Questions - Misc 04 Flashcards
What is the process by which phages can be transferred?
Transduction
What are the two types of transduction?
Generalized and specialized
What are the only type of bacteria that can undergo transformation?
Competent
Which are the types of carriers?
Asymptomatic carriers incubating carriers convalescent carriers chronic carriers (Typhoid Mary) passive carriers
Which types of indirect vectors are infected and which are not infected?
Biological vectors are infected
mechanical vectors are not infected
What microorganism is used for acid fast staining?
Mycobacteria which causes tuberculosis
What types of antibiotics can we use for gram-positive bacteria?
Penicillin and its derivatives
During Gram staining, which are the organisms that stain with the second die?
Gram-negative
Which disease is characterized by thin-walled blisters the break open and become yellowish crusty scabs that weep plasma and pus?
Impetigo/Pyoderma
Which bacteria is salt tolerant?
Staphylococcus aureus
Which type of hemolysis is complete hemolysis?
Beta
Which type of hemolysis is partial hemolysis?
Alpha
What does catalase do?
Dissolves hydrogen peroxide into water and oxygen
Which of the following is catalase positive in which one is catalase negative (staph aureus vs streptococci)?
Staph aureus - catalase positive
streptococci - catalase negative
Which bacteria is responsible for spontaneous gas gangrene?
Clostridium septicum