Practice questions Flashcards
an exoenzyme that breaks down fibrin clots is known as a
kinase ( allow fluid to get into the host cells)
Exotoxins are
proteins that are released from the cells and negatively affect host cells
septic shock with gram negative bacteria is caused by….
Lipid A
How does coagulase help Staphylococcus aureus to establish an infection?
walls off the source of bacteria with protein so that WBC can’t get at them
What is the function of fimbriae (pilli)?
attachment
what is the major mechanism of pathogenicity for Bacillius anthracis?
production of toxins
-it is a gram positive, endospore0forming bacteria. It can synthesize a protein capsule, causes anthrax
what is the major determinant of pathogenicity for bacterium Neisseria gonorrhoeae?
Pilli
C. Dif ‘s important pathogenicity factor is?
production of exotoxins
staphylococcus aureus
bacterium
plasmodium falciparum
parasite
cryptospordium parvum
parasite
ringworm is caused by a
fungus
what enzyme is used to differentiate streptococcus from staphylococcus in the lab?
catalase
bacteroides fragillis is
a gram negative, non-spore forming bacillus that affects the human colon, usually commensal but can cause infection if displaced in the bloodstream or surrounding tissue following surgery, disease, or trauma.
Blepharitis is
inflammation of the eyelids