What enzyme(s) does S. aureus produce? Catalase Coagulase Collagenase Oxidase All of the above A and B only A, B, and C only What is the purpose of testing for the presence of coagulase? Distinguish S. aureus from other species of Staphylococcus. Distinguish S. aureus from proprionibacterium. Distinguish Gram positive from Gram negative organisms. All of the above. What is an indicator of the presence of coagulase? Clumping No clumping CHAPTER 46 Alpha-hemolysis is ____________________________________________. No hemolysis, and no change in the blood agar around the colony Green, cloudy zone around the colony. Partial destruction of RBC's Complete hemolysis, giving a clear zone with a clean edge around the colony All of the above Beta-hemolysis is complete hemolysis, giving a clear zone with a clean edge around the colony. False True Gamma-hemolysis is no hemolysis and no change in the blood agar around the colony. True False The upper respiratory tract consists of the larynx and trachea. True False The lower respiratory tract consists of the nose and throat. True Over 90% of streptococcal infections are caused by _________________. Streptococcus Neisseria Beta-hemolytic group A streptococci Haemophilus What does the lower respiratory tract consist of? A. bronchial tubes and alveoli B. trachea, bronchial tubes, and alveoli C. larynx, trachea, bronchial tubes, and alveoli B. throat, larynx, trachea, bronchial tubes, and alveoli C. nose, throat, larynx, trachea, bronchial tubes, and alveoli Is the respiratory tract normally sterile? A. Yes
What enzyme(s) does S. aureus produce? Catalase Coagulase Collagenase Oxidase All of the above A and B only A, B, and C only What is the purpose of testing for the presence of coagulase? Distinguish S. aureus from other species of Staphylococcus. Distinguish S. aureus from proprionibacterium. Distinguish Gram positive from Gram negative organisms. All of the above. What is an indicator of the presence of coagulase? Clumping No clumping CHAPTER 46 Alpha-hemolysis is ____________________________________________. No hemolysis, and no change in the blood agar around the colony Green, cloudy zone around the colony. Partial destruction of RBC's Complete hemolysis, giving a clear zone with a clean edge around the colony All of the above Beta-hemolysis is complete hemolysis, giving a clear zone with a clean edge around the colony. True False Gamma-hemolysis is no hemolysis and no change in the blood agar around the colony. True False The upper respiratory tract consists of the larynx and trachea. True False The lower respiratory tract consists of the nose and throat. True Over 90% of streptococcal infections are caused by _________________. Streptococcus Neisseria Beta-hemolytic group A streptococci Haemophilus What does the lower respiratory tract consist of? A. bronchial tubes and alveoli B. trachea, bronchial tubes, and alveoli C. larynx, trachea, bronchial tubes, and alveoli B. throat, larynx, trachea, bronchial tubes, and alveoli C. nose, throat, larynx, trachea, bronchial tubes, and alveoli Is the respiratory tract normally sterile? A. Yes
TQ%20bank%20Lab%20Unit%202.docx