Medical Microbiology Exam 3 with Questions and Answers

Medical Microbiology Exam 3 with Questions and Answers Opportunists are microorganisms that: A) always cause disease B) can cause disease when favorable host conditions arise C) benefit from the host but do not harm the host D) never cause disease E) use available scholarships to go back to school ANSWER B) can cause disease when favorable host conditions arise A species of bacterium lives on the surface of the human skin. It doesn't harm the human host as it uses the skin as a habitat. This symbolic relationship is: A) commensalism B) mutualism C) parasitism D) predation E) weird ANSWER A) commensalism The mucociliary cells in the bronchia and trachea are considered a ___ defense: A) biochemical B) mechanical C) transport D) vascular E) snotty ANSWER B) mechanical Pathogenic bacteria stick to the appropriate host tissue by producing: