Unit 4

Question 1

organisms recognized to cause disease in healthy immunocompetent individuals

Answer 1

true pathogens

Question 2

example of true pathogens

Answer 2

Yersinia pestis & Bacillus anthracis

Question 3

microorganisms that usually do not produce disease

Answer 3

opportunistic pathogens

Question 4

examples of opportunistic pathogens

Answer 4

nesseria meningitidis & e coli

Question 5

easiest and frequent POE and diseases it may cause

Answer 5

respiratory tract (pneumonia, tb, influenza)

Question 6

POE through food and disease

Answer 6

gastrointestinal tract (giardiasis, hepa a, cholera)

Question 7

POE through STIs

Answer 7

genitourinary tract (chlamydia, herpes, gonorrhea)

Question 8

causes adherence to epithelial cells

Answer 8

lipoteichoic acid and protein f

Question 9

heat-resistand and acid-resistant protein

Answer 9

m protein

Question 10

outer membrance protein used to attach to cells

Answer 10

OPA

Question 11

resists the host’s defenses by impairing phagocytosis

Answer 11

capsule

Question 12

bacterial enzymes that coagulates blood

Answer 12

coagulase

Question 13

breaks down fibrin and thus digests clots

Answer 13

kinase

Question 14

hydrolyzes hyaluronic acid

Answer 14

hyaluronidase

Question 15

facilitates the spread of gas gangrene

Answer 15

collagenase

Question 16

destroys antibodies

Answer 16

IgA protease