V. System teaching tasks for verification of eventual level of knowledge.

1. In a chamber, bandaging to the patient after the operation concerning a gas gangrene is executed. What actions must be executed with used instruments during the given bandaging?

Answer: 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 senior operating sister of operating block conducted a benzidin test on quality of before sterilization treatment of tool. Thus, she got the dark blue-green colouring on one of control instruments. What the given result testifies to? What must be done at that rate?

Answer: 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 senior operating sister of operating block conducted an ortotuloidin test on quality of before sterilization treatment of tool. Thus she got the bright green color on one of control instruments. What the given result testifies to? What must be done at that rate?

Answer: 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 medical sister conducts a control amidopirin test on quality of before sterilization treatment of tool. She inflicted 3 drops on one of instruments (inflicted drops on cutting part of scissors), that were in the given party and passed treatment and got no colouring. What it is possible to do a conclusion? Is it possible to consider finished before sterilization treatment of the given party of instruments?

Answer: 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. A medical sister conducted a test on quality of before sterilization treatment of surgical tool. She inflicted on the working surface of clamp 3 drops of a 1% solution of muriatic benzidin. The change of color in the place of causing of reagent did not arise up. What it is possible to do a conclusion? What, possibly, an error assumed by a medical sister?

Answer: it needed to inflict on an instrument on 3 drops of a 1% solution of muriatic benzidin and 3% hydrogen peroxide; the result of the conducted test cannot be taken into account.

6. A medical sister conducted a test on quality of before sterilization treatment of surgical tool. She inflicted on two instruments on 2 drops of a 1% alcoholic solution of phenolphthalein and got the rose coloring. What the result of test testifies to that it is necessary to do with the given party of tool, that passed the before sterilization cleaning?

Answer: 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. From an operating room a junior nurse brought surgical instruments to sterilization, which is strongly muddy by a blood drying up. The given instrument must be prepared to sterilization. How possible to clean the given tool from contamination and conduct before sterilization treatment?

Answer: 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 surgical instrument used during operative interference at a patient with the peritonitis poured out. A medical sister after the operation began to prepare the given tool to sterilization and began to wash him under running water with a brush. What error does a medical sister assume? How must she act with the given surgical tool?

Answer: 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 medical sister must prepare 1 l washing complex solution for the before sterilization cleaning of instruments. How will she do it?

Answer: 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 pergidrol and 50 g SMZ.

10. The operating trained nurse conducted the before sterilization cleaning of surgical tool. She washing an instrument in running water during a 1 minute, dipped him in washing solution at the temperature 50^oС on 15-17 minutes washed every instrument in washing solution by means the brush during a 1 minute, washing instruments in running water during 5-10 min, washing them in the distilled water, dried out in a dry heat closet. What still needs to done to the conclusion of tool on trays for his sterilization in a dry heat closet?

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

11. The operating trained nurse conducted the before sterilization cleaning of surgical tool. She washing an instrument in running water during a 1 min, dipped him in washing solution at the temperature 50^oС on 15-17 min washed every instrument in washing solution by means the brush during a 1 minute, washing instruments in running water during 5-10 min, dried out in a dry heat closet. Is it right she conducted the before sterilization cleaning?

Answer: After washing of instrument in running water, it was necessary to rinse instruments in the distilled water.

12. The operating trained nurse conducted the before sterilization cleaning of surgical tool. She washing an instrument in running water during a 1 minute, dipped him in washing solution at the temperature 50^oС on 15-17 min washing instruments in running water during 5-10 min, washing them in the distilled water, dried out in a dry heat closet. Is it right she conducted the before sterilization cleaning?

Answer: After wetting in the SMZ solution, she must wash every instrument in a cleanser by means the brush during a 1 minute.

13. The operating trained nurse conducted before sterilization cleaning of surgical tool. She dipped him in washing a mean at the temperature of 50^oC on 15-17 min, washed every instrument in washing solution by a brush during a 1 min, washing instruments in running water during 5-10 min, washing them in the distilled water, dried out in a dry heat closet. What error did a medical sister assume?

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

14. The medical operating trained nurse conducted the before sterilization cleaning of surgical tool. She washing an instrument in running water during a 1 min, washed every instrument in washing solution by a brush during a 1 min, washing instruments in running water during 5-10 min, washing them in the distilled water, dried out in a dry heat closet. What error did a medical sister assume?

Answer: it was necessary to dip an instrument in the prepared washing one solution on 15 -17 min.

15. The medical operating trained nurse conducted the before sterilization cleaning of surgical tool. She washing an instrument in running water during a 1 min, dipped him in washing solution at the temperature of 50^oC on 15-17 min, washed every instrument in washing solution by a brush during a 1 min, washing them in the distilled water, dried out in a dry heat closet. What error did a medical sister assume?

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