The original purpose of the six minute walk was to test exercise tolerance in chronic respiratory disease and heart failure. Absolute contradiction for this test is:

1. unstable angina pectoris

2. myocardial infarction within past month

3. heart rate >120/min. at rest

4. systolic blood pressure over 180 mmHg or diastolic over 100 Hg

1. 1,3 b) 3,4 c) 1,2 d) 1,4 e) 2,4

Correct answer: b)

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Diagnostic criteria for nosocomial pneumonia, besides the definition, are:

1. new or progression of existing changes in CXR

2. presence of at least two out of three clinical symptoms such as fever over 38^oC, leucocytosis or leucopenia, purulent sputum

3. positive blood cultures

4. correct a and b

5. correct a, b and c

Correct answer: d

Source

Multi-drug resistant Mycobacterium tuberculosis strains are resistant to:

1. streptomycine, isoniazid, ethambutol, cycloserine

2. streptomycine, , ethambutol, pyrazinamide, cycloserine, isoniazid

3. isoniazid and rifampicin

4. streptomycine, isoniazid, ethambutol

5. rifampicin

Correct answer: c)

Source:

The most common pathogen causing the community acquired pneumonia is:

1. Strepotococcus pneumoniae

2. Mycoplasma pneumoniae

3. Staphylococcus aureus

4. Haemophilus influenzae

5. Pseudomonas aeruginosa

Correct answer: a)

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