Answers.

Tests.

1. a. 6. d. 11. a.

2. b. 7. c. 12. c.

3. c. 8. b. 13. c, d.

4. c. 9. d. 14. a, e.

5. c. 10. a. 15. e.

System teaching tasks

1. All instruments are disinfected in a 6% solution hydrogen peroxide with a 0,5% cleanser during a 1 hour., then they are exposed to the ordinary before operation cleaning and sterilized by the proper method.

2. the given result of test testifies to that on an instrument are present tailings of blood, it is necessary again to conduct before sterilization treatment of tool in full.

3. the given result of test testifies to that on an instrument are present tailings of blood, it is necessary again to conduct before sterilization treatment of tool in full.

4. a reagent needs to be inflicted into a place, where unite hands, or where cutting on working parts of instrument is; it is needed to repeat a test still on 2-3 instruments.

5. it is needed to inflict on an instrument on 3 drops of a 1% solution of muriatic benzidina and 3% hydrogen peroxide; the result of the conducted test can not be taken into account.

6. the result of the conducted test testifies to the presence on the instruments of tailings of synthetic cleanser; it is necessary again to rinse an instrument in running water, then in the distilled water, to dry up him and again conduct a test.

7. the given tool needs to be dipped in a 1% solution of sodium of benzoate on 1 hour, that will provide dissolution of biological tailings on him and anticorrosion action.

8. a medical sister at the beginning must conduct disinfection of the given tool by one of methods, and then only begin his before sterilization cleaning.

9. a washing complex is prepared in a glass crockery or in the enameled pelvis; the calculated quantity of water is poured at first, then the necessary quantity of perhіdrol and SMZ is added - for the receipt 10 l of solution take a 9550 ml water, 400 ml pergidrolya and 50 g SMZ.

10. it is necessary to conduct tests on quality of before sterilization treatment.

11. after washing of instrument in running water it was necessary to rinse instruments in the distilled water.

12. after wetting in the SMZ solution she must wash every instrument in a cleanser by means the brush during a 1 minute.

13. it was necessary washing a tool in running water before immersion of it in water solution.

14. it was necessary to dip an instrument in the prepared washing one solution on 15 -17 minutes.

15. it is necessary washing instruments in running water during 5-10 minutes after wetting and rinsing of them in washing complex solution.