Answer:
Explanation: 100% (2 ratings) The LD50 stands for Lethal Dose 50%. The LD50 value represents the amount of a toxin or substance required to kill 50% of the tested population. It is also known as the median lethal dose and generally expressed as the mass Which of the following is not a portal of entry for pathogens? a. mucous membranes of the respiratory tract b. mucous membranes of the gastrointestinal tract c. skin d. blood e. parenteral route 5 All of the following can occur during bacterial infection. Which would Staphylococcal enterotoxin: LD50 = 1.35 mg/kg 3) Shiga toxin: LD50 = 250 ng/kg Which is the least potent toxin?