B5 Communicable Disease Flashcards
1
Q
Definition Health
A
A state of physical and mental wellbeing
2
Q
Definition Pathogens
A
Micro-organisms that cause communicable disease
3
Q
Bacteria method of damage
A
Release toxins
4
Q
Pathogens Spreading Methods
A
People, Water, Air or direct contact
5
Q
Disease spreading prevention
A
Being Hygeienic, destroying vectors, isolation and vaccinations
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
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
8
Q
Salmonella
A
- Fever, abdominal cramps, vomiting and diarrhoea
- Bacteria ingested in food in unhygeinic conditions
- UK poultry vaccinated
9
Q
Gonnorhea
A
- Yellow or Green discharge from genitals and pain urinating
- STD
- Treated with anitbiotics or barrier contraception
10
Q
TMV
A
- Mosaic pattern discolouration where they cannot photosynthesise
- Remove infected leaves or plants
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
12
Q
Malaria
A
- Episodes of fever, potentially fatal
- Spread by vectors like mosquitos
- Prevention is preventing vectors from breeding and mosquito nets
13
Q
White Blood Cell 3 functions
A
- Phagocytosis - Engulf pathogens
- Antibody production - attaching markers to pathogens
- Antitoxin production - neutralising toxins from bacteria
14
Q
Symptomns of nitrate defiency
A
Stunted Growth. Needed for protein synethesis and therefore growth.
15
Q
Symptomns of magnesium defiency
A
Chlorosis. Needed to make chlorophyll
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
