2. Infection

Question 1

Pathogenic

Answer 1

bacterium, virus or another microorganism

Question 2

Pathogen

Answer 2

an organism that causes disease

Question 3

Zoonosis

Answer 3

an infectious disease that has jumped from a non-human animal to humans

Question 4

Subclinical disease

Answer 4

has no recognizable clinical finding

Question 5

Antigen

Answer 5

Substance that causes your immune system to produce antibodies against it and fight the infection

Question 6

Types of microorganism
Bacteria

Answer 6

No nucleus
single-celled organism
grow rapidly
produce toxins that cause illness eg. strep throat

Question 7

Chain of infection

Answer 7

Infectious agent
reservoir
vomit/ cough - expel
transmission
portal
susceptible host

Question 8

Pyrexia Infection

Answer 8

Pyrexia Infection
* Getting a fever

Inflammatory response

Hypothalamus (midbrain) is set to a higher temp to fight infection

Cytokines (a chemical produced by immune cells and acts to stimulate other immune cells) are released from immune cells

Prostaglandins increase heat production and decreases heat loss

Fever is used to stop pathogens from multiplying, stimulate immune response and tissue repair

Temp over 41.5 is considered an emergency

Question 9

• Virus

Answer 9

• Non living
• No nucleus
• HIV

Question 10

• Fungi
  *

Answer 10

Living
* Nucleus
* Athletes foot

Question 11

• Protozoa

Answer 11

Single celled organisms
* Malaria

Question 12

• Helminths (worms)
  *

Answer 12

Hookworm