Tuberculosis

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You must score 70% or better to pass this course. Select one answer for each question by clicking the circle at the left of your choice. To change your selection, click a different circle. Do not skip any questions.

Test Question

1. Tuberculosis is a disease transmitted by:

a. Hand to hand contact.
b. Poor community sanitation.
c. Airborne particles.
d. Sexual practices.

Test Question

2. It is possible to be infected with M. tuberculosis and still not have TB disease.

a. True
b. False

Test Question

3. Nontuberculous mycobacteria are not included in the M. tuberculosis complex because:

a. They cause diseases with completely different characteristics.
b. They infect the gastrointestinal system exclusively.
c. They are not usually spread from person to person.
d. They are carried by vectors.

Test Question

4. The resurgence of TB in the United States in the late twentieth century was fueled by which one of the following?

a. An outbreak of pertussis
b. Declining attention to preventive measures
c. The assumption that TB had been eradicated
d. The HIV epidemic

Test Question

5. Following more than a decade of effort, the 2006 TB rate:

a. Spiked, causing grave concern.
b. Was the lowest since reporting began in 1953.
c. Was consistent across all populations.
d. Showed a gradual increase over the previous few years.

Test Question

6. Droplet nuclei containing tubercle bacilli remain suspended in the air for:

a. A few seconds.
b. Up to 30 seconds.
c. A few minutes.
d. Prolonged periods of time.

Test Question

7. The best way to stop transmission of TB is to isolate patients with suspected or confirmed infectious TB disease

a. True
b. False

Test Question

8. Drug-resistant TB is different from drug-susceptible TB in that:

a. It is transmitted differently.
b. It is more infectious.
c. It can result in prolonged periods of infectiousness.
d. Its droplets are more potent.

Test Question

9. Individuals who are infected with M. tuberculosis, but who do not have TB disease, cannot spread the infection to other people.

a. True
b. False

Test Question

10. Extrapulmonary TB is:

a. TB disease that occurs outside the lungs.
b. Multiple forms of TB at the same time.
c. A thousand times more contagious.
d. Carried by birds and cows.

Test Question

11. Conditions that increase the risk of LTBI progressing to TB disease include:

a. Poor diet.
b. Lack of exercise.
c. Obesity.
d. HIV infection and diabetes.

Test Question

12. The Mantoux tuberculin skin test is commonly known as:

a. MTST.
b. Mantoux test.
c. TST.
d. Mantoux TST.

Test Question

13. People at special risk for exposure to TB infection include:

a. Daycare workers.
b. Injection drug users.
c. Restaurant workers.
d. Sexually active young adults.

Test Question

14. Interpretation of Mantoux tuberculin skin test reactions depends on which of the following?

a. The size of the induration, redness of injection area, and patient's risk factors
b. The size of the induration and time since exposure
c. The size of the induration and patient's risk factors
d. The size of the induration and the agency's guidelines

Test Question

15. The QFT-G and the Mantoux tuberculin skin test may be used in all the same circumstances, but the QFT-G generally replaces the latter.

a. True
b. False

Test Question

16. Advantages to using the QFT-G include:

a. It is not subject to reader bias.
b. Results are available in three days.
c. Only two visits are required to draw patient blood.
d. It is cheaper than former tests.

Test Question

17. Testing of blood collected for the QFT-G test must begin within how many hours of collection so white blood cells are still viable?

a. 2
b. 12
c. 18
d. 24

Test Question

18. What is anergy?

a. Listlessness associated with advanced TB disease.
b. Inability to react to a skin test because of a weakened immune system.
c. Lack of appetite following TB infection.
d. Gradual debility following onset of TB disease.

Test Question

19. What is a boosted reaction?

a. One that is exaggerated due to the patient's other medications.
b. One where the test itself boosts the infected individual's reaction, producing a positive reaction following a negative one.
c. One that boosts general immunity.
d. One that identifies additional pathogens in the body.

Test Question

20. Examples of high-risk congregate facilities include:

a. Many business offices.
b. Nursing homes.
c. Elementary schools.
d. Public transit.

Test Question

21. Which of the following is a symptom of pulmonary TB?

a. Manic behavior
b. Weight gain
c. Changes in visual acuity
d. Cough that lasts more than 3 weeks

Test Question

22. The initial M. tuberculosis isolate for any patient should be tested immediately for resistance to the first-line antituberculosis medications.

a. True
b. False

Test Question

23. Which of the following is true of LTBI treatment?

a. Only one regimen has proven successful in all populations.
b. We really need to test everyone for TB if we want to eradicate the disease.
c. Treatment of LTBI is essential to the control and elimination of TB disease.
d. Young children do not require treatment different from that of adults.

Test Question

24. Treatment of LTBI for 6 months may be preferable to the 9-month regimen.

a. True
b. False

Test Question

25. During treatment of LTBI, patients should be clinically evaluated at least every:

a. Day.
b. Week.
c. Month.
d. Year.

Test Question

26. Nonadherence is generally not a problem in the treatment of TB, so no special strategies are recommended.

a. True
b. False

Test Question

27. Directly observed therapy (DOT) can significantly reduce treatment failure and should involve every member of the patient's family.

a. True
b. False

Test Question

28. The duration of therapy for pulmonary TB depends on the drugs used, the drug susceptibility test results, and the:

a. Patient's response to therapy.
b. Patient's adherence.
c. Family's support.
d. Patient's age.

Test Question

29. Breastfeeding should be discouraged for women being treated with first-line antituberculosis drugs.

a. True
b. False

Test Question

30. Patients who have positive cultures after four months of treatment should be considered as having failed treatment.

a. True
b. False

Test Question

31. There are three levels of the TB infection-control hierarchy. They are:

a. Administrative controls, environmental controls, and personal respiratory protection.
b. Ambulatory controls, handwashing, and personal protective equipment.
c. Administrative controls, testing, and personal protective equipment.
d. Ambulatory controls, pharmaceutical controls, and personal respiratory protection.

Test Question

32. The Bacille Calmette-Guérin (BCG) vaccine is not generally recommended in the United States.

a. True
b. False

Test Question

33. Prevention and control strategies include all but which of the following?

a. Identifying and treating all who have TB disease.
b. Finding and evaluating those in contact with TB patients.
c. Testing all children before they go to school.
d. Testing high-risk groups for TB infection.

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