Pulmonary - Tb - Quiz, Trivia & Questions

14 Questions | By Ashley_work_2002 | Updated: Feb 12, 2014 | Attempts: 528

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All items taken from Current 2014 or from Nyendak lecture

Questions and Answers

1.

A 45 yo man from Ecuador is starting work at a hospital as a radiology technician. Per hospital protocol, he gets an IGRA test done. He immigrated 3 years back. It is positive. What is your next step ?
- A.
  
  Chest xray to rule out subclinical TB; hx and PE to check for extrapulmonary TB
- B.
  
  Start isoniazid and rifampin until you can determine if he has drug-resistant TB
- C.
  
  No action needed; he doesn't have active TB
- D.
  
  Get sputum for culture
Correct Answer
A. Chest xray to rule out subclinical TB; hx and PE to check for extrapulmonary TB

Explanation
If CXR normal and no s/s of TB, he is assumed to have latent TB infection. Not necessary to get sputum. LTBI is not reportable. Offer him therapy for LTBI since he is at higher risk for progression to active TB since he immigrated within the last 5 years.

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2.

The optimal treatment plan for latent TB infection is:
- A.
  
  Same as active infection: 6 months of isoniazid, rifampin, pyrazinamide, and ethambutol (for first 2 months, until M tuberculosis isolate is determined to be sensitive to isoniazid, then minimum 4 months of isoniazid and rifampin)
- B.
  
  No treatment needed until progression to active TB
- C.
  
  Isoniazid for 9 months
- D.
  
  Isoniazid and rifampin for 12 months
Correct Answer
C. Isoniazid for 9 months

Explanation
Current 2014 p276; lecture slide 39

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3.

TB mortality is much greater in HIV-positive patients.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
4.

The patient with pulmonary tuberculosis typically presents with the following symptoms: (check all that apply)
- A.
  
  Anorexia, weight loss
- B.
  
  Fever, night sweats
- C.
  
  Significant hemoptysis
- D.
  
  Blood-streaked sputum
Correct Answer(s)
A. Anorexia, weight loss
B. Fever, night sweats
D. Blood-streaked sputum

Explanation
Current 2014 p270
hemoptysis is a late finding

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5.

Gold standard test for detection of M. tuberculosis:
- A.
  
  Pleural fluid culture
- B.
  
  A sputum microscopy
- C.
  
  Blood culture
- D.
  
  Isoniazid susceptibility testing
Correct Answer
D. Isoniazid susceptibility testing

Explanation
Current 2014 p271

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6.

All suspected and confirmed cases of TB should be reported promptly to local and state public health authorities.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Current 2014 p273

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7.

Persons with latent TB infection can still transmit the organism to others.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Current 2014 p269, lecture slide 93

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8.

Scrofula is:
- A.
  
  Sometimes mistaken for malignancy
- B.
  
  A common form of extrapulmonary TB
- C.
  
  Tuberculous lymphadenitis
- D.
  
  All of the above
Correct Answer
D. All of the above

Explanation
lecture slide 74

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9.

Patients taking isoniazid should also take daily oral pyridoxine (B6) as prophylaxis for neuritis.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Table 9-14, p274, Current 2014

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10.

Interactions with warfarin, oral contraceptives, and digoxin:
- A.
  
  Rifampin
- B.
  
  Isoniazid
- C.
  
  Ethambutol
- D.
  
  Pyrazinamide
Correct Answer
A. Rifampin
11.

Warn patients that tears and urine might turn red:
- A.
  
  Isoniazid
- B.
  
  Ethambutol
- C.
  
  Rifampin
- D.
  
  Pyrazinamide
Correct Answer
C. Rifampin
12.

Risk of loss of visual acuity, and red-green color blindness:
- A.
  
  Isoniazid
- B.
  
  Ethambutol
- C.
  
  Rifampin
- D.
  
  Pyrazinamide
Correct Answer
B. Ethambutol

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Current Version
Feb 12, 2014

Quiz Edited by
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Feb 08, 2014

Quiz Created by
Ashley_work_2002

Pulmonary - Tb

A 45 yo man from Ecuador is starting work at a hospital as a radiology technician. Per hospital protocol, he gets an IGRA test done. He immigrated 3 years back. It is positive. What is your next step ?

The optimal treatment plan for latent TB infection is:

TB mortality is much greater in HIV-positive patients.

The patient with pulmonary tuberculosis typically presents with the following symptoms: (check all that apply)

Gold standard test for detection of M. tuberculosis:

All suspected and confirmed cases of TB should be reported promptly to local and state public health authorities.

Persons with latent TB infection can still transmit the organism to others.

Scrofula is:

Patients taking isoniazid should also take daily oral pyridoxine (B6) as prophylaxis for neuritis.

Interactions with warfarin, oral contraceptives, and digoxin:

Warn patients that tears and urine might turn red:

Risk of loss of visual acuity, and red-green color blindness: