Question 256 · LDEK · Medically compromised patient
During preparing the patient with vascular diathesis for tooth extraction, it is essential to administer vasoprotective and improving the seal of blood vessels medication. Choose correct sentence/s:
1) Vasoprotective effect of vitamin C consists of promoting the conversion of hydroxyproline to proline and hydroxylysine to lysine;
2) Vitamin C is introduced to the treatment 7 days before the surgery in a dose of 500 mg per day intraorally;
3) Calcium dobesylate increases the capillary resistance and it is recommended in dose of 1000 mg per day intraorally in two split doses, 3 days before the surgery;
4) Full effect of etamsylate develops in 4 hours after intraoral intake and results in sealing the endothelium of blood vessels;
5) Rutoside activates the enzymes containing ions of copper: hyaluronidase and ceruloplasmin.
The correct answer is:
2) Vitamin C is introduced to the treatment 7 days before the surgery in a dose of 500 mg per day intraorally;
3) Calcium dobesylate increases the capillary resistance and it is recommended in dose of 1000 mg per day intraorally in two split doses, 3 days before the surgery;
4) Full effect of etamsylate develops in 4 hours after intraoral intake and results in sealing the endothelium of blood vessels;
5) Rutoside activates the enzymes containing ions of copper: hyaluronidase and ceruloplasmin.
The correct answer is:
- A. 1, 2, 3.
- B. 4, 5.
- C. only 3.
- D. 2, 5.
- E. 3, 4.
Hint
Check the direction of the vitamin C hydroxylation reaction and whether rutoside activates or inhibits hyaluronidase.
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