B5 Communicable Disease Flashcards

1
Q

Definition Health

A

A state of physical and mental wellbeing

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2
Q

Definition Pathogens

A

Micro-organisms that cause communicable disease

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3
Q

Bacteria method of damage

A

Release toxins

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4
Q

Pathogens Spreading Methods

A

People, Water, Air or direct contact

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5
Q

Disease spreading prevention

A

Being Hygeienic, destroying vectors, isolation and vaccinations

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6
Q

Measles

A
  • Fever and Skin rash
  • Fatal if complications arise
  • Most young children are vaccinated
  • Spread by inhalation of droplets of sneezes and coughs
  • Virus
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7
Q

HIV

A
  • Flu-like
  • Attacks bodies immune system
  • AIDS occurs when bodies immune system is disfunctional
  • Spread by Sexual Contact or bodily fluid spread
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8
Q

Salmonella

A
  • Fever, abdominal cramps, vomiting and diarrhoea
  • Bacteria ingested in food in unhygeinic conditions
  • UK poultry vaccinated
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9
Q

Gonnorhea

A
  • Yellow or Green discharge from genitals and pain urinating
  • STD
  • Treated with anitbiotics or barrier contraception
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10
Q

TMV

A
  • Mosaic pattern discolouration where they cannot photosynthesise
  • Remove infected leaves or plants
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11
Q

Rose Black Spot

A
  • Stunted growth as leaves are killed
  • Spread by wind and water
  • Treated with fungicides or removing infected leaves
  • Fungal
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12
Q

Malaria

A
  • Episodes of fever, potentially fatal
  • Spread by vectors like mosquitos
  • Prevention is preventing vectors from breeding and mosquito nets
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13
Q

White Blood Cell 3 functions

A
  1. Phagocytosis - Engulf pathogens
  2. Antibody production - attaching markers to pathogens
  3. Antitoxin production - neutralising toxins from bacteria
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14
Q

Symptomns of nitrate defiency

A

Stunted Growth. Needed for protein synethesis and therefore growth.

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15
Q

Symptomns of magnesium defiency

A

Chlorosis. Needed to make chlorophyll

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16
Q

Insect that can damage plants

A

Aphids. Ladybirds incouraged to populate fields to kill them.

17
Q

Plant disease identification

A
  • Reference to gardening manual
  • Testing infected plants in a lab
  • Using monoclonal antibodies for testing
18
Q

Physical plant defence

A
  • Cellulose cell walls
  • Tough waxy cuticle on leaves
  • Bark (layer of dead cells)
19
Q

Chemical plant defence

A
  • Anti-bacterial chemicals
  • Poisons to deter herbivores
20
Q

Mechanical plant defence

A
  • Thorns and hairs deter animals
  • Leaves that curl when touched
  • Environmental mimicry
21
Q
A