HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
A 17 yr old presents for a third molar evaluation. The panoramic radiograph reveals the apical thirst of
roots #1 & #2 have fused together. Which best defines this anomaly? - ansConcrescence
Concrescence is the fusion of 2 individually developed teeth with cementum only. Gemination occurs
when a single tooth bud forms tow joined teeth.
a 42 yr old patient presents to the dental office for periodontal care. The health history indicates she is
currently undergoing cancer treatment. Which is recorded other than in the patient's disease status
information? - ansPatient's appearance due to cancer
A 53 yr old patient returns to the dental office 5 weeks after non-surgical periodontal therapy for re-
evaluation. Although the tissue response is generally positive, the hygienist notes one area of localized
inflammation with bleeding on probing. Which action should the hygienist take? - ansExplore site for
residual calculus deposits or plaque retentive factors
A community fair was held to provide information to residents regarding issue related to dental health.
The dental hygienists organizing the event wanted to determine if the fair had an impact on the attendees'
dental knowledge. Attendee were asked to complete a questionnaire prior to visiting five booths and
immediately following attendance at the last booth. 93 attendees voluntarily chose to complete the
survey. The survey was a 10-item dental health knowledge questionnaire with each item worth one point.
It was administered in a pre and post test design. Questionnaire items were in a true or false format. Each
item was scored "1" of answered correctly and "0" if answered incorrectly. Items were totaled and overall
pre-test scores were compared with overall post-test scores. A statistical analysis was used to determine
the difference between the mean scores (p<.01). The pre-test results revealed a mean score of 6.4 -
ansCross-sectional
A dental hygienist is creating an oral health care program for participants at a local Women, Infants, and
Children program (WIC). The hygienist will develop a community profile to determine the WIC
participant's dental knowledge. Instruction will include toothbrushing, oral physiotherapy techniques, and
the relationship between diet and dental decay. The program will be offered for one month on days
participants pick up food vouchers. By offering instruction at the WIC site, the dental hygienist hopes to
educate caregivers and children early enough to prevent dental decay. - ansAgriculture
A dental material's resilience estimates the total elastic energy it ca absorb before deformation occurs. A
dental material
s elastic strain represents its stiffness. - ansThe first statement is true and the second is false
A patient in her second trimester of pregnancy experiences severe muring sickness. Which should the
patient do immediately after vomiting> - ansRinse mother-in-law thoroughly with a solution of baking soda
and water
A patient in her seventh mont ho pregnancy begins to feel nauseous during the dental prophylaxis.
Suddenly, the patient begins to sweat and starts grasping for air. What is the patient experiencing? -
ansSupine hypotensive syndrome
Supine hypotensive syndrome is an abrupt fall in blood pressure resulting from compression of the
inferior vena cava by the gravid uterus when the patient is in a supine position. It manifests as
bradycardia, sweating, nausea, weakness, and air hunger.
A patient presents with a short, thick lingual frenum that results in limited tongue movement affecting
speech. Which is the most likely diagnosis of this condition? - ansAnkyloglossia
,HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
A patient's buccal mucosa exhibits tiny white nodules connected by slender raised lines in a lace-like
pattern. This finding is a clinical manifestation of - anslichen plants
A patient's intramural examination reveals a well-circumscribed, raised lesion along the lateral border of
the tongue. The lesion is soft, deep purple and measures 2mm diameter. The patient believes it first
appeared after accidentally biting the tongue. Which best defines the lesion? - ansHemangioma
A patient's prescription has the abbreviation "qid" meaning? - anstake medication four times a day
A plaintiff cannot use the testimony of a specialist to establish the standard of care for a general dentist
because the courts require all dentists to properly diagnose disease. - ansBothe the statement and the
reasons are correct but NOT related.
