chapter 6 and 7 test

ansi/aami St91 recommends that the high level disinfection area should have how many air exchanges per hour? a. 5 b. 8 c. 10 d. 12

10

what is the required exposure time for manual immersion high level disinfection when using ortho-phthalada at temp of 20 degrees C a. 5 min b. 12 min c. 7 min d. 15 min

12

Glutraldehyde soak time necessary to achieve high level disinfection range form 5 to 90 minutes at temps of a. 5 degrees C to 15 b. 20 degrees C to 35 c. 35 degrees C to 45 d. 10 degrees C to 18

20 degrees C to 35

facility guidelines institute recommends that the relative humidity in all work areas remain in what range? a. 20 to 60% b. 30 to 50% c. 15 to 80% d. 10 to 20%

20 to 60%

what is the required exposure time for ortho OPA when using an autoated endoscope reprocessor that maintains a temp of 25 degrees C a. 5 min b. 12 min c. 7 min d. 15 min

5 min

which of the following statements is true regarding high level disinfection? a. all disinfectants have the ability to kill the same microorganisms b. protein soils can affect the disinfection process c. lumened devices are easy to disinfect because of their air pockets d. all high level disinfectants have the same exposure time

b. protein soils can affect the disinfection process

quaternary ammonium compound disinfectants are a. used for high level disinfectants b. realitively non toxic to humans c. do not permit the growth of gram negative bacteria within them d. are sporicidal

b. relatively non toxic to humans

which of the following would be obvious on an improperly cleaned instrument that has been disinfected in orhto-phthalaldehyde? a. slimy coating b. yellow stain c. blue stain d. foul odor

blue stain

There is a high patient census, and there are no IV Pumps available in the CS/SPD department for distribution. Which of the following steps should be taken? a. wait for the next shift to do rounds b. call nursing units to let them know c. check the nursing units more frequently for unused pumps d. tell the requesting units that there are no pumps in the department

c. check the nursing units more frequently for unused pumps

automated high level disinfection systems are designed for the reprocessing of a. surgical insturments b. sequential compression devices c. gastrointestinal endoscopes and bronchoscopes d. telemetry monitors

c. gastrointestinal endoscopes and bronchoscopes

flexible endoscopes that have been high level disinfected should be stored for use a. flat on a table to dry b. in a closed locking lid container c. in a vertical position (hanging) d. coiled as tightly as can be achieved

c. in a vertical position (hanging)

prior to transport to the decontamination area, soiled patient care equipment should be a. treated with enzyme foam b. placed in clear plastic bag c. placed in biohazard bags d. placed on an open wire cart

c. placed in biohazard bags

Accelerated hydrogen peroxide is a. used in low temperature sterilization systems b. an environment cleaner disinfectant c. remains wet more easily for the recommended period of time d. combination of peroxide and saline

c. remains wet more easily for the recommended period of time

Generally, prior to disinfection, patient care equipment should be a. wiped off with water b. cleaned with a detergent c. rinsed with an antiseptic d. cleaned with a chlorine soaked cloth

cleaned with a detergent

which of the following pieces of equipment is sometimes used after total knee replacement to exercise the joint? a. hypo/hyperthermia machine b. sequential compression device c. patient controlled analgesia pump d. continuous passive motion device

d. continuous passive motion device

osmosis is a. movement of a solvent through a non permeable membrane into a solution of higher concentration b. the movement of a solvent through a permeable membrane into a solution of higher concentration c. not affected by the concentration of the disinfectant d. factor that causes the passage if the disinfectant into the cell

d. factor that causes the passage if the disinfectant into the cell

which of the following high level disinfectants requires activation prior to use? a. ortho-phthalaldehyde b. hydrogen peroxide c. peractic acid d. glutaraldehyde

d. glutaraldehyde

which of the following should be used to disinfect patient care equipment? a. an alcohol based disinfectant b. a chlorinated wipe c. the general use disinfectant used to clean work surfaces d. the disinfectant recommended by the equipment manufacturer

d. the disinfectant recommended by the equipment manufacturer

all of the following are requirements of high level disinfection area except a. hand hygiene facilities b. unobstructed access to eyewash facilities c. accommodations for the disposal of hazardous substances d. thermostat for hvac control

d. thermostat for hvac control

Glutraldehyde is a high level disinfectant a. that is compatible with all medical devices b. used to clean noncritical medical devices c. can be used as an enviornmental disinfectant d. used on semicritical and critical immersible devices

