Chapter 5.5 Bacterial diseases

Question 1

How is salmonella spread?

Answer 1

Salmonella is spread through undercooked food and poor hygiene.

Question 2

What are the symptoms of salmonella?

Answer 2

Symptoms include fever, abdominal cramps, diarrhoea, and vomiting caused by toxins produced by the bacteria. In the UK, poultry are vaccinated against salmonella to control against the spread of disease.

Question 3

What is gonorrhoea?

Answer 3

Gonorrhoea is sexually transmitted disease.

Question 4

What are the symptoms of gonorrhoea?

Answer 4

The symptoms include discharge from penis and vagina and the pain on urination.

Question 5

What is the treatment for gonorrhoea?

Answer 5

Treatment involves using antibiotics, although many strains are now resistant. Using condoms and limiting sexual partners prevents spread.

Question 6

How do antibiotics kill the bacteria?

Answer 6

Antibiotics work by affecting things that bacterial cells have but human cells don’t. For example, human cells do not have cell walls, while many types of bacteria do. The antibiotic penicillin works by keeping a bacterium from building a cell wall. … Some antibiotics dissolve the membrane of just bacterial cells.