Health, HESI Dental Hygiene Practice Test -
Classic Version 1 UPDATED ACTUAL
Questions and CORRECT Answers
Which results will ensue if a kilovolt peak (kVp) below 65 is used when exposing radiographs?
A. overall darker film density results
B. focal-film distance must be increased
C. exposure to radiation is increased
D. diagnostic digital image does not result - CORRECT ANSWER -C
Each of the following compounds is used to fluoridate domestic water systems EXCEPT one. Which one
is the EXCEPTION?
A. Sodium fluoride
B. Hydrofluorosilicic acid
C. acidulated phosphate
D. sodium silicofluoride - CORRECT ANSWER -C
Most dental sealants placed are self cured because this process allows for a longer working time for the
operator.
A. NEITHER the statement NOR the reason is correct
B. both the statement and reason are correct, but not related
C. The statement is NOT correct, but the reason is correct
D. Both the statement and reason are correct and related
E. the statement is correct, but the reason is NOT. - CORRECT ANSWER -A
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 0.5 ppm.
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 0.2 ppm.
D. 33-year-old female in her second trimester of pregnancy who drinks unfluoridated water. - CORRECT
ANSWER -D
In addition to bleeding, which other characteristic best describes a mild case of gingivitis?
A. Mobility.
B. Pocket depths measuring 6mm.
C. Areas of pseudopocking.
D. Presence of fibrotic gingival tissues and cementum exposure. - CORRECT ANSWER -C
Each of the following is true concerning professionally applied topical fluoride in a tray EXCEPT one.
Which one is the EXCEPTION?
A. Ask patient to rinse thoroughly following the application to prevent ingestion.
B. Apply fluoride for 4 minutes.
C. Dispense 2 ml of fluoride in tray.
D. Use saliva ejector to help hold trays in place. - CORRECT ANSWER -A
Which most effectively identifies plaque biofilm on tooth surfaces?
A Study cast.
B Reading materials.
C Discussion with clinician.
D Disclosing agent. - CORRECT ANSWER -D
Mobility is a risk factor for periodontal disease progression. Mobility is measured using bidigital
evaluation when teeth are not occluded.
A The first statement is false and the second is true.
B Both statements are false. Incorrect
C Both statements are true.
D The first statement is true and the second is false. - CORRECT ANSWER -C
,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 Increase positive vertical angulation.
B Decrease negative vertical angulation.
C Increase negative vertical angulation.
D Decrease positive vertical angulation. - CORRECT ANSWER -C
A patient in her seventh month of pregnancy begins to feel nauseous during the dental prophylaxis.
Suddenly, the patient begins to sweat and starts gasping for air. What is the patient experiencing?
A Postprandial hypotension.
B Supine hypotensive syndrome.
C Neurally mediated hypotension.
D Orthostatic hypotension. - CORRECT ANSWER -B
Which vaccination does the Occupational Safety and Health Administration (OSHA) requires employers
to offer all personnel at risk of exposure to blood and other potentially infectious materials?
A Hepatitis B.
B Influenza.
C Varicella-zoster.
D Rubella. - CORRECT ANSWER -A
The Hepatitis B virus (HBV) is transmitted through ingestion of foods or water contaminated by an
infected person. The Hepatitis A virus (HAV) virus is transmitted through blood, blood products, or body
fluids.
A Both statements are true.
B The first statement is true and the second is false.
C The first statement is false and the second is true.
D Both statements are false. - CORRECT ANSWER -D
, Which pathogen is transmitted via inhalation of airborne droplet nuclei?
A Staphylococci aureus.
B Hepatitis B.
C Mycobacterium tuberculosis.
D Human immunodeficiency virus. - CORRECT ANSWER -C
Each of the following medical emergencies indicates administration of oxygen EXCEPT one. Which one
is the EXCEPTION?
A Syncope.
B Postural hypotension.
C Hyperventilation.
D Angina pectoris. - CORRECT ANSWER -C
Which sound results from a bronchospasm that occurs during an asthmatic attack?
A Crackling.
B Rattling.
C Bubbling.
D Wheezing. - CORRECT ANSWER -D
Which oral physiotherapy is indicated for a patient with type I embrasures?
A Toothpick holder.
B Dental floss.
C Wooden wedge.
D Interproximal brush. - CORRECT ANSWER -B
The exaggerated inflammatory response of gingival tissues to local irritants that can occur during
pregnancy is commonly known as pregnancy gingivitis. This exaggerated response of gingival tissues is
due to an increase in the systemic level of the hormone testosterone.
