HESI DENTAL HYGIENE EXAM 2 PRACTICE EXAM
QUESTIONS WITH VERIFIED SOLUTIONS
CURRENTLY TESTED AND GRADED A+ 2026
LATEST
The junction of a buccal and lingual triangular ridge is a transverse ridge. The
oblique ridge of a maxillary molar is an example of a transverse ridge. --
CORRECT ANSWER--The first statement is true and the second is false
How many primary and permanent teeth are typically present in an eight yr old
child? --CORRECT ANSWER--14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? --CORRECT
ANSWER--line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? --CORRECT ANSWER--IV
Which ridge is a unique characteristic of permanent maxillary molars? --
CORRECT ANSWER--Oblique
Page 1 of 63
,Which division of the fifth cranial nerve innervates the temporomandibular
joint? --CORRECT ANSWER--Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? --CORRECT ANSWER--VII
Which is the target area for the inferior alveolar nerve block? --CORRECT
ANSWER--mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? --CORRECT ANSWER--Sublingual
Which type of joint is the temporomandibular? --CORRECT ANSWER--
Synovial
Which peripheral nervous system and subdivision are responsible for a
shutdown of salivary gland secretion? --CORRECT ANSWER--autonomic;
sympathetic
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? --CORRECT ANSWER--First statement is true
second statement is false
Page 2 of 63
,Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? --CORRECT ANSWER--Plaque-Induced Gingival
diseases modified by systemic factors
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? --CORRECT ANSWER--Ankyloglossia
When is tooth eruption complete? --CORRECT ANSWER--Tooth has made
contact with its antagonists in opposing jaw
When does mixed dentition begin? --CORRECT ANSWER--Eruption of first
permanent tooth
How many succedaneous teeth are in permanent dentition? --CORRECT
ANSWER--20
Which bacterium is most important in causing the progression of carious
lesions? --CORRECT ANSWER--Aciduric
Anaerobe bacteria --CORRECT ANSWER--grow only in the absence of
oxygen
Page 3 of 63
, Which bacterial structure interferes with phagocytosis? --CORRECT
ANSWER--capsule
Which bacteria grow best in refrigerated conditions? --CORRECT ANSWER--
Psychrophils
Endotoxin is a virulence property of --CORRECT ANSWER--gram-negative
bacteria
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin --CORRECT ANSWER--C. Nizoral
When comparing viruses to bacteria, viruses --CORRECT ANSWER--enter
host cells before they can multiply
Which is treated with nystatin? --CORRECT ANSWER--Candidiasis
Page 4 of 63
QUESTIONS WITH VERIFIED SOLUTIONS
CURRENTLY TESTED AND GRADED A+ 2026
LATEST
The junction of a buccal and lingual triangular ridge is a transverse ridge. The
oblique ridge of a maxillary molar is an example of a transverse ridge. --
CORRECT ANSWER--The first statement is true and the second is false
How many primary and permanent teeth are typically present in an eight yr old
child? --CORRECT ANSWER--14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? --CORRECT
ANSWER--line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? --CORRECT ANSWER--IV
Which ridge is a unique characteristic of permanent maxillary molars? --
CORRECT ANSWER--Oblique
Page 1 of 63
,Which division of the fifth cranial nerve innervates the temporomandibular
joint? --CORRECT ANSWER--Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? --CORRECT ANSWER--VII
Which is the target area for the inferior alveolar nerve block? --CORRECT
ANSWER--mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? --CORRECT ANSWER--Sublingual
Which type of joint is the temporomandibular? --CORRECT ANSWER--
Synovial
Which peripheral nervous system and subdivision are responsible for a
shutdown of salivary gland secretion? --CORRECT ANSWER--autonomic;
sympathetic
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? --CORRECT ANSWER--First statement is true
second statement is false
Page 2 of 63
,Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? --CORRECT ANSWER--Plaque-Induced Gingival
diseases modified by systemic factors
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? --CORRECT ANSWER--Ankyloglossia
When is tooth eruption complete? --CORRECT ANSWER--Tooth has made
contact with its antagonists in opposing jaw
When does mixed dentition begin? --CORRECT ANSWER--Eruption of first
permanent tooth
How many succedaneous teeth are in permanent dentition? --CORRECT
ANSWER--20
Which bacterium is most important in causing the progression of carious
lesions? --CORRECT ANSWER--Aciduric
Anaerobe bacteria --CORRECT ANSWER--grow only in the absence of
oxygen
Page 3 of 63
, Which bacterial structure interferes with phagocytosis? --CORRECT
ANSWER--capsule
Which bacteria grow best in refrigerated conditions? --CORRECT ANSWER--
Psychrophils
Endotoxin is a virulence property of --CORRECT ANSWER--gram-negative
bacteria
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin --CORRECT ANSWER--C. Nizoral
When comparing viruses to bacteria, viruses --CORRECT ANSWER--enter
host cells before they can multiply
Which is treated with nystatin? --CORRECT ANSWER--Candidiasis
Page 4 of 63
