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Abt
Chapter 20
28
Microbiology
Not Applicable
08/12/2013

Additional Microbiology Flashcards

 


 

Cards

Term
Chemotherapy
Definition
The use of drugs to treat a disease
Term
Antimicrobial drug
Definition
InterferesInterferes with the growth of microbes with in a host
Term
Antibiotics
Definition
A substance produced by a microbe that in small amounts inhibits another Microbe
Term
Selective toxicity
Definition
Killing harmful microbes without harming the host
Term
Mycobacteria is treated with
Definition
Streptomycin
Term
What is a very broad spectrum antibiotic
Definition
Tetracycline
Term
Azole
Definition
Used to treat fungi
Term
Mefloquize
Definition
Most often used to treat malaria
Term
Niciosamide
Definition
Common drug used to treat helminths
Term
Broad spectrum antibiotics
Definition
A group of antibiotics that cam kill a broad range of bacterial types
Term
Narrow spectrum
Definition
Antibiotics that only kill a selective species
Term
Superinfection
Definition
An overgrowth of noreal pathogen after a course of antibiotic therapy. Growth of a target pathogen that has developed resistance to said antibiotic.
Term
Example of a superinfection
Definition
clotridum difficle
Term
Bactericidal
Definition
Kills a microbes directly by inhibition
Term
Bacteriostatic
Definition
Prevents microbes from growing
Term
Inhibition of cell wall synthesis
Definition
Blocking the replication of needed cell wall subunits for the microbes to divide
Term
Inhibition of protein synthesis
Definition
Inhibits translation of mRNA into functional proteins
Term
Injuries the plasma membrane
Definition
These drugs include polymyxin B
Term
Inhibition of the synthesis of essential metabolites
Definition
Inhibits the production of needed metabolites like those found in combination drugs such as bacterium
Term
Why is PCN useful in treating gram positive bacteria
Definition
Because it inhibits techoic acid
Term
Semisynthetic PCN
Definition
PCN derivative drugs were the nucleus is naturally aquired from the mold but then in a lab the side chains are added syntheticly
Term
Example of a semisynthetic PCN
Definition

MRSA

methicillin resistant staphylococcus aureus

Term
What is MRSA
Definition
An extremely pathogenic strain of bacteria to humans that is aquired where large numbers of people congregate and it's moist
Term
Extended spectrum PCN
Definition
A small group of molecules that are derivatives oF PCN but also are effective against some gram negative species
Term
What enzyme is crucial in microbes being able to neutralize the effects of PCN
Definition
Penicillase
Term
What drugs inhibit cell wall synthesis
Definition
PCN and Cephalosporins
Term

Narrow spectrum

Acts against gram postive bacteria

Definition
First generation cephalosporins
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