Microbiology

Microbiology Study Guide

112. What is the term used to describe spoilage due to can leakage after processing? a. Putrefactive anaerobic spoilage b. Flat sour spoilage c. Thermophilic anaerobic spoilage d. Spoilage by mesophilic bacteria 113. Why are meningitis and encephalitis difficult to treat? a. Because the infections move along the peripheral nerves b. Because antibiotics cannot penetrate the blood-brain barrier c. Because they are not caused by bacteria d. Because antibiotics damage tissues 114. Which of the following compounds is not produced using microbial fermentation? a. Because it picks up the insulin gene from other cells b. Because it needs to regulate its cell-glucose level c. Because the insulin gene was inserted into it d. Because it has an ancient gene that now has no function 116. If a 35-year-old female complains of a headache, fever, and stiff neck after having experienced convulsions, __________________ is most likely to provide rapid identification of the cause of her symptoms. a. A biopsy of brain tissue b. A panel of serum antibodies c. A gram stain of throat culture d. A gram stain of cerebrospinal fluid 117. Which is the most common route for pathogens to invade the central nervous system? a. Respiratory system b. Gastrointestinal system c. Parenteral route d. Skin Saccharin b. Citric acid c. Aspartame d. Monosodium glutamate 115. Why does Escherichia coli make insulin? a.

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