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biology > Health and Disease > Flashcards

Health and Disease Flashcards

1
Q

What is communicable diasese?

A

Infections spread from one person to another.

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2
Q

What is non-communicable disease?

A

Infections cannot spread from one person to another.

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3
Q

What are pathogens?

A

Disease-causing viruses, bacteria, fungi or protists

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4
Q

What can different diseases do to you?

A

Defects in the immune system mean that an individual is more likely to suffer from infectious diseases.

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5
Q

What are all pathogens life cycle?

A

infect, reproduce(virus only), and spread to other organisms

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6
Q

What are disease caused by pathogens called?

A

Communicable disease

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7
Q

What type of disease can’t be passed on?

A

non-communicable disease

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8
Q

what is examples of transmission?

A
  1. direct contact
  2. water
  3. air
  4. unhygienic food prep
  5. vector
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9
Q

what are the seven life processes?

A

movement
respiration
sensitivities
nutrition
excretion
reproduction
growth

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10
Q

What are symptoms of ebola?

A
  1. fever and headache
  2. joint pain
  3. muscle weakness
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11
Q

What is respiration?

A

produces energy by reacting glucose with oxygen

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12
Q

What are the characteristics of aerobic respiration?

A

Uses oxygen and produces Co2 and H2O.

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13
Q

What are the characteristics of anaerobic respiration?

A

no oxygen, produces lactic acid, small amount of energy released

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14
Q

What is respiration in yeast?

A

acts as an energy source for respiration

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15
Q

What is cellular respiration?

A

a series of chemical reactions that release energy from glucose

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16
Q

Why does your body need a constant supply of energy?

A

moving, keeping warm and breaking down substances

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17
Q

What is Heart Failure?

A

when the heart is unable to pump blood around the body properly

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18
Q

How is malaria spread?

A

it is spread from animal to animal by mosquitos

19
Q

What are 6 lifestyle factors the increase chance of disease?

A

Poor diet
Lack of sleep
Too much stress
Smoking
Lack of exercise
Drinking alcohol

20
Q

Why is measuring obesity important?

A

identify the risk for serious health issues associated with excess body fat

21
Q

What is smoking a risk factor for?

A

Cardiovascular disease and lung disease

22
Q

Which organisms does TMV infect?

A

tomato and tobacco

23
Q

How is rose black spot treated?

A

use of fungicides
removing the affected leaves

24
Q

What is obesity a risk factor for?

A

type 2 diabetes

25
Q
A
26
Q

What is an antigen?

A

any substance that your body sees as foreign

27
Q

What is an antibody?

A

a protein produces by white blood cells

28
Q

What are 4 devices that prevent pathogens entering the body?

A

Skin
Stomach acid
Hairs and mucus
Tears in eyes

29
Q

Are all bacteria pathogens?

A

no only a small portion of them cause disease

30
Q

What is a pathogen?

A

a microorganism that causes disease

31
Q

Who discovered penicillin?

A

alexander fleming

32
Q

What is the role of the immune system?

A

To locate and destroy pathogens that enter the body

33
Q

What is drinking alcohol a risk factor?

A

Liver and Brain cancer

34
Q

What does HIV stand for?

A

Human Immunodeficiency Virus

35
Q

What type of organism causes malaria?

A

protist

36
Q

What is obesity?

A

where someone has an excessive amount of body fat

37
Q

What are antitoxins?

A

small proteins produces by white blood cells

38
Q

What does health mean?

A

the state of both physical and mental wellbeing

39
Q

What is the cardiovascular system?

A

an organ system

40
Q

What are fungi?

A

eukaryotic organisms

41
Q

What is a virus?

A

Infections that can only replicate inside living cells

42
Q

How is BMI calculated?

A

Mass / Height2

43
Q

What cells defend against pathogens?

A

White blood cells

biology (9 decks)

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