Pathogens - Lecture 1

Question 1

Define pathogenesis

Answer 1

The ability of an organism to cause disease

Question 2

Define pathogen

Answer 2

Any organism or agent that produces to produces a disease

Question 3

Define virulence

Answer 3

Intensity of disease/ degree of harm caused

Question 4

Define acute infection

Answer 4

Sudden/ rapid, usually short-lived
Can be mild or severe

Question 5

Define chronic infection

Answer 5

Develop slowly, long lasting and/or recurrent

Question 6

Define healthcare-associated infection (HCAI)

Answer 6

Results from a direct treatment in a healthcare setting

Question 7

Define opportunistic

Answer 7

Caused by organisms that DON’T normally infect healthy hosts

Question 8

Define primary infection

Answer 8

Initial infection within a patient

Question 9

Define secondary infection

Answer 9

Infections that follow a primary infection

Question 10

Define septicaemia

Answer 10

Life-threatening condition arising from pathogenic organisms in the blood

Question 11

Define sepsis

Answer 11

Host response to infection

Question 12

Define bacteremia

Answer 12

Bacteria present in the blood

Question 13

Define latent infection

Answer 13

Appears a long time after the initial infection

Question 14

What does Group A Streptococcus (GAS) cause?

Answer 14

Throat and skin infections

Question 15

What does Group B Streptococcus (GBS)?

Answer 15

Gut/ urinary tract/ vagina
UTI, skin, bloodstream, pneumonia, soft-tissue bone and joint infections

Question 16

Is streptococcus sp. a gram-positive or gram-negative?

Answer 16

Gram-positive cocci