Quiz 11

Question 1

Which of the following is NOT one of the three categories of exotoxins?
A) perforating toxins
B) superantigen toxins 
C) AB toxins 
D) cytolytic toxins

Answer 1

A

Question 2

Adherence factors include all of the following EXCEPT:
A) cytotoxin
B) slime layer
C) capsule
D) fimbriae

Answer 2

B) slime layer

Question 3

Which of the following is NOT a constituent of the LPS subunits?
A) membrane-distal O-polysaccharide
B) lipid B
C) membrane-proximal core polysaccharide
D) lipid A

Answer 3

B

Question 4

Which of the following is NOT found in the gastrointestinal tract of a healthy individual?
A) Protists
B) Bacteroids
C) Clostridium
D) Lactobacillus

Answer 4

A

Question 5

A patient is prescribed an antibiotic for ten days and notices her tongue starts to develop a white film by the end of her antibiotic regiment. What organism is causing her tongue to develop a white film?

Answer 5

Candida

Question 6

Which of the following will happen after a person takes an antibiotic orally?
A) the growth of normal flora will be inhibited
B) the growth of pathogens will be inhibited
C) opportunistic microorganisms such as antibiotic-resistant Staphylococcus will become established.
D) all answer choices are correct

Answer 6

D

Question 7

Bacteria make up about __ the weight of fecal matter.

Answer 7

One-third

Question 8

___ is the growth of microorganisms NOT normally present within a host.

Answer 8

Infection

Question 9

Following exposure to a pathogen, events leading to disease- in the correct order- are:

Answer 9

Adherence, invasion, infection, toxicity

Question 10

Pregnant women are tested for a specific of Streptococcus to ensure that the baby doesn’t suffer from any complications after delivery. What Lancefield group and hemolysis activity does this organism possess?

Answer 10

Lancefield group B and beta hemolysis