Mid Module MCQ Flashcards
1
Q
Bacterial capsules A) can be negatively stained B) are gram +ve C) contain glucuronic acid D) help prevent phagocytosis
A
Correct
A) can be negatively stained
C) contain glucuronic acid
D) help prevent phagocytosis
2
Q
Antistreptolysin ‘O’ is raised in infections caused by A) Enterococcus faecalis B)Streptococcus pneumoniae C)Streptococcus pyogenes D)Streptococcus bovis
A
Correct
C)Streptococcus pyogenes
3
Q
In Commensalism A) I of a pair of organisms benefits and the other is unaffected B) both organisms benefit C)neither organisms benefit D)surrounding organisms benefit
A
Correct
A) I of a pair of organisms benefits and the other is unaffected
4
Q
What is tetanus caused by?
A
Caused by a bacterium called Clostridium tetani. The bacterium produces sub-terminal spores and is a neuromuscular disease.
5
Q
What can a pathogen do?
A
A pathogen can cause disease and infection by invading target cells.
6
Q
How many phases does the bacterial growth curve consist of?
A
4 phases
7
Q
Name the phases of the bacterial growth curve
A
1) Lag phase
2) Exponential phase
3) Stationary phase
4) Death phase
8
Q
What are exotoxins produced by?
A
Gram positive and gram negative pathogens
