52. Several hours after a picnic to celebrate the end of microbiology class, some            of the students began to experience nausea, vomiting and abdominal pain which            lasted for about 24 hours.  A culture from the picnic food grows gram + aerobic            endospore forming rods.  The most likely etiology of the food poisoning is:  

49.       Name one antimicrobial agent that can be used to treat this infection (1pt).

        58.  A patient presents with symptoms consistent with gummas on many organs, skin                    bone, neurosyphylis and cardiovascular aortic aneurism.  These symptoms and                    signs are consistent with:                  

I62. In  addition to Ceftriaxone, this patient should be treated with————           

70. This disease is transmitted sexually and by parenteral route.  In addition, this disease is caused by a DNA virus.

        53. Clostridium difficille-associated diarrhea (CDAD) is usually preceded by:                 

       60.  These are gram – rods that ferment lactose with gas after 24 hrs incubation @35oC and        are used as indicators of water pollution:  

An investment has an expected return of 11 percent per year with a standard deviation of 20 percent. Assuming that the returns on this investment are approximately normally distributed, as illustrated in the figure: a) How frequently do you expect to earn between –29% and 51%? Explain. b) How often do you expect to earn less than –29%? Explain. jor12819_0110.jpg Note: You may choose one of the following options to submit your answers: Type your complete answer directly in the answer field on Blackboard, OR Type only the final answer in the Blackboard field, write “see answer on scratch paper,” and show your handwritten work to the camera before proceeding to the next question.

You purchase 220 shares of BlueSky Tech stock on margin at a price of $48 per share. Your broker requires you to deposit $7,000 of your own funds. Later, you sell the stock at a price of $60 per share. What is your percentage rate of return?Note: You may choose one of the following options to submit your answers:Type your complete answer directly in the answer field on Blackboard, ORType only the final answer in the Blackboard field, write “see answer on scratch paper,” and show your handwritten work to the camera before proceeding to the next question.

You just sold short 600 shares of SkyCircuit Ltd., a tech startup, at a price of $88 per share. One year later, you cover your short position when the price drops to $77 per share. During the year, the company paid $0.60 per share in dividends. Assume an initial margin requirement of 55%. What is your percentage rate of return on this short-sale investment?Note: You may choose one of the following options to submit your answers:Type your complete answer directly in the answer field on Blackboard, ORType only the final answer in the Blackboard field, write “see answer on scratch paper,” and show your handwritten work to the camera before proceeding to the next question.