HESI Dental Hygiene – Provisions questions with
verified answers
Which results will ensue if a kilovolt peak (kVp) below 65 is used when exposing
radiographs?
A. diagnostic digital image does not result
B. exposure to radiation is increased
C. focal-film distance must be increased
D. overall darker film density results Ans✓✓ -B. exposure to radiation is increased
Each of the following compounds is used to fluoridate domestic water systems
EXCEPT one. Which one is the EXCEPTION?
A. sodium fluoride
B. acidulated phosphate
C. hydrofluorosilicic acid
D. sodium silicofluoride Ans✓✓ -B. acidulated phosphate
Most dental sealants placed are self cured because this process allows for a
longer working time for the operator.
A. both statement and reason are correct but not related
B. the statement is NOT correct but the reason is correct
C. NEITHER the statement NOR the reason is correct
D. the statement is correct but the reason is NOT
E. both statement and reason are correct and related Ans✓✓ -C. NEITHER the
statement NOR the reason is correct
,In addition to bleeding, which characteristic best describes a mild case of
gingivitis?
A. pocket depths measuring 6mm
B. mobility
C. presence of fibrotic gingival tissues and cementum exposure
D. areas of pseudopocking Ans✓✓ -D. areas of pseudpocketing
Each of the following patients would benefit from prescription fluoride
supplements EXCEPT one. Which one is the EXCEPTION?
A. 16 year old male living in a community where the fluoride level in the water
supply is 0.5ppm
B. 7 month old female who receives her total dietary intake from breast milk
C. 5 year old male living in a community where the fluoride level in the water
supply is 0.2ppm
D. 33 year old female in her second trimester of pregnancy who drinks
unfluoridated water Ans✓✓ -D. 33 year old female in her second trimester of
pregnancy who drinks unfluoridated water
Each of the following is true concerning professionally applied topical fluoride in a
tray EXCEPT one. Which one is the EXCEPTION.
A. apply fluoride for 4 minutes
B. dispense 2ml of fluoride in tray
C. ask patient to rinse thoroughly following the application to prevent ingestion
D. use a saliva ejector to help hold trays in place Ans✓✓ -C. ask patient to rinse
thoroughly following the application to prevent ingestion
Which most effectively identifies plaque biofilm on tooth surfaces?
,A. study cast
B. disclosing agent
C. reading material
D. discussion with clinician Ans✓✓ -B. disclosing agent
Mobility is a risk factor for periodontal disease progression. Mobility is measured
using bidigital evaluation when teeth are not occluded.
A. both statements are false
B. both the statement is true and the second is false
C. both statements are true
D. the first statement is false and the second is true Ans✓✓ -C. both statements
are true
After taking a periapical of tooth #24 using the paralleling technique, the dental
hygienist notices the image appears elongated. How would the dental hygienist
correct this error?
A. decrease positive vertical angulation
B. decrease negative vertical angulation
C. increase positive vertical angulation
D. increase negative vertical angulation Ans✓✓ -D. increase negative vertical
angulation
A patient in her seventh month of pregnancy begins to feel nauseous during her
dental prophylaxis. Suddenly, the patient beings to sweat and starts gasping for
air. What is the patient experiencing?
A. orthostatic hypotension
, B. postprandial hypotension
C. neurally mediated hypotension
D. supine hypotensive syndrome Ans✓✓ -D. supine hypotensive syndrome
Which vaccination does OSHA require employers to offer all personnel at risk of
exposure to blood and other potentially infectious materials?
A. influenza
B. Hep B
C. rubella
D. varicella-zoster Ans✓✓ -B. Hep B
Which pathogen is transmitted via inhalation of airborne droplet nuclei?
A. Hep B
B. staphylococci aureus
C. HIV
D. mycobacterium tuberculosis Ans✓✓ -D. mycobacterium tuberculosis
The Hep B virus is transmitted through ingestion of food or water contaminated
by an infected person. The Hep A virus is transmitted through blood, blood
products or bodily fluids
A. The first statement is true and the second is false
B. the first statement is false and the second is true
C. both statements are true
D. both statements are false Ans✓✓ -D. both statements are false
verified answers
Which results will ensue if a kilovolt peak (kVp) below 65 is used when exposing
radiographs?
