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Infection Control Midterm: Questions and Answers, Exams of Nursing

Pacific Lutheran University (PLU)Nursing

A comprehensive set of multiple-choice questions and answers covering key concepts in infection control, particularly relevant to dental professionals. It covers topics such as the chain of infection, bloodborne diseases, hand hygiene, and personal protective equipment. Valuable for students and professionals seeking to understand and apply infection control principles in a dental setting.

Typology: Exams

2024/2025

Available from 01/23/2025

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1 |/
|20
the |vesicles
|s |most
Den 111- Infection Control Midterm (Tests
1-3) with correct answers
1. The |"hiding |place" |link |in |the |chain |of |infection |where |germs |live,
|grow, |and |increase |in |numbers |is |better |termed:: |Reservoir
2. This |virus |is |found |in |adults |and |exhibits |painful
|eruption |and |or |blisters |run |along |the |pathway |of |a
|sensory |nerve. |The |virus |i |likely:: |Herpes |Zoster
3. The |prodormal |stages |of |a |disease |is |defined |as |the::
|appearance |of |early |symptoms.
4. What |bloodborne |disease |has |the |greatest |potential |for
|occupational |trans- |mission |risk |to |dental |professionals?:
|Hepatitis |B
5. The |best |way |for |you |to |avoid |contracting |a |bloodborne |disease
|in |the |office |is |to:: |handle |sharps |carefully.
6. A |vaccine |is |available |for |which |of |the |following |types |of
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14

Partial preview of the text

Download Infection Control Midterm: Questions and Answers and more Exams Nursing in PDF only on Docsity!

1 |/ the|vesicles |s |most

Den 111- Infection Control Midterm (Tests

1-3) with correct answers

  1. The|"hiding|place" |link |in |the |chain |of |infection |where |germs |live, |grow,|and |increase |in |numbers |is |better |termed:: |Reservoir
  2. This |virus |is |found |in |adults |and |exhibits |painful |eruption |and |or |blisters |run |along |the |pathway |of |a |sensory |nerve.|The |virus |i |likely:: |Herpes |Zoster
  3. The |prodormal |stages |of |a |disease |is |defined |as |the:: |appearance |of |early |symptoms.
  4. What |bloodborne |disease |has |the |greatest |potential |for |occupational |trans- |mission |risk |to |dental |professionals?: |Hepatitis |B
  5. The|best|way|for|you|to|avoid|contracting|a|bloodborne|disease |in|the|office |is |to:: |handle |sharps |carefully.
  6. A|vaccine|is |available |for |which|of|the |following|types |of

2 |/ |hepatitis?: |Hepatitis |B |and |hepatitis |A

  1. The |vaccine |for |hepatitis |B |also |protects |against:: |Hepatitis |D
  2. That |period |of |an |infectious |disease |when |the |symptoms |are |at |or |near |the |maximum |level |is |called |the:: |acute |stage
  3. In|order|for|an|infection|to|take|place,|certain|elements|must|be |present.|The |first |of |these |elements |in |the |chain |of |infection |is:: |Infectious |Agent
  4. Which |of |the |following |types |of |respiratory|infections |is |usually|caused |by |inhaling |or |aspirating |contaminated |water?: |Legionnaire |disease
  5. How |long |can |the |hepatitis |C |virus |in |blood |dried |in |an |inanimate |surface |remain |infectious?: |Up |to | 6 |weeks
  6. Entrance |of |the |herpes |virus |through |breaks |in |the |skin |on |unprotected |hands |and |fingers |can |lead |to |vesicle |development |at |these |sites |called: .: |herpetic |whitlow
  7. A |percutaneous |route |of |exposure |to |an |infectious |agent |means |that |exposure |occurred:: |through |the |skin

