Infection Model

Question 1

Illustrate the Infection Model

Answer 1

Patient+ Pathogen + Mechanism of Infection-> Infection

Infection-> Management-> Outcome

Question 2

Classify pathogens in terms of infection model

Answer 2

Virus
Prokaryotes- Bacteria
Eukaryotes- Fungi + Parasites

Fungi- Yeast + Mould
Parasites- Protozoa + Helminths

Question 3

Describe the patient component in the infection model

Answer 3

Person: Age, Gender, Physiological state, Pathological state, Social factors

Time: Calendar time, Relative time

Place: Current, Recent

Question 4

Name the 7 mechanism of infection

Answer 4

Contact
Inhalation
Ingestion
Vector
Vertical transmission 
Inoculation 
Haematogenous

Question 5

Describe the infection component of the infection model

Answer 5

Infection-> Attachment

Attachment-> Toxin production-> Host damage
Attachment-> Interaction with host defences

Interaction “”-> Host damage
Interaction “” -> Inflammation-> Host damage

Question 6

Name the 3 components of the Management part of the Infection Model

Answer 6

Diagnosis
Treatment
Infection Prevention

Question 7

Name the 3 components of the Diagnosis part of the Infection Model

Answer 7

History
Examination
Investigations

Question 8

Name the 2 types of treatment

Name the 2 types for each

Answer 8

Specific- Antimicrobials and Surgery

Supportive- Symptom relief and Physiological restoration

Question 9

What are the 3 types of surgery in specific treatment

Answer 9

Drainage
Removal of dead space
Removal of dead/ dying tissue (Debridement)

Question 10

What are 2 places Infection Prevention can occur

Answer 10

Hospital

Community

Question 11

What are 4 possible outcomes for an infection

Answer 11

Cure
Chronic infection
Disability
Death