Micro 260 Exam 2, LCC_ Updated Questions and Answers 100% A+ Graded

Micro 260 Exam 2, LCC_ Updated Questions and Answers 100% A+ Graded Which of the following would be a sign of an infection? A) headache B) fatigue C) rash D) nausea - CORRECT ANSWER-C) Rash Bacillus anthracis has an ID50 of 10-50 endospores when entering through the skin, and ID50 of 10,000 to 20,000 when inhaled, and an ID50 of 250,000-1,000,000 when ingested. Which portal of entry is the most successful (least host resistance) for Bacillus anthracis? A) skin B) respiratory tract C) gastrointestinal tract - CORRECT ANSWER-A) Skin Enterotoxins affect cells in the: A) cardiovascular system B) central nervous system C) gastrointestinal tract D) genitourinary tract E) respiratory tract - CORRECT ANSWER-C) Gastrointestinal tract Which of the following virulence factors enable(s) bacteria to avoid phagocytosis by white blood cells? A) capsule B) coagulase C) antigenic variation D) all of these - CORRECT ANSWER-D) All of these The patient begins to show signs and symptoms during this stage of disease A) illness B) prodromal C) convalescence D) incubation E) decline - CORRECT ANSWER-B) Prodromal List the steps of pathogenesis in the correct order: A) invasion, infection, adhesion, exposure B) exposure, adhesion, invasion, infection C) disease, infection, exposure, invasion D) adhesion, exposure, infection, invasion - CORRECT ANSWER-B) Exposure, adhesion, invasion, infection