|
Disinfectants that damage nucleic acids include(Points : 4)
|
70% ethanol.
silver nitrate.
benzalkonium chloride.
glutaraldehyde.
hydrogen peroxide.
| Which of the following antimicrobial drugs can cause damage to bones? (Points : 4) |
Beta-lactams
Aminoglycosides
Quinolones
Tetracyclines
Sulfonamides
|
Capsules often are ignored by phagocytes and the normal immune system defense mechanisms due to the _____.(Points : 4)
|
proteins in the nucleus
virulence
toxins
tricking of phagocytes into thinking the capsule is a normal part of the cell
tricking the virulent strains into thinking the capsule is a normal part of the cell
| Toxoplasma infections are usually transmitted by _____. |
waterborne transmission
foodborne transmission
sea nymphs
Gram-negative bacteria
Gram-positive bacteria
|
A pathogen is any parasite
|
that causes a disease.
that kills a person.
that causes a mutation in the DNA of the person.
that causes a microorganism to stimulate atypical cellular growth.
None of the above
| The vector responsible for transmission of bubonic plague is the _____.) |
Xenopsylla mosquito
Plasmodium protozoa
Xenopsylla flea
Yersinia pestis bacterium
Ixodes mosquito