A pregnant woman reports a freely moveable, deep red tissue mass, which extends from the labial
gingival between maxillary right premolars. The surface of the lesion is ulcerated and bleeds easily. A
histologic analysis indicates the lesion is composed of connective tissue, capillaries, and inflammatory
cells. Which best defines the lesion? - ansPyogenic granuloma
A through review of the health history and nutritional analysis indicates the patient is at an elevated risk
for developing osteoporosis. Which vitamin deficiency is associated with a loss of mineralized bone tissue
- ansvitamin D
According to the Classification System of the American Academy of Periodontology, which classification
of periodontal diseases is generalized aggressive periodontitis? - ansIII
After taking a periodical of tooth #24 using the paralleling technique, the dental hygienist notices the
image appears elongated. How would the dental hygienist correct this error? - ansIncrease negative
vertical angulation
An assessment of the patient's dentition reveals the presence of a large amalgam overhang.
Radiographic evidence confirms that nearly two-thirds of the inter-proximal embrasure space is
obstructed by amalgam. Which procedure is indicated? - ansReplacement of restoration
An orthodontist hypothesizes a relationship exists between tongue thrust swallowing and the position of
anterior teeth. He conducts a study by selecting 35 subjects who have tongue thrust swallowing and a
control group of 35 subjects without tongue-thrust swallowing. Occlusion was determines using Angle's
classification of malocclusion. The overate of those who had tongue thrust were measured and compared
with the corresponding values of the control subjects. The same orthodontist performed all
measurements. Results determines that with p < 0.05, overate measurements were significantly
increased in persons with tongue-thrust when compared to persons who did not have tongue-thrust.
Which study was conducted? - ansClinical trial
Anaerobe bacteria - ansgrow only in the absence of oxygen
At which interval of maintenance treatment, in months, does the long-term success of nonsurgical
periodontal therapy rely? - ans3 months
At which locality are x-ray photons created inside the dental X-ray tube? - ansAnode
Before January 2011, which is the optimum concentration of fluoride in parts per million in community
drinking water? - ans1
,HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
Chlorhexidine gluconate (CHG) is a wifely used chemotherapeutic rinse proven effective in reducing
plaque and gingivitis. Chlorhexidine gluconate is effective against gram-positive and gram-negative
bacteria - ansBoth statements are true
City council members are scheduled to listen to concerns of the community at a public meeting regarding
fluoride supplementation of city water. The main points of contention within the community revolve around
the issues of too much or too little fluoride in the water. In addition, several vocal antifluoridationists
declare the city government is forcing medication on them with the fluoridation. The president of the local
dental hygiene association has been asked to provide the forum with information on water fluoridation,
alternatives to fluoridation, and other community concerns.
Which level of prevention is water fluoridation? - ansPrimary
Consuming foods high in retinol will help prevent night blindness because vitamin D helps absorb
calcium. - ansBoth the statement and reason are correct but not related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help absorb calcium.
Dental needles are available in three lengths: long, short, and ultrashort. The lower the cause number of
the needle, the smaller the diameter of the lumen - ansThe first statement is true and the second is false
Dental professionals who volunteer their time and services for nonprofit are exempt from liability. Dental
professional who treat family members at no charge are giving a gift that is not subject to malpractice
action or damage award. - ansBoth statements are false
Destroyed enamel cannot reform since the cells that formed it no longer exist. Cavitated enamel can
repair itself by the incorporation of calcium and phosphate ions from saliva? - ansFirst statement is true
second statement is false
During a case presentation, which patient visual impairment requires the clinician to be positioned to the
patients side? - ansMacular degeneration
During pregnancy, when do most embryonic cleft malformations occur? - ansFirst trimester
During sealant placement, which angles in degrees, provides the greatest retention? - ans45
Each of the following are signs of moderate apprehension EXCEPT one. Which one is the EXCEPTION?
- ansDizziness
Each of the following are true concerning professionally applied topical fluoride in a tray EXCEPT one.
Which one is the EXCEPTION? - ansAsk patient to rinse thoroughly following the application to prevent
ingestion.
Each of the following can be recommended a fluoride rincse EXCEPT one. Which one is the
EXCEPTION? - ans4 yr old female with visible heavy plaque and clinical evidence of incipient caries
Each of the following compounds is used to fluoridate domestic water systems EXCEPT one. Which one
is the EXCEPTION?
A. Acidulated phosphate
B. Hydrofluorosilicic acid
C. Sodium fluoride
D. Sodium silicofluoride - ansAcidulated phosphate
, HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
Acidulated phosphate is an in-office, professional topical fluoride.
