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Pharmacology › View

The symptoms of a seizure may differ from person to person, but seizures are caused by the same thing:

A. A sudden change in how brain cells send electrical signals to one another

B. A sudden change in blood flow in the brain

C. A sudden change in how the spinal cord and brain talk to each other

D. A sudden change in oxygen flow in the body

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Bacteriology › View

Which of the following is absent in gram negative bacteria?

A. Lipid A

B. Lipoteichoic acid

C. Lipopolysaccharides

D. Porins

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