4 |/

  1. Sterilization |of |contaminated |dental |instruments |before |they |are |used |on |a |subsequent |patient |interferes |with |which |link |in |the |chain |of |infection?: |Mode |of |spread
  2. Choose |the |step |in |the |chain |of |infection |that |immediately |follows |"mode |of |spread.": |Portal |of |entry
  3. What |microbe |causes |"strep |throat"?: |Streptococcus |pyogenes
  4. An |asymptomatic |carrier |can |be |in |which |of |the |following |stages |of |an |infectious |disease?: |Incubation |stage
  5. The |vaccine |for |hepatitis |B |also |protects |against: |Hepatitis |D
  6. That |period |of |an |infectious |disease |between |the |initial |infection |and |the |time |when |the |first |symptoms |occurs |is |called |the:: |incubation |stage
  7. The |occupational |exposure |most |likely |to |produce |disease |is::|parenteral |stick
  8. What |virus |has |caused |the |COVID-19 |pandemic?: |SARS-CoV-
  9. Which |of |the |following |human |herpesviruses |causes |hairy |leukoplakia,|an |infection |of |the |tongue?: |type | 4
  10. The |most |common |pathway |of |disease |transmission |in |a |dental |office |is |from |clinician |to |patient.: |false
  11. Which |of |the |following |forms |of |hepatitis |is |not |bloodborne?: |hepatitis |a

5 |/

  1. Which |of |the |following |hepatitis |diseases |seldom,|if |ever, |establishes |a |chronic |infection?: |Hepatitis |A
  2. Which |of |the |following |hepatitis |diseases |does |not |have |a |chronic |carrier |state?: |Hepatitis |A
  3. Entrance |of |the |herpes |virus |through |breaks |in |the |skin |on |unprotected |hands |and |fingers |can |lead |to |vesicle |development |at |these |sites |called .: |Herpetic |Whitlow
  4. How |soon |do |bacteria |begin |to |reattach |to |the |tooth |surface |and |start |forming |plaque |again |after |a |prophylaxis?: |within |seconds
  5. All |of |the |following |microbes |may |be |found |in |the |throat,|but |which |one |causes |most |middle |ear |infections?: |streptococcus |pneumoniae
  6. AIDS |is |the |acronym |for | .: |acquired |immunodeficiency |syndrome
  7. Mr. |Sams |ate |at |Crabby's |Corner |Restaurant. |After |about | 3 |weeks, |he |started |to |run |a |fever, |feel |tired,|nauseated, |and |he |began |to |develop |a |yellow |tint |to |his |skin. |Doctors |traced |his |illness |back |to |the |restaurant |at |which |he |had |eaten. |Mr. |Sams |most |likely |had:: |Hepatitis |A
  8. Which |of |the |following |would |NOT |influence |the |risk |of |infection |for |DHCP |from |an |occupational |exposure |from |blood?: |Occupation |of |the |patient
  9. The |greatest |occupational |risks |for |exposure |to |hepatitis |B |virus |are: |(1)

7 |/ hands |or |hands |with |torn |gloves; |(2) |spraying |of |blood |and |saliva |onto |open |lesions |on |the |skin |or |onto |mucous |membranes; |and |(3): |through |injuries |with |contaminated |sharps.

  1. The |best |way |for |you |to |avoid |contracting |a |bloodborne |disease |in |the |office |is |to: |handle |sharps |carefully.
  2. HIV |disease |is |an |example |of |a |disease |that |has |mainly |been |spread |through:: |human |behavioral |changes
  3. The |category |of |bacteria |on |the |hands |that |refers |to |the |normal |skin |bacteria |rather |than |the |pathogens |is |called:: |resident
  4. Which |of |the |following |is |appropriate |for |hand |hygiene |and |gloving?: |One |should |keep |nails |short |to |allow |for |thorough |cleaning |and |to |prevent |glove |tears.
  5. Why |is |it |important |to |wash |the |hands |before |gloving?: |This |reduces |the |number |of |microbes |on |the |skin |so |there|will |be |fewer |to |multiply|beneath |the |gloves |and |irritate |the |skin.
  6. Hands |should |be |washed |before |gloving |and |after |removing |gloves. |Question |4: |True
  7. You |are |working |for |Dr. |Danby.|You |arrived |at |work |at |7:45 |a.m., |lathered |and |rinsed |your |hands |two |times,|cleaned |and |disinfected |your |operatory|and |have |seated |your |first |patient. |Immediately |before |you |put |on |your |treatment |gloves,

