2. 1- what is this stain called? 2- name three species which can be stained by this stain. 3- which one of them is illustrated here? Spore stain 1- cl.tetani 2- cl.perfringens 3- b.anthracis cl.Perfringens (sub terminal spores)

3. 1-what is this? 2-what is it used for? Heat sensitive tape Used for determining the efficacy of the autoclave’s heating

4. 1-what is this phenomenon called? 2-what kind of bacteria is it associated with? satellitismH.Influenzae

5. 1-This bacteria has been isolated from a young women which had a urinary tract infection, name the bacteria? 2-Name the treatment and another disease that it can cause? E.coliAmpicilin Travelers diarrhea

6. 1-This bacteria has been isolated from a young man with bloody diarrhea, history indicates that he ate chicken shawerma yesterday, What kind of bacteria do you suspect? 2-what is the treatment? Compylobacter jejuni Erythromycin

7. 1-This bacteria has been isolated from a man which has an amputated limp, it had been causing gangrene, What kind of bacteria do you suspect? 2- What is the name of the feature seen on the blood agar? Cl.perfringens Double zone of beta haemolytic activity

8. 1- what is this medium called? 2- What kind of bacteria can be identified by growing in it? Cooke meat medium Cl.Tetani

9. 1- this is a gram stain of a bacteria that was isolated from a patient with a sore throat, it also showed beta heamolytic activity on blood agar, what do you think is the bacteria ? 2- will it grow on chocolate agar? Streptococcus pyogens. Yes, with no color change