Topic 5 - Health, Disease & Medicine - disease (5.2-5.8)

Question 1

Lyric of a virus explained

Answer 1

Virus attaches to the host cell
Virus enters the cell and injects in genetic material into the cell
Virus genetic material copies itself and causes new virus proteins to be made, using the organelles in the host cell.
The DNA or RNA and virus proteins are packaged together to make new viruses. These are released from the cell, which usually destroys the host cell.

Question 2

Define a pathogen

Answer 2

A disease causing organism.

Question 3

What are 4 ways STDs can spread

Answer 3

• unprotected sex with an infected partner.
• sharing needles with an infected person
• transmission from infected mother to foetus
• infection from blood products.

Question 4

How can STD’s be reduced or prevented (5 ways)

Answer 4

• using condoms or barrier protection methods during intercourse
• screening people, including pregnant women,
• screening blood transfusions
• sterile needles
• treating infected people using antibiotics (chlamydia)

Question 5

What type of infection is cholera and what are its symptoms

Answer 5

Bacteria

Symptoms - Watery, pale coloured diarrhoea, often in large amounts

Question 6

What type of infection is malaria and what are the main symptoms

Answer 6

Protist

Symptoms - fever, weakness, chills and sweating

Question 7

What type of infection if HIV/AIDS, what are the main symptoms

What about chlamydia?

Answer 7

Virus
Symptoms - Mild flu like symptoms, repeated infections.

Bacteria
Symptoms: Pain when urinating, stomach/pelvis pains, swollen/tender testicles

Question 8

What type of infection is tuberculosis and what are the symptoms

Answer 8

Bacteria

Symptoms - Lung damage seen in blood speckled mucus. Weight loss. Fever and chills, night sweats

Question 9

What type of infection is ebola and what are the symptoms

Answer 9

Virus

Symptoms - internal bleeding and fever, severe headache, muscle pain, vomiting, watery faeces

Question 10

What type of infection is stomach ulcers and what symptoms does it bring

Answer 10

Bacteria

Symptoms - inflammation in stomach causing pain, bleeding in stomach

Question 11

what type of infection is “chalara ash dieback” and what are the symptoms

Answer 11

Fungus

Symptoms - Leaf loss, bark damage (lesions) and dieback of top of the tree.

Question 12

Definition of health

Answer 12

a state of complete physical, mental and social well being, and not merely the absence of disease