HESI Dental Hygiene Case-Based Practice
Test 1 UPDATED ACTUAL Questions and
CORRECT Answers
Which bacteria are predominately found close to the pulp in the carious lesion on tooth #14?
A. Fusobacterium
B. lactobacillus
C. Actinomyces viscosus
D. Streptococcus mutans - CORRECT ANSWER -B. lactobacillus
What clinical characteristic indicated the presence of subgingival calculus?
A. presence of supgragingival calculus
B. blusish-red marginal gingiva
C. presence of diastemas
D. attachment loss - CORRECT ANSWER -B. blusish-red marginal gingiva
Radiographically, what is the radiopaque structure posterior to #31?
A. mandibular canal
B. external oblique ridge
C. retromolar pad
D. internal oblique ridge - CORRECT ANSWER -D. internal oblique ridge
Which explains the distobuccal probing depths on tooth #13?
A. periodontal disease
B. presence of radicular calculus
C. keratinized tissue associated with tobacco use
D. gingival enlargement - CORRECT ANSWER -B. presence of radicular calculus
,The patient is scheduled to have tooth #14 extracted. Which prophylactic oral antibiotic drug regimen
should be prescribed for this procedure?
A. amoxicillin 2000mg one hour prior
B. amoxicillin 2000mg one hour before and after
C. Cephalexin 2 grams one hour before and after
D. cephalexin 2 grams one hour before - CORRECT ANSWER -A. amoxicillin 2000mg one hour
prior
If necessary, which nonopiod analgesic can be recommend for the patient to take after the extraction?
A. ibuprofen
B. acetaminophen
C. naproxen
D. aspirin - CORRECT ANSWER -B. acetaminophen
The dental hygienist plans to debride the patient's dentition used a mangetostrictive ultrasonic scaled.
Which motion and sides are active with the scaler tip?
A. linear with all sides
B. linear with lateral sides
C. elliptical with lateral sides
D. elliptical with all sides - CORRECT ANSWER -D. elliptical with all sides
The palate appears keratotic with interspersed red spots. What does this clinical appearance most likely
represent?
A. recurrent aphthous ulcers
B. nicotine stomatitis
C. materia alba
D. hand, foot and mouth disease - CORRECT ANSWER -B. nicotine stomatitis
The carious lesion on tooth #14 has penetrated each of the following tooth structures EXCEPT one.
Which one is the EXCEPTION?
,A. enamel
B. pulp
C. cementum
D. dentin - CORRECT ANSWER -B. pulp
Which agent was tooth #30 most likely treated with before the restoration was placed?
A. Base
B. linear
C. varnish
D. sealer - CORRECT ANSWER -A. Base
The patient experiences acut pain during periodontal debridement of #12, necessitating supraperiosteal
anesthesia. Which volume of anesthetic solution, in millimeters, should be administered?
A. 0.2 to 0.4
B. 0.4 to 0.9
C. 1.2 to 1.5
D. 0.9 to 1.2 - CORRECT ANSWER -B. 0.4 to 0.9
The recession for all three surfaces on the lingual of #13 is 1mm. Which clinical attachment loss, in
millimeters (mm), for the mesiolingual aspect of #13.
A. 4
B. 7
C. 5
D. 6 - CORRECT ANSWER -B. 7
The loss of enamel on tooth #6 is permanent because ameloblasts recede to the dentinoenamel junction
upon eruption.
A. the statement is not correct, but the reason is correct.
B. Both the statement and reason are correct and related.
, C. the statement is correct, but the reason is not.
D. Neither the statement nor the reason is correct.
E. Both the statement and the reason are correct, but not related. - CORRECT ANSWER -C. the
statement is correct, but the reason is not.
Which clinical condition is present in all anterior teeth?
A. Abrasion
B. extrusion
C. erosion
D. attrition - CORRECT ANSWER -D. attrition
Once the patient has completed the tobacco assessment survey, what should be assessed next?
A. Gather educational materials to share with patient
B. discuss medical side effects of tobacco use
C. confer barriers to quitting
D. evaluate patients willingness to quit - CORRECT ANSWER -D. evaluate patients willingness to
quit
CASE TWO - CORRECT ANSWER -
Which is the most logical reason for obliteration of the pulp cavities?
A. wearing a palatal denture
B. age of the patient
C. presence of recession
D. trauma - CORRECT ANSWER -B. age of the patient
The patient presents with each of the following conditions EXCEPT one. Which one is the exception?