Each of the following is a calcium blocking agent EXCEPT one. Which one is the EXCEPTION? -
ansPropranolol (adrenergic blocking agent which reduces high blood pressure)
Each of the following is a component of informed consent EXCEPT one. Which one is the EXCEPTION? -
ansFinancial arrangements
Each of the following is a concept dental professionals should embrace EXCEPT one. Which one is the
EXCEPTION? - ansCompliance with self-referral
Each of the following is an antituberculin agent EXCEPT one. Which is the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - ansC. Nizoral
Each of the following medical emergencies indicates administration of oxygen EXCEPT one. Which is the
EXCEPTION? - ansHyperventilation
Each of the following patients would benefit from prescription fluoride supplements EXCEPT one. Which
one is the EXCEPTION? - ans33 yr old female in her second trimester of pregnancy who drinks
unfluoridated water.
Each of the following should be included in a dismissal letter EXCEPT one. Which one is the
EXCEPTION? - ansFinancial details and method of payment
Each oral finding is within normal limits EXCEPT one. Which one is the EXCEPTION? - ansRanula
Endotoxin is a virulence property of - ansgram-negative bacteria
Facial paralysis can result from damage to the motor neurons of which cranial nerve? - ansVII
For elective dental procedures, in which trimester should a pregnant patient be treated? - ansSecond
From which approach is the missal furcation of tooth #3 examined? - ansPalatal
How long should a minor's records be kept? - ansUntil a child reaches age of majority
How many primary and permanent teeth are typically present in an eight yr old child? - ans14 primary; 10
permanent
How many succedaneous teeth are in permanent dentition? - ans20
Impressions for athletic mouthgaurds are acquired with removable appliances in place. Athletes should
be advised to remove these appliances when participating in sports. - ansThe first statement is false and
the second is true
In addition to bleeding, which other characteristic best describes a mild case of gingivitis? - ansAreas of
pseudopocketing
In relation to disease transmission, which describes an improperly stored toothbrush? - ansFomite
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
A 17 yr old presents for a third molar evaluation. The panoramic radiograph reveals the apical thirst of
roots #1 & #2 have fused together. Which best defines this anomaly? - ansConcrescence
Concrescence is the fusion of 2 individually developed teeth with cementum only. Gemination occurs
when a single tooth bud forms tow joined teeth.
a 42 yr old patient presents to the dental office for periodontal care. The health history indicates she is
currently undergoing cancer treatment. Which is recorded other than in the patient's disease status
information? - ansPatient's appearance due to cancer
A 53 yr old patient returns to the dental office 5 weeks after non-surgical periodontal therapy for re-
evaluation. Although the tissue response is generally positive, the hygienist notes one area of localized
inflammation with bleeding on probing. Which action should the hygienist take? - ansExplore site for
residual calculus deposits or plaque retentive factors
A community fair was held to provide information to residents regarding issue related to dental health.
The dental hygienists organizing the event wanted to determine if the fair had an impact on the attendees'
dental knowledge. Attendee were asked to complete a questionnaire prior to visiting five booths and
immediately following attendance at the last booth. 93 attendees voluntarily chose to complete the
survey. The survey was a 10-item dental health knowledge questionnaire with each item worth one point.
It was administered in a pre and post test design. Questionnaire items were in a true or false format. Each
item was scored "1" of answered correctly and "0" if answered incorrectly. Items were totaled and overall
pre-test scores were compared with overall post-test scores. A statistical analysis was used to determine
the difference between the mean scores (p<.01). The pre-test results revealed a mean score of 6.4 -
ansCross-sectional
A dental hygienist is creating an oral health care program for participants at a local Women, Infants, and
Children program (WIC). The hygienist will develop a community profile to determine the WIC
participant's dental knowledge. Instruction will include toothbrushing, oral physiotherapy techniques, and
the relationship between diet and dental decay. The program will be offered for one month on days
participants pick up food vouchers. By offering instruction at the WIC site, the dental hygienist hopes to
educate caregivers and children early enough to prevent dental decay. - ansAgriculture
A dental material's resilience estimates the total elastic energy it ca absorb before deformation occurs. A
dental material
s elastic strain represents its stiffness. - ansThe first statement is true and the second is false
A patient in her second trimester of pregnancy experiences severe muring sickness. Which should the
patient do immediately after vomiting> - ansRinse mother-in-law thoroughly with a solution of baking soda
and water
A patient in her seventh mont ho pregnancy begins to feel nauseous during the dental prophylaxis.
