elsevier hesi exam dental hygiene
ELSEVIER HESI EXAM DENTAL HYGIENE NEWEST 2025/2026
WITH COMPLETE 250 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
What term is defined as device that produces vibratory motions of the instrument
tip from 18,000 to 50,000 cycles per second?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler - ANSWER-scaler
What term is defined as an instrument designed to FIT into a HANDPIECE, which
uses sound waves and water to remove stains, plaque, and calculus?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler - ANSWER-insert
What term is defined as the formation and explosive collapse of microscopic
BUBBLES in a flowing liquid and REMOVES AND DISRUPTS biofilm?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
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, elsevier hesi exam dental hygiene
D. Ultrasonic scaler - ANSWER-cavitation
What term is defined as objects moving in OSCILLATORY motion and is
characterized by vigorous SWIRLING motion and currents of fluid surrounding TIP;
REMOVES/DISPRUPTS BIOFILM?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler
E. Mechanical - ANSWER-acoustic microstreaming
What term is defined as VIBRATORY action of oscillating tip that DISRUPTS
DEPOSITS?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler
E. Mechanical - ANSWER-Mechanical
Which mask provides the HIGHEST barrier performance, ideal for MODERATE TO
HEAVY amounts of fluid, spray and aerosols are produced?
A. Level 1
B. Level 2
C. Level 3
D. N95 - ANSWER-level 3 mask
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, elsevier hesi exam dental hygiene
Which mask provides the lowest barrier performance, ideal for low amounts of
fluid, spray and aerosols are produced?
A. Level 1
B. Level 2
C. Level 3
D. 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?
A. Level 1
B. Level 2
C. Level 3
D. N95 - ANSWER-N95
Which mask is deal for LIGHT TO MODERATE amounts of fluid, spray and aerosols
are produced?
A. Level 1
B. Level 2
C. Level 3
D. N95 - ANSWER-Level 2 mask
Which type of gloves are used during oral SURGERY procedures?
A. Medical examination gloves
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, elsevier hesi exam dental hygiene
B. Sterile surgeon's gloves
C. 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?
A. Medical examination gloves
B. Sterile surgeon's gloves
C. Heavy-duty utility gloves - ANSWER-Medical examination gloves
Which type of gloves are PUNCTURE-AND CHEMICAL-RESISTANT and used when
handling sharps and disinfectants?
A. Medical examination gloves
B. Sterile surgeon's gloves
C. Heavy-duty utility gloves - ANSWER-Heavy-duty utility gloves
What is the sequence for donning PPE?
A. Gloves, eyewear, mask, protective clothing
B. Eyewear, mask, gloves, protective clothing
C. Clothing, mask, eyewear, gloves
D. 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
4|Page
ELSEVIER HESI EXAM DENTAL HYGIENE NEWEST 2025/2026
WITH COMPLETE 250 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
What term is defined as device that produces vibratory motions of the instrument
tip from 18,000 to 50,000 cycles per second?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler - ANSWER-scaler
What term is defined as an instrument designed to FIT into a HANDPIECE, which
uses sound waves and water to remove stains, plaque, and calculus?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler - ANSWER-insert
What term is defined as the formation and explosive collapse of microscopic
BUBBLES in a flowing liquid and REMOVES AND DISRUPTS biofilm?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
1|Page
, elsevier hesi exam dental hygiene
D. Ultrasonic scaler - ANSWER-cavitation
What term is defined as objects moving in OSCILLATORY motion and is
characterized by vigorous SWIRLING motion and currents of fluid surrounding TIP;
REMOVES/DISPRUPTS BIOFILM?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler
E. Mechanical - ANSWER-acoustic microstreaming
What term is defined as VIBRATORY action of oscillating tip that DISRUPTS
DEPOSITS?
A. cavitation
B. acoustic microstreaming
C. Ultrasonic insert
D. Ultrasonic scaler
E. Mechanical - ANSWER-Mechanical
Which mask provides the HIGHEST barrier performance, ideal for MODERATE TO
HEAVY amounts of fluid, spray and aerosols are produced?
A. Level 1
B. Level 2
C. Level 3
D. N95 - ANSWER-level 3 mask
2|Page
, elsevier hesi exam dental hygiene
Which mask provides the lowest barrier performance, ideal for low amounts of
fluid, spray and aerosols are produced?
A. Level 1
B. Level 2
C. Level 3
D. 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?
A. Level 1
B. Level 2
C. Level 3
D. N95 - ANSWER-N95
Which mask is deal for LIGHT TO MODERATE amounts of fluid, spray and aerosols
are produced?
A. Level 1
B. Level 2
C. Level 3
D. N95 - ANSWER-Level 2 mask
Which type of gloves are used during oral SURGERY procedures?
A. Medical examination gloves
3|Page
, elsevier hesi exam dental hygiene
B. Sterile surgeon's gloves
C. 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?
A. Medical examination gloves
B. Sterile surgeon's gloves
C. Heavy-duty utility gloves - ANSWER-Medical examination gloves
Which type of gloves are PUNCTURE-AND CHEMICAL-RESISTANT and used when
handling sharps and disinfectants?
A. Medical examination gloves
B. Sterile surgeon's gloves
C. Heavy-duty utility gloves - ANSWER-Heavy-duty utility gloves
What is the sequence for donning PPE?
A. Gloves, eyewear, mask, protective clothing
B. Eyewear, mask, gloves, protective clothing
C. Clothing, mask, eyewear, gloves
D. 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
4|Page
