What is the causative agent for tuberculosis

Reference no: EM133413826

Answer the following questions:

1. Based on the symptoms presented, what are three possible respiratory infectious diseases Callie could be suffering from? Explain why.

2. Based on Callie's symptoms and your answers so far, it seems Callie is having trouble with her respiratory system. Several respiratory conditions can impact gas exchange. Describe the process of gas exchange in the lung (alveoli).

3. What is the causative agent for tuberculosis (TB)? How does one get tuberculosis?

4. Explain the tests used to diagnose someone with active TB (make sure to include x-ray, sputum analysis, skin tests, and blood tests).

5. Using information from the Centers for Disease Control and Prevention (CDC) and the link in the previous question, compare and contrast latent TB with active TB (also called TB disease). Fill out the table below, then add in the information we know so far about Callie.

6. Based on what you know and what you have just read, how do you think active TB infection impacts gas exchange in the alveoli? (Hint: think about which aspect of Fick's law is being altered.)

7. Based on what you know about Callie, are there any life style factors that might be contributing to her health and respiratory problems? Specifically, could something have exacerbated her condition? Explain.

8. Based on the information that Callie gave her doctor, how could she have contracted tuberculosis? How is pulmonary tuberculosis transmitted?

9. Can a person with latent TB pass it to others?

10. When looking up information Callie discovered that people can have false positive results to the tuberculin skin test. Describe the tuberculosis skin test (TST) and explain why a false positive can occur.

11. Jeremy and all of Callie's coworkers were identified as close contacts by the health department nurse. They all underwent tuberculosis skin testing. If Jeremy and Callie's coworkers have positive TSTs, would you interpret them as false positives or an indication of latent TB infection?

Reference no: EM133413826

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