Suddenly, the patient begins to sweat and starts grasping for air. What is the patient experiencing? -
ansSupine hypotensive syndrome
Supine hypotensive syndrome is an abrupt fall in blood pressure resulting from compression of the
inferior vena cava by the gravid uterus when the patient is in a supine position. It manifests as
bradycardia, sweating, nausea, weakness, and air hunger.
A patient presents with a short, thick lingual frenum that results in limited tongue movement affecting
speech. Which is the most likely diagnosis of this condition? - ansAnkyloglossia
,HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
A patient's buccal mucosa exhibits tiny white nodules connected by slender raised lines in a lace-like
pattern. This finding is a clinical manifestation of - anslichen plants
A patient's intramural examination reveals a well-circumscribed, raised lesion along the lateral border of
the tongue. The lesion is soft, deep purple and measures 2mm diameter. The patient believes it first
appeared after accidentally biting the tongue. Which best defines the lesion? - ansHemangioma
A patient's prescription has the abbreviation "qid" meaning? - anstake medication four times a day
A plaintiff cannot use the testimony of a specialist to establish the standard of care for a general dentist
because the courts require all dentists to properly diagnose disease. - ansBothe the statement and the
reasons are correct but NOT related.
A pregnant woman reports a freely moveable, deep red tissue mass, which extends from the labial
gingival between maxillary right premolars. The surface of the lesion is ulcerated and bleeds easily. A
histologic analysis indicates the lesion is composed of connective tissue, capillaries, and inflammatory
cells. Which best defines the lesion? - ansPyogenic granuloma
A through review of the health history and nutritional analysis indicates the patient is at an elevated risk
for developing osteoporosis. Which vitamin deficiency is associated with a loss of mineralized bone tissue
- ansvitamin D
According to the Classification System of the American Academy of Periodontology, which classification
of periodontal diseases is generalized aggressive periodontitis? - ansIII
After taking a periodical of tooth #24 using the paralleling technique, the dental hygienist notices the
image appears elongated. How would the dental hygienist correct this error? - ansIncrease negative
vertical angulation
An assessment of the patient's dentition reveals the presence of a large amalgam overhang.
Radiographic evidence confirms that nearly two-thirds of the inter-proximal embrasure space is
obstructed by amalgam. Which procedure is indicated? - ansReplacement of restoration
An orthodontist hypothesizes a relationship exists between tongue thrust swallowing and the position of
anterior teeth. He conducts a study by selecting 35 subjects who have tongue thrust swallowing and a
control group of 35 subjects without tongue-thrust swallowing. Occlusion was determines using Angle's
classification of malocclusion. The overate of those who had tongue thrust were measured and compared
with the corresponding values of the control subjects. The same orthodontist performed all
measurements. Results determines that with p < 0.05, overate measurements were significantly
increased in persons with tongue-thrust when compared to persons who did not have tongue-thrust.
Which study was conducted? - ansClinical trial
Anaerobe bacteria - ansgrow only in the absence of oxygen
At which interval of maintenance treatment, in months, does the long-term success of nonsurgical
periodontal therapy rely? - ans3 months
At which locality are x-ray photons created inside the dental X-ray tube? - ansAnode
Before January 2011, which is the optimum concentration of fluoride in parts per million in community
drinking water? - ans1
,HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
Chlorhexidine gluconate (CHG) is a wifely used chemotherapeutic rinse proven effective in reducing
plaque and gingivitis. Chlorhexidine gluconate is effective against gram-positive and gram-negative
bacteria - ansBoth statements are true
City council members are scheduled to listen to concerns of the community at a public meeting regarding
fluoride supplementation of city water. The main points of contention within the community revolve around
the issues of too much or too little fluoride in the water. In addition, several vocal antifluoridationists
declare the city government is forcing medication on them with the fluoridation. The president of the local
dental hygiene association has been asked to provide the forum with information on water fluoridation,
alternatives to fluoridation, and other community concerns.
