Module 3

Question 1

4 groups of microorganisms

Answer 1

1. Bacteria
   - one felled organism
   - bacteria resides in our body
   - treated with antibiotics
   - an example is strep throat
2. Virus
   - smaller than bacteria and more simple
   - needs a host to live
   - treated with antiviral drugs
   - examples are hepatitis, AIDS, mumps, measles, cold, flu
3. Fungi
   - yeast and moulds
   - require dark moist environment
   - treated with anti fungal
4. Parasites
   - classified at Protozoa
   - malaria, lice and scabies
   - treated with anti protozoan drugs

Question 2

How are microorganisms transmitted from one place to another?

Answer 2

1. Contact
   - direct: person
   - indirect: doorknob
   - droplets: can be indirect(sneezing) or direct(shaking hands)
2. Vehicle
   - via food or drink
3. Vector
   - insects/animals

Question 3

What are the 5 routes of transmission

Answer 3

Contact
Droplet
Air borne 
Vehicle
Vector borne

Question 4

How a cold spreads

Answer 4

Microorganism source(you!)
Exit from source (sneeze)
Transmission (direct/indirect)
Entry into body (inhale droplet)
Susceptible host

Question 5

First line of defence

Answer 5

Protects against all microorganism

• skin/mucous membranes
• Celia in nostril and upper resp
• acidic conditions in GI tract

Question 6

Second line of defence

Answer 6

Inflammatory response

Fever

Question 7

Third line of response

Answer 7

Antigens (cause disease)

Antibodies (cure disease)

Question 8

Signs and symptoms of an infection

Answer 8

Fever 38
Lymph node swelling
Inflammation

Question 9

Nosocomial infection

Answer 9

Is one which patient acquired during their stay at a hospital

Hospital microorganisms
Transmission
Compromised patients