8 |/ |how |many |times |will |you |wash |your |hands?: | 1 |lathering

  1. Which |of |the |following |protective |barriers |are |to |be |worn |when |processing |contaminated |instruments?: |Gloves, |mask, |protective |clothing, |and |protective |eyewear
  2. According |to |the |bloodborne |pathogens |standard |who |must |provide |gloves, |masks, |eyeglasses |and |protective |clothing |to |the |dental |assistant |in |the |office?: |The |employing |dentist |must |supply |this |protective |equipment.
  3. How |can|we|best|prevent |disease |considering |the |dose |of|the |microbe |and |body |resistance?: |Decrease |the |dose |and |increase |body |resistance.
  4. The |goal |of |infection |control |is:: |to |reduce |the |number |of |microbes |that |are |shared |between |individuals
  5. CDC's |Bloodborne |Pathogens |Standard |recommends |the |development |of |a |written |program |to |maintain |occupational |health |for |dental |workers |that |include |medical |conditions |and |work |restriction, |postexposure |medical |eval- |uations |and:: |immunizations
  6. Choose |the |proper |nonsurgical |hand |hygiene |procedure |when |the |hands |are |contaminated |with |blood |or |saliva.: |hand |washing |with |soap, |rinsing, |and |drying
  7. Wearing |gloves |when |working |at |chairside |protects::|the |dental |team |mem-

10 |/

  1. When |is |an |ASTM |level | 3 |facemask |to |be |used?: |For |moderate |to |heavy |amounts |of |fluid |exposure
  2. Which|of|the|following|glove|types|can|be|washed|and|reused?: |heavy|utility |gloves
  3. in|dentistry|face|masks|mainly|protect|the|mucous|membranes|of|the|nose |and |mouth |from |contamination |with |spatter |droplets |from |patients' |mouths.- : |true
  4. A. |Handwashing |is |considered |the |most |important |single |procedure |for |the |prevention |of |cross-contamination. |B. |Hands |should |be |washed |before |gloving |and |after |glove |removal.: |Statement |A |is |correct |and |statement |B |is |correct
  5. Chemicals |that |may |break |down |the |integrity |of |latex |gloves |include |all |of |the |following |exceptone.|Which |one |is |the |exception?: |Nitrile
  6. When|should|standard |precautions|be |practiced?: |At|all|times|for|all|patients
  7. Who |should |wear |protective |eyewear?: |All |dental |personnel |and |the |patient |should |wear |protective |eyewear
  8. The |bloodborne |pathogens |standard |was |designed |to:: |require |employers |to |do |certain |things |to |prevent |employees |from |being |exposed |to |human |body |fluids.
  9. The|difference|between|universal|precautions|and|standard|precautions|is

11 |/ |that |universal |precautions |relate |only |to:: |blood |and |body |fluids |containing |blood.

  1. Which |US |government |agency |helps |assure |the |safety |and |effectiveness |of |surface |disinfectants?: |EPA
  2. ASTM|levels |1,|2,|and | 3 |classifications |of |facemasks |refer |to |what |property |of |the |masks?: |Fluid |resistance
  3. When |putting |on |your |protective |barriers, |which |barrier |should |be |put |on |last |just |before |patient |care |begins?: |Gloves
  4. Gloves |should |be:: |changed |for |every |patient |and |worn |during |all |procedures |where |contact |with |blood |or |saliva |might |occur
  5. A |mask |should |be |changed:1. |when |it |becomes |moist2. |between |every |patient3. |when |it |becomes |dirty |(visibly |soiled)4. |every | 30 |minutes: |1,2,
  6. Proper |steam|sterilization|involves |placing|the|instruments |in|a |completely |closed |container |before |processing |them |through |the |sterilizer.: |false
  7. Which |of |the |following |sterilization |methods |lead |to |corrosion |(e.g.,|rust- |ing) |of |carbon |steel |instruments?: |steam
  8. choose |an|advantage |of|using|instrument |cassettes?: |It |reduces |the |risks|of |sharps |injuries |by |reducing |the |direct |handling |of |the |instruments.
  9. When |designing |a |sterilization |facility |and |purchasing |a |new |sterilizer, |one |should |look |for |clearance |of |the |desired |sterilizer |by |what |Federal |agency?: |-