A. diagnostic digital image does not result
B. exposure to radiation is increased
C. focal-film distance must be increased
D. overall darker film density results Ans✓✓ -B. exposure to radiation is increased
Each of the following compounds is used to fluoridate domestic water systems
EXCEPT one. Which one is the EXCEPTION?
A. sodium fluoride
B. acidulated phosphate
C. hydrofluorosilicic acid
D. sodium silicofluoride Ans✓✓ -B. acidulated phosphate
Most dental sealants placed are self cured because this process allows for a
longer working time for the operator.
A. both statement and reason are correct but not related
B. the statement is NOT correct but the reason is correct
C. NEITHER the statement NOR the reason is correct
D. the statement is correct but the reason is NOT
E. both statement and reason are correct and related Ans✓✓ -C. NEITHER the
statement NOR the reason is correct
,In addition to bleeding, which characteristic best describes a mild case of
gingivitis?
A. pocket depths measuring 6mm
B. mobility
C. presence of fibrotic gingival tissues and cementum exposure
D. areas of pseudopocking Ans✓✓ -D. areas of pseudpocketing
Each of the following patients would benefit from prescription fluoride
supplements EXCEPT one. Which one is the EXCEPTION?
A. 16 year old male living in a community where the fluoride level in the water
supply is 0.5ppm
B. 7 month old female who receives her total dietary intake from breast milk
C. 5 year old male living in a community where the fluoride level in the water
supply is 0.2ppm
D. 33 year old female in her second trimester of pregnancy who drinks
unfluoridated water Ans✓✓ -D. 33 year old female in her second trimester of
pregnancy who drinks unfluoridated water
Each of the following is true concerning professionally applied topical fluoride in a
tray EXCEPT one. Which one is the EXCEPTION.
A. apply fluoride for 4 minutes
B. dispense 2ml of fluoride in tray
C. ask patient to rinse thoroughly following the application to prevent ingestion
D. use a saliva ejector to help hold trays in place Ans✓✓ -C. ask patient to rinse
thoroughly following the application to prevent ingestion
Which most effectively identifies plaque biofilm on tooth surfaces?
,A. study cast
B. disclosing agent
C. reading material
D. discussion with clinician Ans✓✓ -B. disclosing agent
Mobility is a risk factor for periodontal disease progression. Mobility is measured
using bidigital evaluation when teeth are not occluded.
A. both statements are false
B. both the statement is true and the second is false
C. both statements are true
D. the first statement is false and the second is true Ans✓✓ -C. both statements
are true
After taking a periapical of tooth #24 using the paralleling technique, the dental
hygienist notices the image appears elongated. How would the dental hygienist
correct this error?
A. decrease positive vertical angulation
B. decrease negative vertical angulation
C. increase positive vertical angulation
D. increase negative vertical angulation Ans✓✓ -D. increase negative vertical
angulation
A patient in her seventh month of pregnancy begins to feel nauseous during her
dental prophylaxis. Suddenly, the patient beings to sweat and starts gasping for
air. What is the patient experiencing?
A. orthostatic hypotension
, B. postprandial hypotension
C. neurally mediated hypotension
D. supine hypotensive syndrome Ans✓✓ -D. supine hypotensive syndrome
Which vaccination does OSHA require employers to offer all personnel at risk of
exposure to blood and other potentially infectious materials?
A. influenza
B. Hep B
C. rubella
D. varicella-zoster Ans✓✓ -B. Hep B
Which pathogen is transmitted via inhalation of airborne droplet nuclei?
A. Hep B
B. staphylococci aureus
C. HIV
D. mycobacterium tuberculosis Ans✓✓ -D. mycobacterium tuberculosis
The Hep B virus is transmitted through ingestion of food or water contaminated
by an infected person. The Hep A virus is transmitted through blood, blood
products or bodily fluids
A. The first statement is true and the second is false
B. the first statement is false and the second is true
C. both statements are true
D. both statements are false Ans✓✓ -D. both statements are false
