MCB2010 Lab Final Exam Question and Answers | 100% Correct

MCB2010 Lab Final Exam Question and Answers | 100% Correct Magnification -Answer-The creation of a larger-than-life image Which part of the flame of a Bunsen burner is used for sterilization of inoculating tools? A) The tip of the inner cone B) The tip of the outer cone -Answer-A) The tip of the inner cone What was Dr. Casadaban's assumptions that proved to be fatal? -Answer-1. That the weakened form of the bacterium used in his experiments would never cause disease 2. That occasional safety lapses were permissible because of the weakened condition of the bacterium Bacteria that display significant differences in shape, even within the same species, are said to be -Answer-Pleomorphic According to your lab manual, which of the following factors is NOT involved in maximizing resolution of the microscope? -Answer-Lens quality According to your lab manual, which of the following organisms are associated with bio safety level III? -Answer-HIV and Yersinia pestis Concerning the case of the researcher who died after suffering burns, all of the following are true EXCEPT -Answer-She was an experienced chemist In the case involving bacteria responsible for GI disease, the bacteria were spread to the melons because -Answer-The water bath used to rinse the melons had no antimicrobial in it In the gram staining technique, gram negative organisms are stained -Answer-Pink Personal safety equipment and practices in a BSL-1 or BSL-2 laboratory would include all of the following EXCEPT -Answer-Showering prior to the lab Which of the following methods of infection control were pioneered by Florence nightingale? -Answer-Isolation of sick patients from wounded patients In the case study "Typhoid Fever, Colorado, 2015," the bacterium responsible for typhoid fever is: -Answer-Salmonella After performing the gram stain on bacterial cultures, the class found that _____ is gram + and _______ is gram - -Answer-Staph epi, E. Coli Which of the following was NOT observed by van Leeuwenhoek? -Answer-Viruses In the pure culture/streak plate procedure, which bacterial culture was used in making the streak plate? -Answer-Serratia marcescens In the case study "Identification of Bacteria Responsible for the Outbreak of GI