Classic Version 1 UPDATED ACTUAL
Questions and CORRECT Answers
Which results will ensue if a kilovolt peak (kVp) below 65 is used when exposing radiographs?
A. overall darker film density results
B. focal-film distance must be increased
C. exposure to radiation is increased
D. diagnostic digital image does not result - CORRECT ANSWER -C
Each of the following compounds is used to fluoridate domestic water systems EXCEPT one. Which one
is the EXCEPTION?
A. Sodium fluoride
B. Hydrofluorosilicic acid
C. acidulated phosphate
D. sodium silicofluoride - CORRECT ANSWER -C
Most dental sealants placed are self cured because this process allows for a longer working time for the
operator.
A. NEITHER the statement NOR the reason is correct
B. both the statement and reason are correct, but not related
C. The statement is NOT correct, but the reason is correct
D. Both the statement and reason are correct and related
E. the statement is correct, but the reason is NOT. - CORRECT ANSWER -A
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 0.5 ppm.
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 0.2 ppm.
D. 33-year-old female in her second trimester of pregnancy who drinks unfluoridated water. - CORRECT
ANSWER -D
In addition to bleeding, which other characteristic best describes a mild case of gingivitis?
A. Mobility.
B. Pocket depths measuring 6mm.
C. Areas of pseudopocking.
D. Presence of fibrotic gingival tissues and cementum exposure. - CORRECT ANSWER -C
Each of the following is true concerning professionally applied topical fluoride in a tray EXCEPT one.
Which one is the EXCEPTION?
A. Ask patient to rinse thoroughly following the application to prevent ingestion.
B. Apply fluoride for 4 minutes.
C. Dispense 2 ml of fluoride in tray.
D. Use saliva ejector to help hold trays in place. - CORRECT ANSWER -A
Which most effectively identifies plaque biofilm on tooth surfaces?
A Study cast.
B Reading materials.
C Discussion with clinician.
D Disclosing agent. - CORRECT ANSWER -D
Mobility is a risk factor for periodontal disease progression. Mobility is measured using bidigital
evaluation when teeth are not occluded.
A The first statement is false and the second is true.
B Both statements are false. Incorrect
C Both statements are true.
D The first statement is true and the second is false. - CORRECT ANSWER -C
,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 Increase positive vertical angulation.
B Decrease negative vertical angulation.
C Increase negative vertical angulation.
D Decrease positive vertical angulation. - CORRECT ANSWER -C
A patient in her seventh month of pregnancy begins to feel nauseous during the dental prophylaxis.
Suddenly, the patient begins to sweat and starts gasping for air. What is the patient experiencing?
A Postprandial hypotension.
B Supine hypotensive syndrome.
C Neurally mediated hypotension.
D Orthostatic hypotension. - CORRECT ANSWER -B
Which vaccination does the Occupational Safety and Health Administration (OSHA) requires employers
to offer all personnel at risk of exposure to blood and other potentially infectious materials?
A Hepatitis B.
B Influenza.
C Varicella-zoster.
D Rubella. - CORRECT ANSWER -A
The Hepatitis B virus (HBV) is transmitted through ingestion of foods or water contaminated by an
infected person. The Hepatitis A virus (HAV) virus is transmitted through blood, blood products, or body
fluids.
A Both statements are true.
B The first statement is true and the second is false.
C The first statement is false and the second is true.
D Both statements are false. - CORRECT ANSWER -D
, Which pathogen is transmitted via inhalation of airborne droplet nuclei?
A Staphylococci aureus.
B Hepatitis B.
C Mycobacterium tuberculosis.
D Human immunodeficiency virus. - CORRECT ANSWER -C
Each of the following medical emergencies indicates administration of oxygen EXCEPT one. Which one
is the EXCEPTION?
A Syncope.
B Postural hypotension.
C Hyperventilation.
D Angina pectoris. - CORRECT ANSWER -C
Which sound results from a bronchospasm that occurs during an asthmatic attack?
A Crackling.
B Rattling.
C Bubbling.
D Wheezing. - CORRECT ANSWER -D
Which oral physiotherapy is indicated for a patient with type I embrasures?
A Toothpick holder.
B Dental floss.
C Wooden wedge.
D Interproximal brush. - CORRECT ANSWER -B
The exaggerated inflammatory response of gingival tissues to local irritants that can occur during
pregnancy is commonly known as pregnancy gingivitis. This exaggerated response of gingival tissues is
due to an increase in the systemic level of the hormone testosterone.
