Podcast
Questions and Answers
Which enzyme deficiency is detected by the test described in the text?
Which enzyme deficiency is detected by the test described in the text?
- Niacinase deficiency
- Niacin connecting enzyme deficiency (correct)
- Niacin dehydrogenase deficiency
- Niacin ribonucleotide reductase deficiency
What is the positive result indicator for M.tuberculosis in the described test?
What is the positive result indicator for M.tuberculosis in the described test?
- Red color
- Yellow color (correct)
- Blue color
- Green color
What culture medium should be used in the test for detecting the ability of isolates to reduce nitrate?
What culture medium should be used in the test for detecting the ability of isolates to reduce nitrate?
- Eosin Methylene Blue agar
- Lowenstein-Jensen medium
- MacConkey agar
- Nutrient broth with 0.1% potassium nitrate (correct)
Which of the following organisms is NOT strongly positive in the nitrate reduction test?
Which of the following organisms is NOT strongly positive in the nitrate reduction test?
What is a key distinguishing feature of M.tuberculosis in the nitrate reduction test?
What is a key distinguishing feature of M.tuberculosis in the nitrate reduction test?
Which reagent is NOT used in the test to detect nitrate reduction ability?
Which reagent is NOT used in the test to detect nitrate reduction ability?
What does a positive result in the nitrate reduction test indicate about an organism's ability?
What does a positive result in the nitrate reduction test indicate about an organism's ability?
Which species serves as a quality control positive agent for the niacin detection test?
Which species serves as a quality control positive agent for the niacin detection test?
What is the role of Zinc in the nitrate reduction test?
What is the role of Zinc in the nitrate reduction test?
Which organism shows accumulation of niacin in the medium as a positive result?
Which organism shows accumulation of niacin in the medium as a positive result?
