Question 386 · LDEK · Etiology and pathogenesis of caries
Select the true statements regarding the elements of saliva:
1) lysozyme absorbes free iron ions;
2) lactoferrin doesn’t present antimicrobial activity;
3) secretory immunoglobulin A and mucins present agglutinative activity;
4) lysozyme and secretory immunoglobulin A are salivary enzymes;
5) mucins, lactoferrin and secretory immunoglobulin A support remineralisation.
The correct answer is:
2) lactoferrin doesn’t present antimicrobial activity;
3) secretory immunoglobulin A and mucins present agglutinative activity;
4) lysozyme and secretory immunoglobulin A are salivary enzymes;
5) mucins, lactoferrin and secretory immunoglobulin A support remineralisation.
The correct answer is:
- A. 1,5.
- B. 2,3.
- C. 3,4.
- D. only 3.
- E. only 5.
Hint
Match each salivary protein to its real function: iron binding, cell-wall lysis, bacterial agglutination or keeping saliva supersaturated with calcium phosphate.
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