HESI Dental Hygiene Exam |
Questions And Answers |Latest Exam
2026-2027 | 100%Guaranteed Pass
|Graded A+
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
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
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
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
Which condition warrants antibiotic premedication? -ANSWER Repaired congenital heart
disease
It is noted the medical history the patient has mitral valve prolapse, a stent, pneumatic
heart disease, and a renal dialysis shunt. For which condition does the patient require
antibiotic predication? -ANSWER Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? -ANSWER take medication
four times a day
Which schedule of controlled substance is indicated when a prescription states "NO
REFILLS" -ANSWER schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous oxide? -
ANSWER Cobalamin (vitamin B-12)
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION? -ANSWER Propranolol (adrenergic blocking agent which reduces high
blood pressure)
Which food is a good source of vitamin K? -ANSWER Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in vitamin
c
Which medication is administered to manage an acute asthma attack? -ANSWER
Albuterol
short acting bronchodilator results in an immediate response to an acute asthma attack
Lipitor is a/an -ANSWER statin
(lowers cholesterol levels)
Consuming foods high in retinol will help prevent night blindness because vitamin D
helps absorb calcium. -ANSWER Both the statement and reason are correct but not
related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help
absorb calcium.
Questions And Answers |Latest Exam
2026-2027 | 100%Guaranteed Pass
|Graded A+
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
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
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
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
Which condition warrants antibiotic premedication? -ANSWER Repaired congenital heart
disease
It is noted the medical history the patient has mitral valve prolapse, a stent, pneumatic
heart disease, and a renal dialysis shunt. For which condition does the patient require
antibiotic predication? -ANSWER Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? -ANSWER take medication
four times a day
Which schedule of controlled substance is indicated when a prescription states "NO
REFILLS" -ANSWER schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous oxide? -
ANSWER Cobalamin (vitamin B-12)
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION? -ANSWER Propranolol (adrenergic blocking agent which reduces high
blood pressure)
Which food is a good source of vitamin K? -ANSWER Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in vitamin
c
Which medication is administered to manage an acute asthma attack? -ANSWER
Albuterol
short acting bronchodilator results in an immediate response to an acute asthma attack
Lipitor is a/an -ANSWER statin
(lowers cholesterol levels)
Consuming foods high in retinol will help prevent night blindness because vitamin D
helps absorb calcium. -ANSWER Both the statement and reason are correct but not
related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help
absorb calcium.
