Microbiology Question: Download Microbiology PDF

An important characteristic of mycobacteria is that they are?

Answer:

* A. Gram negative
* B. Rapid growing (doubling time 15 minutes)
* C. Acid fast
* D. Alpha hemolytic

Correct Answer: C

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A 30-year-old patient comes to clinic complaining of a three-week history of cough. He started with a runny nose, fever and sneezing for a few days followed by a dramatic cough that keeps him up at night. He complains of episodes of coughing where he will have fits of coughing with 10-15 coughs during one exhalation to the point that he is afraid that he will never be able to take in a breath. These coughing episodes are so severe that his ribs are extremely sore. An organism you should consider would be?

You would expect the time course of a typical patient with reactivation tuberculosis before they reach a point requiring hospitalization to take?