HESI DENTAL HYGIENE
HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY
GRADED A+ 2025
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? -Correct Answers ✔-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 Answers ✔-Ankyloglossia
When is tooth eruption complete? -Correct Answers ✔-Tooth has made contact
with its antagonists in opposing jaw
When does mixed dentition begin? -Correct Answers ✔-Eruption of first
permanent tooth
How many succedaneous teeth are in permanent dentition? -Correct Answers ✔-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
Answers ✔-The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? -Correct Answers ✔-
reduced permeability
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar? -Correct Answers ✔-Distolingual
Which is true regarding the height of contour? -Correct Answers ✔-Greatest
elevation of tooth either incisocervically or occlusocervically
HESI DENTAL HYGIENE
,HESI DENTAL HYGIENE
How many primary and permanent teeth are typically present in an eight yr old
child? -Correct Answers ✔-14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? -Correct Answers ✔-line
angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? -Correct Answers ✔-IV
Which ridge is a unique characteristic of permanent maxillary molars? -Correct
Answers ✔-Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint? -
Correct Answers ✔-Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? -Correct Answers ✔-VII
Which is the target area for the inferior alveolar nerve block? -Correct Answers ✔-
mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? -Correct Answers ✔-Sublingual
Which type of joint is the temporomandibular? -Correct Answers ✔-Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion? -Correct Answers ✔-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 Answers ✔-First statement is true second statement is
false
HESI DENTAL HYGIENE
,HESI DENTAL HYGIENE
Which bacterium is most important in causing the progression of carious lesions? -
Correct Answers ✔-Aciduric
Anaerobe bacteria -Correct Answers ✔-grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? -Correct Answers ✔-
capsule
Which bacteria grow best in refrigerated conditions? -Correct Answers ✔-
Psychrophils
Endotoxin is a virulence property of -Correct Answers ✔-gram-negative bacteria
When comparing viruses to bacteria, viruses -Correct Answers ✔-enter host cells
before they can multiply
Which is treated with nystatin? -Correct Answers ✔-Candidiasis
Which is detected in the blood within two months after successful immunization
with the hepatitis B vaccine? -Correct Answers ✔-Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in
examination gloves? -Correct Answers ✔-I
Which bacterial genus contains species that cause pneumatic fever, scarlet fever,
and pharyngitis? -Correct Answers ✔-Streptococcus
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin -Correct Answers ✔-C. Nizoral
HESI DENTAL HYGIENE
, HESI DENTAL HYGIENE
Which condition warrants antibiotic premedication? -Correct Answers ✔-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? -Correct Answers ✔-Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? -Correct Answers ✔-
take medication four times a day
Which schedule of controlled substance is indicated when a prescription states
"NO REFILLS" -Correct Answers ✔-schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous
oxide? -Correct Answers ✔-Cobalamin (vitamin B-12)
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION? -Correct Answers ✔-Propranolol (adrenergic blocking agent which
reduces high blood pressure)
Which food is a good source of vitamin K? -Correct Answers ✔-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? -Correct
Answers ✔-Albuterol
short acting bronchodilator results in an immediate response to an acute asthma
attack
Lipitor is a/an -Correct Answers ✔-statin
(lowers cholesterol levels)
HESI DENTAL HYGIENE
HESI DENTAL HYGIENE EXAM 2 LATEST VERSIONS
400+ QUESTIONS AND CORRECT ANSWERS|ALREADY
GRADED A+ 2025
Under which classification of gingival diseases and conditions is puberty-
associated gingivitis found? -Correct Answers ✔-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 Answers ✔-Ankyloglossia
When is tooth eruption complete? -Correct Answers ✔-Tooth has made contact
with its antagonists in opposing jaw
When does mixed dentition begin? -Correct Answers ✔-Eruption of first
permanent tooth
How many succedaneous teeth are in permanent dentition? -Correct Answers ✔-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
Answers ✔-The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? -Correct Answers ✔-
reduced permeability
Which groove is the most identifying characteristic of a three-cusp mandibular
second premolar? -Correct Answers ✔-Distolingual
Which is true regarding the height of contour? -Correct Answers ✔-Greatest
elevation of tooth either incisocervically or occlusocervically
HESI DENTAL HYGIENE
,HESI DENTAL HYGIENE
How many primary and permanent teeth are typically present in an eight yr old
child? -Correct Answers ✔-14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? -Correct Answers ✔-line
angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth
including the incised edge or angle? -Correct Answers ✔-IV
Which ridge is a unique characteristic of permanent maxillary molars? -Correct
Answers ✔-Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint? -
Correct Answers ✔-Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial
nerve? -Correct Answers ✔-VII
Which is the target area for the inferior alveolar nerve block? -Correct Answers ✔-
mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? -Correct Answers ✔-Sublingual
Which type of joint is the temporomandibular? -Correct Answers ✔-Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown
of salivary gland secretion? -Correct Answers ✔-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 Answers ✔-First statement is true second statement is
false
HESI DENTAL HYGIENE
,HESI DENTAL HYGIENE
Which bacterium is most important in causing the progression of carious lesions? -
Correct Answers ✔-Aciduric
Anaerobe bacteria -Correct Answers ✔-grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? -Correct Answers ✔-
capsule
Which bacteria grow best in refrigerated conditions? -Correct Answers ✔-
Psychrophils
Endotoxin is a virulence property of -Correct Answers ✔-gram-negative bacteria
When comparing viruses to bacteria, viruses -Correct Answers ✔-enter host cells
before they can multiply
Which is treated with nystatin? -Correct Answers ✔-Candidiasis
Which is detected in the blood within two months after successful immunization
with the hepatitis B vaccine? -Correct Answers ✔-Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in
examination gloves? -Correct Answers ✔-I
Which bacterial genus contains species that cause pneumatic fever, scarlet fever,
and pharyngitis? -Correct Answers ✔-Streptococcus
Each of the following is an antituberculin agent EXCEPT one. Which is the
EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin -Correct Answers ✔-C. Nizoral
HESI DENTAL HYGIENE
, HESI DENTAL HYGIENE
Which condition warrants antibiotic premedication? -Correct Answers ✔-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? -Correct Answers ✔-Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? -Correct Answers ✔-
take medication four times a day
Which schedule of controlled substance is indicated when a prescription states
"NO REFILLS" -Correct Answers ✔-schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous
oxide? -Correct Answers ✔-Cobalamin (vitamin B-12)
Each of the following is a calcium blocking agent EXCEPT one. Which one is the
EXCEPTION? -Correct Answers ✔-Propranolol (adrenergic blocking agent which
reduces high blood pressure)
Which food is a good source of vitamin K? -Correct Answers ✔-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? -Correct
Answers ✔-Albuterol
short acting bronchodilator results in an immediate response to an acute asthma
attack
Lipitor is a/an -Correct Answers ✔-statin
(lowers cholesterol levels)
HESI DENTAL HYGIENE