Which level of prevention is water fluoridation? - ansPrimary
Consuming foods high in retinol will help prevent night blindness because vitamin D helps absorb
calcium. - ansBoth the statement and reason are correct but not related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help absorb calcium.
Dental needles are available in three lengths: long, short, and ultrashort. The lower the cause number of
the needle, the smaller the diameter of the lumen - ansThe first statement is true and the second is false
Dental professionals who volunteer their time and services for nonprofit are exempt from liability. Dental
professional who treat family members at no charge are giving a gift that is not subject to malpractice
action or damage award. - ansBoth statements are false
Destroyed enamel cannot reform since the cells that formed it no longer exist. Cavitated enamel can
repair itself by the incorporation of calcium and phosphate ions from saliva? - ansFirst statement is true
second statement is false
During a case presentation, which patient visual impairment requires the clinician to be positioned to the
patients side? - ansMacular degeneration
During pregnancy, when do most embryonic cleft malformations occur? - ansFirst trimester
During sealant placement, which angles in degrees, provides the greatest retention? - ans45
Each of the following are signs of moderate apprehension EXCEPT one. Which one is the EXCEPTION?
- ansDizziness
Each of the following are true concerning professionally applied topical fluoride in a tray EXCEPT one.
Which one is the EXCEPTION? - ansAsk patient to rinse thoroughly following the application to prevent
ingestion.
Each of the following can be recommended a fluoride rincse EXCEPT one. Which one is the
EXCEPTION? - ans4 yr old female with visible heavy plaque and clinical evidence of incipient caries
Each of the following compounds is used to fluoridate domestic water systems EXCEPT one. Which one
is the EXCEPTION?
A. Acidulated phosphate
B. Hydrofluorosilicic acid
C. Sodium fluoride
D. Sodium silicofluoride - ansAcidulated phosphate
, HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS 2023-2024/DENTAL HYGIENE HESI EXAM
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY GRADED A+)
Acidulated phosphate is an in-office, professional topical fluoride.
Each of the following is a calcium blocking agent EXCEPT one. Which one is the EXCEPTION? -
ansPropranolol (adrenergic blocking agent which reduces high blood pressure)
Each of the following is a component of informed consent EXCEPT one. Which one is the EXCEPTION? -
ansFinancial arrangements
Each of the following is a concept dental professionals should embrace EXCEPT one. Which one is the
EXCEPTION? - ansCompliance with self-referral
Each of the following is an antituberculin agent EXCEPT one. Which is the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - ansC. Nizoral
Each of the following medical emergencies indicates administration of oxygen EXCEPT one. Which is the
EXCEPTION? - ansHyperventilation
Each of the following patients would benefit from prescription fluoride supplements EXCEPT one. Which
one is the EXCEPTION? - ans33 yr old female in her second trimester of pregnancy who drinks
unfluoridated water.
Each of the following should be included in a dismissal letter EXCEPT one. Which one is the
EXCEPTION? - ansFinancial details and method of payment
Each oral finding is within normal limits EXCEPT one. Which one is the EXCEPTION? - ansRanula
Endotoxin is a virulence property of - ansgram-negative bacteria
Facial paralysis can result from damage to the motor neurons of which cranial nerve? - ansVII
For elective dental procedures, in which trimester should a pregnant patient be treated? - ansSecond
From which approach is the missal furcation of tooth #3 examined? - ansPalatal
How long should a minor's records be kept? - ansUntil a child reaches age of majority
How many primary and permanent teeth are typically present in an eight yr old child? - ans14 primary; 10
permanent
How many succedaneous teeth are in permanent dentition? - ans20
Impressions for athletic mouthgaurds are acquired with removable appliances in place. Athletes should
be advised to remove these appliances when participating in sports. - ansThe first statement is false and
the second is true
In addition to bleeding, which other characteristic best describes a mild case of gingivitis? - ansAreas of
pseudopocketing
In relation to disease transmission, which describes an improperly stored toothbrush? - ansFomite
