HESI Dental Hygiene UPDATED Actual Exam Questions and CORRECT Answers
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Course
HESI Dental Hygiene
Institution
HESI Dental Hygiene
HESI Dental Hygiene UPDATED Actual
Exam Questions and CORRECT Answers
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...
HESI Dental Hygiene UPDATED Actual
Exam Questions and CORRECT Answers
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
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
Which factor makes aging enamel less susceptible to caries? - CORRECT ANSWER✔✔-
reduced permeability
Which groove is the most identifying characteristic of a three-cusp mandibular second
premolar? - CORRECT ANSWER✔✔- Distolingual
Which is true regarding the height of contour? - CORRECT ANSWER✔✔- Greatest
elevation of tooth either incisocervically or occlusocervically
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
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
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
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
When comparing viruses to bacteria, viruses - CORRECT ANSWER✔✔- enter host cells
before they can multiply
Which is treated with nystatin? - CORRECT ANSWER✔✔- Candidiasis
Which is detected in the blood within two months after successful immunization with the
hepatitis B vaccine? - CORRECT ANSWER✔✔- Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in examination
gloves? - CORRECT ANSWER✔✔- I
Which bacterial genus contains species that cause pneumatic fever, scarlet fever, and
pharyngitis? - CORRECT ANSWER✔✔- Streptococcus
Each of the following is an antituberculin agent EXCEPT one. Which is the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
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