Question 154 · LDEK · Pharmacotherapy in oral surgery
Indicate the true sentence concerning the chlorhexidine:
1) it is widely used in the prophylaxis and treatment of oral cavity mucosa infections;
2) high effectiveness and very low toxicity contribute to its popularity;
3) its characteristic property is significant adhesion to the skin and oral mucosa;
4) chlorhexidine is effective against Gram-negative bacteria and all viruses and fungi;
5) it has a barely noticeable effect against Gram-positive bacteria, and against some it has no effect at all;
6) it affects bacterial spores.
The correct answer is:
2) high effectiveness and very low toxicity contribute to its popularity;
3) its characteristic property is significant adhesion to the skin and oral mucosa;
4) chlorhexidine is effective against Gram-negative bacteria and all viruses and fungi;
5) it has a barely noticeable effect against Gram-positive bacteria, and against some it has no effect at all;
6) it affects bacterial spores.
The correct answer is:
- A. 1,2,3.
- B. 1,5,6.
- C. 1,2,6.
- D. 4,5,6.
- E. 2,3,5.
Hint
Recall chlorhexidine's substantivity, which bacteria are most sensitive to it and whether it kills spores.
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