13 |/

  1. Paper |bags |for |steam |sterilization |are |best |used |to |package::|lightweight |non |sharp |items
  2. Choose |the |meaning |of|a |failed|Bowie-Dick |test.: |There |may|be |places |in |the |sterilizer |chamber |that |did |not |reach |sterilizing |temperature.
  3. Spores |of |Geobacillus |stearothermophilus |are |used |in |biological |indica- |tors |to |monitor:: |steam |and |unsaturated |chemical |vapor |sterilizers.
  4. Which |bacterial |spore |is |used |to |spore |test |a |steam |sterilizer |and |the |unsaturated |chemical |vapor |sterilizer?: |Geobacillus |stearothermophilus
  5. What |is |the |main |concern/precaution |with |using |an |unsaturated |chemical |vapor |sterilizer?: |It |requires |the |purchase |and |use |of |a |special |chemical |sterilizing |solution.
  6. Why |did |the |CDC |and |the |FDA |issue |a |Health |Advisory |in | 2015 |urging |all |healthcare |facilities |to |immediately |review |current |reprocessing |practices |at |their |facility |to |ensure |they |(1) |are |complying |with |all |steps |as |directed |by |the |device |manufacturers,|and |(2) |have |in |place |appropriate |policies |and |pro- |cedures |that |are |consistent |with |current |standards |and |guidelines?: |Recent |infection |control |lapses |due |to |noncompliance |with |recommended |medical |device |reprocessing |procedures |highlighted |a |critical |gap |in |patient |safety.
  7. Why |should |ultrasonic |cleaners |or |automatic |instrument |washers |be |used

14 |/ |instead|of|routine|hand-scrubbing|to|clean|contaminated|dental|instruments?- : |Hand-scrubbing |increases |the |chances |of |sharps |injuries.

  1. Bacillus |atrophaeus |spores |are |used |to |monitor |which |of |the |following |sterilizers?: |Dry |heat |sterilizer
  2. According |to |the |CDC |how |should |critical |instruments |be |prepared |for |use?: |Heat |sterilized.
  3. According |to |the |CDC |how |should |non |heat |sensitive |semicritical |instru- |ments |be |prepared |for |use?: |Heat |sterilized.
  4. According |to |CDC |how |often |is |one |to |perform |mechanical |monitoring |of |a |sterilizer?: |every |load
  5. What |is |a |Bowie-Dick |test?: |A |test |for |air |removal |in |vacuum |and |prevacuum |steam |sterilizers.
  6. What's |the |rationale |for |the |packaging |step |as |part |of |instrument |process- |ing?: |To |help |maintain |sterility |of |the |instruments |after |instrument |processing.
  7. Why |is |it |important |to |let |instruments |packaged |in |paper/plastic |pouches, |paper |bags |or |sterilization |wrap |dry |inside |the |steam |sterilizer?: |To |minimize |tearing |of |packaging |materials |when |handling |the |sterilized |items |and |to |avoid |wicking.

16 |/

  1. There |are |two |reasons |why |packages |of |instruments |should |be |allowed |to |dry|inside |the |steam |sterilizer |before |they |are |handled. |One |reason |is |because |wet |paper |can |easily |tear |when |handled.|The |other |is |because:: |of |wicking
  2. What |is |wicking?: |the |process |that |allows |microbes |to |penetrate |wet |steriliza- |tion |paper |thus |contaminating |the |instruments |inside |the |pouches
  3. Which |of |the |following |statements |is |true |about |ultrasonic |cleaning |of |dental |instruments?: |Used |cleaning |solution |contains |live |microbes.
  4. According |to |the |CDC |how |heat |sensitive |semicritical |instruments |be |prepared |for |use?: |Processed |with |high-level |disinfection
  5. Why |is |it |important |to |dry |instruments |before |dry |heat |or |unsaturated |chemical |vapor |sterilization?: |To |maintain |the |antirusting |nature |of |these |two |methods |of |sterilization.
  6. According |to |the |CDC |low-level |disinfectants |can |be |used |on |clinical |contact|surfaces |if|they|are |EPA-registered|as |a |hospital|disinfectant|and|have |been |shown |to |kill:: |human |immunodeficiency |virus |and |hepatitis |B |virus.
  7. How |can |you |tell |if |a |disinfectant |has |been |registered |with |the |EPA?:|Its |label |displays |a |registration |number
  8. How |often |should |a |surface |cover |on |a |dental |light |handle |or |light |switch |be |replaced?: |After |every |patient

17 |/

  1. If |you |properly |use |surface |covers |on |clinical |contact |surfaces |at |chair- |side |for |each |patient, |which |of |the |following |is |not |necessary?: |clean |and |disinfect |those |surfaces |between |patients.
  2. Supplying |sterile |forceps |or |cotton |pliers |with |each |instrument |set-up |to |reach |into |containers |of |bulk |supplies |(e.g., |cotton |rolls, |or |cotton |pledgets) |is |best |referred |to |as:: |aseptic |retrieval
  3. The |spray-wipe-spray |procedure |is |a |technique |for::|disinfecting |surfaces |or |objects.
  4. What|microbe|is |not|killed|by|low-level |disinfectants |nor |intermediate-lev- |el |disinfectants?: |Bacterial |spore
  5. Which |of |the |following |germicidal |agents |is |least |desirable |as |a |surface |disinfectant?: |Alcohols
  6. Which |of |the |following |protective |barriers |are |to |be |worn |when |disinfect- |ing |a |surface?: |Utility |gloves, |mask, |protective |clothing, |protective |eyewear
  7. Which |of |the |following |surfaces |is |usually |not |involved |in |patient-to-pa- |tient |spread |of |microbes?: |sink
  8. Compare |the |potential |for |microbial |contamination |of |dental |unit |water |with |that |dental |unit |air?: |Air |contains |fewer |microbes |than |water.
  9. How |does|biofilm|in|dental|unit|waterlines|affect|the|microbial|concentra-

19 |/

  1. How |does |a |preprocedure |mouthrinse |contribute |to |infection |control?:|It |will |temporarily |reduce |the |number |of |oral |microorganisms |that |come |out |of |the |mouth |during |dental |care.
  2. Research |has |shown |that |in |one |of |five |cases, |fluids |from |the |line |may |be |retracted |back |into |the |patient's |mouth |if |the |patient |closes |his/her |lip |around |the:: |saliva |ejector.
  3. What |barriers |should |be |worn |before |changing |the |vacuum |line |trap?: |- Gloves, |masks, |protective |eyewear, |and |protective |clothing
  4. Which |of |the |following |infection |control |procedures |best |minimizes |the |patient-to-dental |team |route |of |transmission |when |patient |treatment |involves |using |of |a |high-speed |handpiece?: |The |high-volume |evacuator
  5. Which |of |the |following |will |best |reduce |the |spread |of |patient |microbes |to |environmental |surfaces?: |Touching |as |few |surfaces |as |possible.
  6. One |should|not|use|bleach|(sodium|hypochlorite)|to|flush|or |clean|out|the |vacuum |line.: |true
  7. Safe |injection |practices |recommended |by |the |CDC |include::|disinfecting |the |rubber |septum |on |a |medication |vial |with |alcohol |before |using.
  8. Why |are |two |disinfecting |towelettes |used |during |the |wipe-discard-wipe |procedure?: |The |first |one |cleans |the |surface |and |the |second |one |disinfects |the

20 |/ |surface.