Pathogens - The Bad Guys

Question 1

_______ are organisms that cause infections and infectious diseases

Answer 1

Pathogens

Question 2

_______ is the ability of an organism to cause diseases

Answer 2

Pathogenicity

Question 3

The 3 types of pathogens that can cause disease in healthy people

Answer 3

True/ Strict/ Obligate

Question 4

_______ pathogens can only cause disease if given the “opportunity”

Answer 4

Opportunistic

Question 5

2 examples of opportunistic pathogens

Answer 5

Staphylococcus epidermidis

Pseudomonas aeruginosa

Question 6

4 Virulence factors

Answer 6

Infective dose
Adhesions
Toxins
Enzymes

Question 7

_______ - The number of organisms required to cause an infection

Answer 7

Infective dose

Question 8

4 reasons Capsules are an important virulence factor

Answer 8

1. Antiphagocytic
2. Adhesion
3. Poor immunogen
4. Mimics human antigens

Question 9

_______ - help the microbe move into other tissues

Answer 9

Exoenzymes

Question 10

Which 3 exoenzymes does Staphylococcus aureus use?

Answer 10

1. Coagulase
2. Kinase
3. Hemolysin

Question 11

3 examples of organisms that use Enterotoxins

Answer 11

1. Salmonelle
2. E. coli
3. Staphylococcus aureus

Question 12

_______ - can survive and live in the White blood cell

Answer 12

Intracellular

Question 13

_______ - host doesn’t recognize it as a foreign invader

Answer 13

Antigenic variation

Question 14

_______ - saves the organism from being lysed

Answer 14

anti-complement enzymes

Question 15

Mycobacterium tuberculosis evades a hosts immune system how?

Answer 15

Intracellular