d. used on semicritical and critical immersible devices

the ability of a disinfectant to perform most efficiently depends on a. how quickly it dries b. a strong concentration c. mixing it with a detergrent d. whether it remains wet for the stated amount of time

d. whether it remains wet for the stated amount of time

Alcohol inactivates microorganisms by a. evaporation b. alkylation c. oxidizing the proteins d. denaturing the proteins

denaturing the proteins

When minimum effectiveness testing reveals that the concentration of a high-level disinfectant is below the recommended level, you should a. add more disinfectant to the basin b. add water to the solution c. continue to use the solution d. discard the solution

discard the solution

the amount of time that all surfaces of the device must be fully immersed, and all surfaces of the device exposed to the hld solution according to the hld manufacturers is the a. immerse time b. exposure time c. required time d. disinfect time

exposure time

According to Spaulding's classification of medical devices, a semi-critical item requires which form of disinfection? a. low level disinfecrtion b. high level disinfection c. sanitization d. sterilization

high level disinfection

which of the following best describes the process that kills most microorganisms but not necessarily spores a. antisepsis b. sterilization c. dioization d. high-level disinfection

high level disinfection

the trophon system a. is a sterilization system b. is mainly used for processing TEE probes c. can be used with any type of packaging material d. does not require biological monitoring

is mainly used for processing TTE probes

is the length of time for which the hld can be used after it is opened and placed into use a. use life b. shelf life c. hld class d. 14 days

use life

to obtain maximum effectiveness, disinfectants must be a. mixed with a detergent b. used in the proper concentration c. applied two times d. kept at a temperature lower than 40F

used in the proper concentration

the process for decontamination of patient care equipment should a. be approved by the infection prevention committee b. be standardized so all equipment is decontaminated the same way c. include treatment with chlorine bleach wipes before cleaning d. include high level disinfection process

a. be approved by the infection prevention committee

minimumm effective concentration or miniumum recommended concentration testing is done a. before each time the solution isused b. once a month c. ince a week d. annually

a. before each time the solution isused

test strips should be labled with which of the following a. date opened and date of expiration b. lot number of solution c. lot number of test strips d. initials of SPD tech using strips

a. date opened and date of expiration

what information regarding high level disinfection can be found in the manufacturers ifu for the disinfectant? a. dilution, material compatability, temp requirements, safety and engineering controls b. color, cost, and ingredients c. disasembly of the medical device d. table of contents

a. dilution, material compatability, temp requirements, safety and engineering controls

for which of the following chemicals is routine employee monitoring for exposure levels required? a. glutaraldehyde b. tincture of iodine c. ortho-phthaldehyde d. sodium hypochlorite

a. glutaraldehyde

Glutraldehyde can kill spores by extedning exposure time 8 to 12 hours int his case it is considered a. liquid chemical sterilant b. high level disinfectant c. antiseptic d. decontaminant

a. liquid chemical sterilant

which of the following is not part of the final preparation of patient care equipment for reuse? a. placement of disassembled parts into a plastic bag b.checking of cords and plugs for signs of damage c. checking of the date of the last safety check d. lubrication of moveable parts

a. placement of disassembled parts into a plastic bag

patient care equipment should be reprocessed a. after each use b. once a week c. when it is visibly soiled d. at least monthly

after each use

which of the following actions should be taken if a small cut or nick is noted in the electrical cord of piece of patient care equipment? a. place electrical tape over the defect b. clean and disinfect the equipment and then send it to the biomedical engineering department c. leave the equipment d. contact the manufacturer for further instructions

b. clean and disinfect the equipment and then send it to the biomedical engineering department

The nursing unit calls for a patient-cooling machine. Which of the following would be sent? a. intravenous pump b. hypo/hyperthermia machine c. continuous passive motion device d. patient controlled analgesia pump

b. hypo/hyperthermia machine

quality assurance testing tests the efficacy of the strips and is required by a. manager b. manufacturer IFU c. charge nurse d. CRNA

b. manufacturer IFU

is indicatedby the date stamped on the container which is the date by which the bottle be used a. use life b. shelf life c. hld class d. 14 days

shelf life

iodine is used primarily to reduce microorganisms on which of the following? a. workstations b. patient care equipment c. skin d. metals and rubber

skin

is a system used to classify medical devices a. triangle of callot b. wound classifications c. spaldings classifcations d. hesselbachs triangle

spaldings classifications