TB. Case study.docx

TB. Case INSTRUCTIDNS All questions apply to this case study. Your responses should be brief and to the point. When asked to provide several answers, list them in order of priority or significance. Do not assume information that is not provided. Please print or write clearly. If your response is not legible, it will be marked as ? and you will need to rewrite it. Scenario You are a public health nurse working at a county immunization and tuberculosis (TB) clinic. B.A. is a 61-year-old woman who wishes to obtain a food handler's license and is required to show proof of a negative Mantoux (purified protein derivative [PPD]) test before being hired. She came to your clinic 2 days ago to obtain a PPD test for TB. She has returned to have you evaluate her reaction. 1. What is TB, and what microorganism causes it? 2. What is the route of transmission for TB 3. The Centers for Disease Control and Prevention (CDC) recommends screening people at high risk for TB. List five populations at high risk for developing active disease. 4. Describe the two methods for TB screening. 5. How do you determine whether a Mantoux test is positive or negative? ' 6. What additional information would you want to obtain from A. before interpreting her skin test result as positive or negative? 7. Determine whether B.A.'s skin test is positive or negative. 8. A. asks you what a positive PPD result means. How will you respond? . 9. What steps will need to be done to determine whether A. has an active TB infection? 10. What is a latent TB infection (LTBI)? 11.What parameters are used to determine whether treatment should be initiated for LTBI? 12. According to the most current CDC guidelines, what constitutes usual preventive therapy for LTBI? 13. Different medications are associated with different side effects. Identify the test used to monitor each possible side effect listed as follows: . 14. Nonadherence to drug therapy is a major problem that leads to treatment failure, drug resistance, and continued spread of TB. The CDC recommends two methods to ensure compliance with medication for all patients who have drug-resistant TB and for those who take medication two or three times every week. Identify one of those methods. 15. What information should A. receive before leaving the clinic?