A. diabetes
B. thyroid hypofunction
Test 1 UPDATED ACTUAL Questions and
CORRECT Answers
Which bacteria are predominately found close to the pulp in the carious lesion on tooth #14?
A. Fusobacterium
B. lactobacillus
C. Actinomyces viscosus
D. Streptococcus mutans - CORRECT ANSWER -B. lactobacillus
What clinical characteristic indicated the presence of subgingival calculus?
A. presence of supgragingival calculus
B. blusish-red marginal gingiva
C. presence of diastemas
D. attachment loss - CORRECT ANSWER -B. blusish-red marginal gingiva
Radiographically, what is the radiopaque structure posterior to #31?
A. mandibular canal
B. external oblique ridge
C. retromolar pad
D. internal oblique ridge - CORRECT ANSWER -D. internal oblique ridge
Which explains the distobuccal probing depths on tooth #13?
A. periodontal disease
B. presence of radicular calculus
C. keratinized tissue associated with tobacco use
D. gingival enlargement - CORRECT ANSWER -B. presence of radicular calculus
,The patient is scheduled to have tooth #14 extracted. Which prophylactic oral antibiotic drug regimen
should be prescribed for this procedure?
A. amoxicillin 2000mg one hour prior
B. amoxicillin 2000mg one hour before and after
C. Cephalexin 2 grams one hour before and after
D. cephalexin 2 grams one hour before - CORRECT ANSWER -A. amoxicillin 2000mg one hour
prior
If necessary, which nonopiod analgesic can be recommend for the patient to take after the extraction?
A. ibuprofen
B. acetaminophen
C. naproxen
D. aspirin - CORRECT ANSWER -B. acetaminophen
The dental hygienist plans to debride the patient's dentition used a mangetostrictive ultrasonic scaled.
Which motion and sides are active with the scaler tip?
A. linear with all sides
B. linear with lateral sides
C. elliptical with lateral sides
D. elliptical with all sides - CORRECT ANSWER -D. elliptical with all sides
The palate appears keratotic with interspersed red spots. What does this clinical appearance most likely
represent?
A. recurrent aphthous ulcers
B. nicotine stomatitis
C. materia alba
D. hand, foot and mouth disease - CORRECT ANSWER -B. nicotine stomatitis
The carious lesion on tooth #14 has penetrated each of the following tooth structures EXCEPT one.
Which one is the EXCEPTION?
,A. enamel
B. pulp
C. cementum
D. dentin - CORRECT ANSWER -B. pulp
Which agent was tooth #30 most likely treated with before the restoration was placed?
A. Base
B. linear
C. varnish
D. sealer - CORRECT ANSWER -A. Base
The patient experiences acut pain during periodontal debridement of #12, necessitating supraperiosteal
anesthesia. Which volume of anesthetic solution, in millimeters, should be administered?
A. 0.2 to 0.4
B. 0.4 to 0.9
C. 1.2 to 1.5
D. 0.9 to 1.2 - CORRECT ANSWER -B. 0.4 to 0.9
The recession for all three surfaces on the lingual of #13 is 1mm. Which clinical attachment loss, in
millimeters (mm), for the mesiolingual aspect of #13.
A. 4
B. 7
C. 5
D. 6 - CORRECT ANSWER -B. 7
The loss of enamel on tooth #6 is permanent because ameloblasts recede to the dentinoenamel junction
upon eruption.
A. the statement is not correct, but the reason is correct.
B. Both the statement and reason are correct and related.
, C. the statement is correct, but the reason is not.
D. Neither the statement nor the reason is correct.
E. Both the statement and the reason are correct, but not related. - CORRECT ANSWER -C. the
statement is correct, but the reason is not.
Which clinical condition is present in all anterior teeth?
A. Abrasion
B. extrusion
C. erosion
D. attrition - CORRECT ANSWER -D. attrition
Once the patient has completed the tobacco assessment survey, what should be assessed next?
A. Gather educational materials to share with patient
B. discuss medical side effects of tobacco use
C. confer barriers to quitting
D. evaluate patients willingness to quit - CORRECT ANSWER -D. evaluate patients willingness to
quit
CASE TWO - CORRECT ANSWER -
Which is the most logical reason for obliteration of the pulp cavities?
A. wearing a palatal denture
B. age of the patient
C. presence of recession
D. trauma - CORRECT ANSWER -B. age of the patient
The patient presents with each of the following conditions EXCEPT one. Which one is the exception?
A. diabetes
B. thyroid hypofunction
