Unit 9 Host‐bacteria relationships Flashcards
The ability to produce disease is:
A- Pathogenicity
B- Virulence
Pathogenicity: The ability to produce disease.
The degree of pathogenicity is:
A- Pathogenicity
B- Virulence
Virulence is the degree of pathogenicity.
Multiplication of the pathogen in the host is:
A- Infection
B- Disease
Infection is Multiplication of the pathogen in the host.
Alterations in the physiology of the host due to the infection is:
A- Infection
B- Disease
Disease: Alterations in the physiology of the host due to the infection.
Which enzymes can damage connective tissue?
A- Collagenase
B- Hyalouronidase
C- Proteases
Collagenase and hyalouronidase: Damage
connective tissue.
What is the purpose of Proteases?
It’s an enzyme who destroy proteins such as
immunoglobulins, leukocidin, lecithinase
and phospholipase C.
Exotoxin is encoded by? A- Organelles B- Plasmids C- Mitochondrias D- Phages
Encoded by plasmids or phages.
Where is secreted the exotoxins? A-Cytoplasm B- Cytoskeleton C- RER D- Medium
Secreted into the medium in soluble form.
Exotoxins is:
Gram +
Gram -
Both Gram + and Gram -
Endotoxins is:
Gram +
Gram -
Gram -
Endotoxins is encoded by? A- Organelles B- Plasmids C- Chromosomes D- Phages
Encoded on chromosome
What is a toxic shock?
Multiorganic failure.
When the host can not control the response of the systemic
Which of the Gram + or Gram - has a long O side chain (LPS)?
Gram -
Which of the Gram + or Gram - has LPS linked to sialic acid?
Gram -
Streptococcus viridans can be found in which area of the body?
Mouth, pharynx, respiratory system
