Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
what is an antimicrobial ?
|
They ara products which are effectively used in treatment of infections due to their selective toxicity.
|
|
|
selective toxicity is...... and it depends on .....
|
is the ability to kill or inhibit an invading MO without having a harmful effect on the host cells ..... and it depends on the existence of biochemical differences between the parasite and host cells.
|
|
|
what are antibiotics?
|
substances produced by various species of MO that suppress the growth of other MO.
the term is often used for synthetic antibacterials . |
|
|
examples of synthetic antibacterials ....
|
Sulphonamides & quinolones.
|
|
|
Bacteriostatic means ...
|
Agents that arrest the growth and replication of bacteria ,thus limiting the spread of infection while body's immune system attacks,immobilizes and eliminates the pathogens.
eg. Sulphonamides |
|
|
Bactericidal means ....
|
Agents that kill bacteria .
eg. Penicillin |
|
|
What are the factors affect in selection of antimicrobial agents?
|
1- identity of MO
2- Susceptibility of MO to antimicrobial 3- previous exposure to antibiotics 4- Age 5- renal and hepatic function 6- site of infection 7- administration of other drugs 8- pregnancy 9- immunity status . |
|
|
Antimetabolites are .....
|
Sulphonamidea and trimethoprim
|
