standard 2

1

blue What conditions must be met in order for a conditioning film to develop? none true Surface explanation 1 true Water explanation 2 true Microorganisms explanation 3 true Dissolved organic materials explanation 4 In which of these growth curve stages (shown below) are the planktonic cells most similar to cells in a biofilm? growth_curve.jpg true Lag phase Explanation 1 true Log or exponential phase explanation 2 true Stationary phase explanation 3 true Death Phase explanation 4 Which of the following strategies would you consider to have the best chance of preventing or eliminating biofilm infections in patients who have received an artificial implant such as this prosthetic hip (below). hip_replacement.jpg true Heavy metal disinfectant treatment of the implant prior to surgery. Explanation 1 true New antibiotics. explanation 2 true Quorum sensing inhibitors that prevent attachment. explanation 3 true Compounds that encourage premature detachment of the biofilm. explanation 4