B5

Question 1

Communicable diseases

Answer 1

Spread by pathogens. Spread can be prevented using facecoverings, social distancing, iscolation, ventalation and sanitising.

Question 2

Skin

Answer 2

Acts as a barrier between the body and pathogens that want to enter it. Pathogens can enter a cut if it isn’t cleansped properly or doesn’t have time to form a scab.

Question 3

Respiaritory system

Answer 3

Vulnerable to disease as it constantly takes in air and other particles into the body.

Question 4

Nose

Answer 4

Contains hair and mucus which traps microorganisms

Question 5

Trachea

Answer 5

Has mucus on it’s lining which traps microorganisms

Question 6

Phagocyte

Answer 6

Ingest pathogens, digesting and destroying them so they cannot make you ill

Question 7

Lymphocyte (B-cells)

Answer 7

Create unique antibodies (unique to the pathogen) to destroy pathogens. Can produce them faster the next time that the same pathogen enters the body.

Question 8

Lymphocyte (T-cells)

Answer 8

Produce antitoxins which counteract the toxins released by pathogens

Question 9

Measles

Answer 9

Potentially fatal virus. Symptoms apear 7-14 days after contracting and include: fever, cough, runny nose, inflamed eyes. Long term symptoms include blindness and brain damage. Spreads through coughing and sneezing and can be treated with a vaccine.

Question 10

Salmonella

Answer 10

A bacterial disease contracted by eating raw meat or food prepared in unhygenic conditions. Causes salmonella food poisoning and is treated mainly with antibiotics.

Question 11

Rose black Spots

Answer 11

A fungal disease affecting rose leaves, giving them black spots which reduce the area of the leaf which can do photosynthesis. Can be fatal. Can be prevented by keeping the rose out if the open and in clean water and is treated witt fungicides or removing leaves.

Question 12

Malaria

Answer 12

Is a protist spread through female anopheles mosquitoes. Can kill if not treated with antimalarial medicines. Prevent with bug spray containing at least 50% DEET and covering entrances with nets covered with bug spray when sleeping.

Question 13

HIV

Answer 13

A virus which attacks the immune system so it can’t deal with other infections. Can cause symptoms including fever, sore throught, rash ect. Infected can be given antiretroviral drugs to increase their life expectancy.