lecture 1
How to sterilize IV fluid?
Filtration
What is the mechanism of action of beta-lactams drug like Penicillin?
Cell wall inhibitors
What is the reservoir for the virus that causes influenza?
Humans
Cook food thoroughly prevents which link of infection chain?
Infectious agent
True or False
Hospital isolation unit spray alcohol and chlorine to decontaminate and keep the room sterile.
False
Vancomycin is very toxic drug, usually given under restriction to treat What bacteria?
Gram +ve
Methicillin Resistant S. aureus (MRSA)
True or False: Once the host is infected, he/she may become a reservoir
True
True or False: We should avoid germs at all costs because our bodies can’t handle germs on their own.
False!
Our body and immune system can naturally handle having a natural number of germs, but when there are too many then a person can become ill
kills by producing oxygen radicals and used as a sterilant at 25% concentration
Hydrogen Peroxide
which drug target Ribosomes?
Polyene, Tetracycline, Sulfonamides, or Amoxicillin
Tetracycline
What is the best and most common way to break the chain of infection?
Handwashing!
Name 3 types of people who are at high risk for infectious diseases
what are very young, elderly, and immunocompromised
autoclave is a physical method used for____ of what items?
sterilization of glassware, metal tools, medium
Compared to 1th generation of Penicillin derivatives, latest generations have greater coverage for which category of bacteria?
Gram negative
Isolation would be an opportunity to stop the spread of infection during which link in the chain?
Transmission
low therapeutic index (TI) value means the drug is
more toxic
what chemical is sterilant from the list:
Alcohol, heavy metal, Chlorine, Chlorohexidine, Hydrogen Peroxide 3%
Chlorine
Atypical bacteria is a bacteria that doesn't have a typical cell wall, therefore the drug that target it work by inhibiting _____
Nucleic acid synthesis
or
Folic acid chemical pathway
or
protein synthesis
How to Break the Link – Portal of Exit?
Mask, covering sneeze or cough. Practicing good hand hygiene, housekeeping
Disinfecting could break which parts of the chain of infection?
Infectious agent, reservoir, mode of transmission