Disease

Question 1

Tuberculosis

Answer 1

Kills cells and tissues. Lungs are affected. Bacteria (Mycobacterium tuberculosis)

Question 2

Bacterial Meningitis

Answer 2

Infection of meninges, membranes that surround brain and spinal cord. Bacteria

Question 3

Ring rot (in plants)

Answer 3

Ring of decay in vascular tissue of potato tuber or tomato. Bacteria

Question 4

HIV/AIDS

Answer 4

Compromises immune response. Virus (Human immunodeficiency virus)

Question 5

Influenza

Answer 5

Attacks respiratory system. Virus (flu viruses)

Question 6

Tobacco mosaic virus

Answer 6

Mottling and discolouration of leaves. Tobacco mosaic virus.

Question 7

Black Sigatoka

Answer 7

Leaf spots on bananas, reducing yield. Fungus.

Question 8

Blight

Answer 8

Tomatoes and potatoes - affects potato tubers and leaves. Protoctistan

Question 9

Ringworm

Answer 9

Affects cattle. Fungus

Question 10

Athlete’s foot

Answer 10

Fungus

Question 11

Malaria

Answer 11

Parasite in the blood ,protoctistan (Plasmodium falciparum)

Question 12

Direct Transmission Methods (4)

Answer 12

Direct physical contact (wash hands, clean surfaces, sterilise instruments)
Faecal-oral transmission (wash all fresh food, thoroughly cook food, treatment of waste/drinking water)
Droplet Infection (Cover mouth, dispose of tissues correctly)
Spores - can be carried in air/soil or on surfaces (Use mask, wash skin after contact with soil)

Question 13

Social factors affecting transmission

Answer 13

Poor diet, poor health, poor ventilation, overcrowding