Except in severe cases, diarrhea caused by Salmonella typhi is treated with rehydration therapy, but not antibiotic therapy.  Why is this?

Case Study 3: A 3-year old girl presented at the emergency room with bloody diarrhea, fever and vomiting. The child’s mother reported that the day-care center called yesterday morning because she started having a watery diffuse diarrhea.  That night she began to complain of severe cramps and her diarrhea became bloody and pus-filled.  The family has no recent travel history and while they are vegetarians, they only consume pasteurized milk, cheese, and egg products.  The gram stain showed many white blood cells and many gram-negative bacilli.  The culture resulted in many translucent-clear colonies on the MacConkey’s agar that were oxidase negative and fermented glucose, but not lactose.   She was admitted to the hospital to treat her dehydration and for observation.  Case Study 3 Question 1: What was the most likely etiologic agent of infection in this patient? 

Gonorrhea is a disease that can be given a presumptive diagnosis using only a Gram stain under certain parameters.  What parameters must exist in order to provide this diagnosis? (Choose all that are correct)

Which of the following organism can be found as part of the normal flora in some patients and therefore is considered an opportunistic pathogen?

Because it can harbor the pathogen and result in a carrier state, surgical removal of the gall bladder is sometimes recommended in which of the following diseases?

Two blocks are connected by a massless rope over a frictionless, massless pulley. Block m1 hangs freely, while block m2 rests on a horizontal, frictionless surface. m1=[m1] kg, and m2=[m2] kg. A horizontal force F=[F] N is applied to m2. What is the magnitude of the tension in the rope? Express your answer in newtons (N).

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What does the following code generates, suppose n = 5? n = 5 exp = 10*n + 10 print(exp)