HESI Dental Hygiene Case-Based Practice Test 1 – Complete Questions & Verified Answers Page 1 2026-03-13
HESI Dental Hygiene
Case-Based Practice Test 1 –
Complete Questions &
Verified Answers
Guidehttps://www.stuvia.com/dashboard!@_)#*)(@$)($@*($@)($@*_ 1
Page 1 of 63 HESI Dental Hygiene Case-Based Practice Test 1 – Complete Questions & Verified Answers.pdf
,HESI Dental Hygiene Case-Based Practice Test 1 Page 2 2026-03-13
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
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
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
D. internal oblique ridge
Page 2 of 63 2 HESI Dental Hygiene Case-Based Practice Test 1.pdf
,HESI Dental Hygiene Case-Based Practice Test 1 Page 3 2026-03-13
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
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
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
B. acetaminophen
Page 3 of 63 3 HESI Dental Hygiene Case-Based Practice Test 1.pdf
, HESI Dental Hygiene Case-Based Practice Test 1 Page 4 2026-03-13
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
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
B. nicotine stomatitis
Page 4 of 63 4 HESI Dental Hygiene Case-Based Practice Test 1.pdf
HESI Dental Hygiene
Case-Based Practice Test 1 –
Complete Questions &
Verified Answers
Guidehttps://www.stuvia.com/dashboard!@_)#*)(@$)($@*($@)($@*_ 1
Page 1 of 63 HESI Dental Hygiene Case-Based Practice Test 1 – Complete Questions & Verified Answers.pdf
,HESI Dental Hygiene Case-Based Practice Test 1 Page 2 2026-03-13
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
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
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
D. internal oblique ridge
Page 2 of 63 2 HESI Dental Hygiene Case-Based Practice Test 1.pdf
,HESI Dental Hygiene Case-Based Practice Test 1 Page 3 2026-03-13
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
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
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
B. acetaminophen
Page 3 of 63 3 HESI Dental Hygiene Case-Based Practice Test 1.pdf
, HESI Dental Hygiene Case-Based Practice Test 1 Page 4 2026-03-13
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
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
B. nicotine stomatitis
Page 4 of 63 4 HESI Dental Hygiene Case-Based Practice Test 1.pdf
