A reticulate body is the metabolically active form of:

Case Study 4:  A male textile worker in a fur store is admitted to the emergency room of a New York City hospital suffering from breathing difficulties and coughing spasmodically.  A chest x-ray reveals pleural effusions and widening of the mediastinum. The physician notices the presence of vesicular lesions and black, necrotic skin tissue on the man’s hands. A stat gram stain of vesicle fluid indicated the presence of large, gram-positive bacilli. Case Study 4.2:  What could this patient have done to prevent contracting this illness?

The predominant normal flora of the intestinal tract of humans are:

If you had two positive PPD tests and your chest x-ray is negative, you are considered __________ and you must be treated for ____________.

Answer the next three questions (A, B, C) concerning Enterobacteriaceae: Question B:   List one organism in the Enterobacteriaceae family that can only be classified as a opportunistic pathogen. 

Case Study 3:   A 21-year-old college student attending school in New York was in good health until she developed a fever, nausea, headache, and muscle pain. A few days later, she developed a rash on her forearms—small, flat, pink, non-itchy spots. Three weeks prior, she had taken a trip to North Carolina and hiked through the woods for a couple of days. She encountered no other people or animals during her trek. About a week later, she started exhibiting the symptoms that sent her to the doctor’s office. Case Study 3.1:  What was the most likely etiologic agent of infection in this patient?

Which of the following is NOT a genus of the family Enterobacteriaceae?

Match the anaerobic bacterium with the BEST description of its association.

Which of the following characteristics is inconsistent with Vibrio cholera infection:

Branching gram positive bacilli exhibiting no spores are observed on an original gram stain of a jaw abscess. A likely identification is: