HESI DENTAL HYGIENE EXAM ACTUAL AND

HESI DENTAL HYGIENE EXAM ACTUAL AND

PRACTICE EXAM NEWEST 2024 ACTUAL EXAM 400

QUESTIONS AND CORRECT DETAILED ANSWERS

(VERIFIED ANSWERS) ALREADY GRADED A+

Which mask provides the HIGHEST barrier performance, ideal for MODERATE TO HEAVY amounts of fluid, spray and aerosols are produced?

• Level 1
• Level 2
• Level 3
• N95 - ANSWER✔✔level 3 mask

Which mask provides the lowest barrier performance, ideal for low amounts of fluid, spray and aerosols are produced?

• Level 1
• Level 2
• Level 3
• N95 - ANSWER✔✔Level 1 mask

Which mask provides the MAXIMUM barrier performance, ideal for treating patients with AIRBORNE DISEASES like TB, influenza, and COVID-19?

• Level 1
• Level 2
• Level 3

D. N95 - ANSWER✔✔N95

Which mask is deal for LIGHT TO MODERATE amounts of fluid, spray and aerosols are produced?

• Level 1
• Level 2
• Level 3
• N95 - ANSWER✔✔Level 2 mask

Which type of gloves are used during oral SURGERY procedures? 1 / 4

• Medical examination gloves
• Sterile surgeon's gloves
• Heavy-duty utility gloves - ANSWER✔✔Sterile surgeon's gloves

Which type of gloves provide LITTLE protection against sharps injuries and mostly made of NITRILE rubber?

• Medical examination gloves
• Sterile surgeon's gloves
• Heavy-duty utility gloves - ANSWER✔✔Medical examination gloves

Which type of gloves are PUNCTURE-AND CHEMICAL-RESISTANT and used when handling sharps and disinfectants?

• Medical examination gloves
• Sterile surgeon's gloves
• Heavy-duty utility gloves - ANSWER✔✔Heavy-duty utility gloves

What is the sequence for donning PPE?

• Gloves, eyewear, mask, protective clothing
• Eyewear, mask, gloves, protective clothing
• Clothing, mask, eyewear, gloves
• Eyewear, clothing, mask, gloves - ANSWER✔✔Clothing, mask, eyewear, gloves

T/F: Spatter is >50 um; Aerosols are <50um and invisible.g - ANSWER✔✔Both statements are true What is the MOST IMPORTANT behavior in prevention of disease transmission?

• Hand hygiene

B. PPE

• Medication
• Vaccinations - ANSWER✔✔Hand hygiene

How long should you wash your hands? - ANSWER✔✔20 seconds T/F: You cannot apply alcohol based hand rub after initially washing hands. - ANSWER✔✔False; you can apply alcohol after washing hands Should fingernails be long and clean or short and clean? - ANSWER✔✔Short and clean 2 / 4

What are agents used to destroy or inhibit the GROWTH OF MICROORGANISMS? - ANSWER✔✔Disinfectants Which level of disinfectants destroys bacteria, most fungi, viruses, and is registered by the EPA as

TUBERCULOCIDAL?

• High
• Intermediate
• Low - ANSWER✔✔Intermediate

Which level of disinfectants destroys bacteria, some fungi, viruses, but IS NOT tuberculocidal?

• High
• Intermediate
• Low - ANSWER✔✔Low

What level of disinfectants are DETERGENTS?

• High
• Intermediate
• Low - ANSWER✔✔low

What level of disinfectants are GLUTARALDEHYDES?

• High
• Intermediate
• Low - ANSWER✔✔High

What level of disinfectants are chlorine-containing compounds, iodophors, and phenolics?

• High
• Intermediate
• Low - ANSWER✔✔Intermediate disinfectants

Which level of disinfectants destroys ALL microorganisms, but may NOT destroy high numbers of

BACTERIAL SPORES?

• High
• Intermediate
• Low - ANSWER✔✔high

T/F: Housekeeping surfaces CANNOT be cleaned with soap and water? - ANSWER✔✔False; it can be 3 / 4

What surfaces include floors, walls, and sinks and are less likely to transmit disease?

• Clinical contact surfaces
• Housekeeping surfaces - ANSWER✔✔Housekeeping surfaces

Which surfaces can become contaminated from sprays or droplets or by touching with gloved hands (HAVE POTENTIAL to transmit disease)?

• Clinical contact surfaces
• Housekeeping surfaces - ANSWER✔✔Clinical contact surfaces

T/F: Always change barriers between patients when working with clinical contact surfaces? They can be cleaned with soap and water. - ANSWER✔✔First statement is true, second is false; must be CLEANED

AND DISINFECTED

What are examples of surface disinfectants?

• Phenolics
• Chlorines
• Iodophors
• Quaternaries
• All of above
• None of above - ANSWER✔✔All of above

Which is NOT a quality of disinfectants?

• Broad spectrum
• Fast acting (10 minutes or less)
• No offensive odor
• Reasonable cost
• Residual effect(substantively)
• Leaves residue
• compatible with equipment and surfaces

H: good penetrating and cleaning ability - ANSWER✔✔Leaves residue

T/F: The CDC recommends using alcohol, household bleach, and early generation quaternary ammonium compounds as surface disinfectant. - ANSWER✔✔False; not recommended What is the destruction of ALL LIVING organisms, including HIGHLY RESISTANT BACTERIAL SPORES - ANSWER✔✔Sterilization

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