causing agents can linger in bowel for longer = abnormal and uncontrollable cell growth

38
Q

Low intake of water - obesity

A

Low water intake may indicate fluid intake/hydration coming from energy dense alternatives e.g. energy or soft drinks, flavoured milks, etc = increased risk of positive energy balance = weight gain/excess adipose tissue

39
Q

Low access to safe water - communicable, waterborne diseases

A

Unsafe water = water contaminated with pathogens, bacteria, viruses, etc - increase risk of waterborne diseases e.g. cholera, typhoid, dysentery
*Note: also pollution e.g. lead pollution can cause e.g. lead poisoning

40
Q

Low access to sanitation - communicable, waterborne diseases

A

Inadequate/poor quality sanitation = exposure to waste products e.g. human faeces from lack of flushing toilet or inadequate hand washing hygiene stations = communicable diseases e.g. cholera, typhoid, dysentery

41
Q

Poor quality housing e.g. poor ventilation - communicable disease

A

Inadequate ventilation = spread of communicable diseases e.g. influenza or TB which are contagious and passed on through droplets e.g. cough, sneeze

42
Q

Overcrowded housing - Measles

A

Inadequate spacing within a home = increase spread of communicable diseases e.g. coughing or sneezing = increase risk of measles

43
Q

Humid weather conditions, stagnant water - malaria

A

Increases breeding amongst mosquitoes = increase in risk of vector borne diseases such as malaria (parasitic infection that attacks red blood cells resulting in high fever, sweating, chills)

44
Q

Poor quality housing/shelter - NTDs (Neglected Tropical Diseases)

A

Lack of safe, private, protective shelter = increase risk of animal attacks e.g. dog bites with rabies (rabies is an NTD)

Allied Health Yr 2 C (24 decks)

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