S2) Infection Model

Question 1

Identify the components in the model of infection

Answer 1

• Pathogen
• Patient
• Mechanism of infection
• Infection
• Management
• Outcome

Question 2

Describe the layout of the infection model

Answer 2

Question 3

Classify pathogens in terms of the infection model

Answer 3

• Virus
• Prokaryotes: bacteria
• Eukaryotes:

I. Fungus – yeast, mould

II. Parasites – protozoa, helminth

Question 4

Describe the ‘patient’ component in the infection model

Answer 4

• Person – age, gender, physiological and pathological states, social factors
• Time – calendar time/relative time
• Place – current/recent

Question 5

Identify the 7 different mechanisms of infections

Answer 5

• Contiguous spread
• Haematogenous
• Inoculation
• Ingestion
• Inhalation
• Vector
• Vertical transmission

Question 6

Identify the three parts of the management component in the infection model

Answer 6

• Diagnosis
• Treatment
• Infection prevention

Question 7

Identify the three processes outlined in the diagnosis of an infection

Answer 7

• History
• Examination
• Investigations

Question 8

Identify the two types of treatment for an infection

Answer 8

• Specific
• Supportive

Question 9

Outline the two types of specific treatments for infections

Answer 9

• Antimicrobials
• Surgery – drainage, debridement, dead space removal

Question 10

Outline two types of supportive treatment for infections

Answer 10

• Symptom relief
• Physiological restoration

Question 11

What are the two locations for infection prevention?

Answer 11

• Hospital
• Community

Question 12

Identify 4 different outcomes for infections

Answer 12

• Cure
• Chronic infection
• Disability
• Death

Question 13

Describe the infection component of the infection model

Answer 13