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Kaplan Qbank USMLE



Author5 Posts
  #1

1. Meningococal septicemia shows first sign of endotoxin mediated pathogenesis at

2. E. coli septicemia shows first sign of endotoxin mediated pathogenesis at

3. Antibiotic kills bacteria at

4. Spore forming at


A. Lag phase
B. Log phase
C. Stationary phase
D. Decline phase

  #2

Spore forming at------stationary phase(nutreints are depleted at this stage).
Antibiotic kill bacteria at-------log phase(b/c in this phase there is rapid growth of organisms).
Other two options????

___________________
Love humans,save humans & live like humans.

  #3

E coli endotoxin :arrow: Decline phase


MC endotoxin :arrow: Log phase

  #4

thnx phuluong.
It means that my answer is right(Antibiotic & spore).

___________________
Love humans,save humans & live like humans.

  #5

Yeah, you are right

A tip off for the two others is:

Endotoxin is lipopolysaccharide, which is released when to bacteria die :arrow: Most of the endotoxin mediated sepsis happen at the decline phase


N. meningitidis is an exception, it over produces lipopolysaccharide in all the life cycle :arrow: More important and severe at the log phase







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