1
HESI DENTAL HYGIENE EXAM 2025 | ALL QUESTIONS
AND CORRECT ANSWERS | ALREADY GRADED A+ |
LATEST EXAM | VERIFIED ANSWERS | JUST RELEASED
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? - ..(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? -
..(ANSWER)...Ankyloglossia
When is tooth eruption complete? - ..(ANSWER)...Tooth has made contact with its
antagonists in opposing jaw
When does mixed dentition begin? - ..(ANSWER)...Eruption of first permanent
tooth
How many succedaneous teeth are in permanent dentition? - ..(ANSWER)...20
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. -
..(ANSWER)...The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? -
..(ANSWER)...reduced permeability
, 2
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar? - ..(ANSWER)...Distolingual
Which is true regarding the height of contour? - ..(ANSWER)...Greatest elevation
of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an eight yr old
child? - ..(ANSWER)...14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? - ..(ANSWER)...line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? - ..(ANSWER)...IV
Which ridge is a unique characteristic of permanent maxillary molars? -
..(ANSWER)...Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint?
- ..(ANSWER)...Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? - ..(ANSWER)...VII
, 3
Which is the target area for the inferior alveolar nerve block? -
..(ANSWER)...mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? - ..(ANSWER)...Sublingual
Which type of joint is the temporomandibular? - ..(ANSWER)...Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion? - ..(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? - ..(ANSWER)...First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions?
- ..(ANSWER)...Aciduric
Anaerobe bacteria - ..(ANSWER)...grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? - ..(ANSWER)...capsule
Which bacteria grow best in refrigerated conditions? - ..(ANSWER)...Psychrophils
, 4
Endotoxin is a virulence property of - ..(ANSWER)...gram-negative bacteria
When comparing viruses to bacteria, viruses - ..(ANSWER)...enter host cells before
they can multiply
Which is treated with nystatin? - ..(ANSWER)...Candidiasis
Which is detected in the blood within two months after successful immunization
with the hepatitis B vaccine? - ..(ANSWER)...Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in
examination gloves? - ..(ANSWER)...I
Which bacterial genus contains species that cause pneumatic fever, scarlet fever,
and pharyngitis? - ..(ANSWER)...Streptococcus
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - ..(ANSWER)...C. Nizoral
HESI DENTAL HYGIENE EXAM 2025 | ALL QUESTIONS
AND CORRECT ANSWERS | ALREADY GRADED A+ |
LATEST EXAM | VERIFIED ANSWERS | JUST RELEASED
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? - ..(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? -
..(ANSWER)...Ankyloglossia
When is tooth eruption complete? - ..(ANSWER)...Tooth has made contact with its
antagonists in opposing jaw
When does mixed dentition begin? - ..(ANSWER)...Eruption of first permanent
tooth
How many succedaneous teeth are in permanent dentition? - ..(ANSWER)...20
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. -
..(ANSWER)...The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? -
..(ANSWER)...reduced permeability
, 2
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar? - ..(ANSWER)...Distolingual
Which is true regarding the height of contour? - ..(ANSWER)...Greatest elevation
of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an eight yr old
child? - ..(ANSWER)...14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? - ..(ANSWER)...line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? - ..(ANSWER)...IV
Which ridge is a unique characteristic of permanent maxillary molars? -
..(ANSWER)...Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint?
- ..(ANSWER)...Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? - ..(ANSWER)...VII
, 3
Which is the target area for the inferior alveolar nerve block? -
..(ANSWER)...mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? - ..(ANSWER)...Sublingual
Which type of joint is the temporomandibular? - ..(ANSWER)...Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion? - ..(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? - ..(ANSWER)...First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions?
- ..(ANSWER)...Aciduric
Anaerobe bacteria - ..(ANSWER)...grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? - ..(ANSWER)...capsule
Which bacteria grow best in refrigerated conditions? - ..(ANSWER)...Psychrophils
, 4
Endotoxin is a virulence property of - ..(ANSWER)...gram-negative bacteria
When comparing viruses to bacteria, viruses - ..(ANSWER)...enter host cells before
they can multiply
Which is treated with nystatin? - ..(ANSWER)...Candidiasis
Which is detected in the blood within two months after successful immunization
with the hepatitis B vaccine? - ..(ANSWER)...Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in
examination gloves? - ..(ANSWER)...I
Which bacterial genus contains species that cause pneumatic fever, scarlet fever,
and pharyngitis? - ..(ANSWER)...Streptococcus
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - ..(ANSWER)...C. Nizoral
